Hitachi Review Vol. 49 (2000), No. 1
High-brightness LCD Projector
Kiichi Murayama Kazuhiro Kaizaki Masaharu Deguchi Nobuaki Kabuto
OVERVIEW: Personal computers (PCs) are becoming increasingly common in companies, schools, and other work environments. In meetings, training, education, and presentations, where OHPs (overhead projectors) were once the norm, there is a shift taking place toward the use of PCs with LCD projectors. An analysis of the requirements in LCD projectors shows a demand for (1) brightness, (2) high definition, (3) compactness and light weight, and 4) multiple functions. Hitachi, Ltd. recently completed development of a new, high-brightness, high-definition, multifunction model the CP-X960 which is designed specifically to respond to these diversifying needs. The CP-X960, which was released in September 1999, is a True-XGA* LCD projector that has achieved a brightness of 1,800 ANSI lm through the use of an optimally designed optic lens and a 190-W UHB (ultra high brightness) lamp. This model offers Digital Keystone Correction, P in P, Digital Zoom, Freeze Frame, and Laser Pointer functions, along with a variety of other features that assist the user in creating easy-to-run, high-impact presentations.
INTRODUCTION REQUIREMENTS for LCD projectors tend to center on either video recorder imaging (mainly consumer applications) or PC imaging (mainly business applications). Here, we will discuss the trends in the market for the latter of these two, as well as the highbrightness LCD projector CP-X960 recently developed by Hitachi. TRENDS IN THE LCD PROJECTOR MARKET Recent trends in the global market are illustrated in the graph shown in Fig. 1. LCD projectors are used by companies for meetings, training, and various presentations, and by schools as an educational tool and in seminars, as a tool to project images from a PC screen onto a larger display. Among the characteristics demanded of LCD projectors used to create large images in well-lit locations, the most important is brightness. Part of the reason that production volumes have been expanding steadily is that brightness has increased, which has in turn resulted in an expansion in the number of locations where the projectors can
be used. Even portable units (kg), which last year had a brightness of between 1,000 1,400 lm, now offer a brightness level of 1,600 2,000 lm. Furthermore, because LCD projectors are used to display images from PC screens, trends in PCs have also affected requirements for projectors. Fig. 1 shows that along with the expanding number of production
Units 600 k 500 k 400 k 300 k 200 k SVGA 100 k 0 VGA 7% 1997 VGA 28% k XGA 460 k XGA XGA SXGA 572 k
SVGA 44% under VGA 5 kg 1999 Year
VGA*: video graphics array SVGA: super video graphics array XGA*: extended graphics array SXGA: super extended graphics array
* VGA and XGA are registered trademarks of International Business Machines Corp. of the U.S.
Fig. 1Trends in the Global LCD Projector Market. There has been a steady expansion in production volumes for LCD projectors intended for use with PCs in presentations.
models, the ratio of extended graphic array (XGA) units is also expanding. One can assume that this is related to the shift in specifications from SVGA to XGA in the screens for the notebook PCs to which the LCD projectors are connected. Next, we see that small, lightweight machines have come to account for 44% of these production models. This is most likely related to the desire of users to offer presentations easily while on business trips or while visiting customers, along with the fact that these machines can now offer an effective brightness level of 800 1,000 lm. High-level functions have also developed substantially, as a result of the progress in circuit technology and PC software. The newest LCD projectors offer such features as Digital Keystone Correction, P in P, and digital zoom functions, all of which are intended to create effective, easy-to-run, high-impact presentations, and to improve convenience for users. The main points regarding the user requirements discussed above can be summarized as follows. (1) Brightness levels have increased to 1,600 2,000 lm, even in portable machines. (2) The ratio of high-resolution XGA models has increased rapidly, to around 50%. (3) The ratio of mobile units has also increased; these units now comprise 44% of production models. (4) Progress has been made in the development of convenient multiple functions for presentations. Hitachi has thus developed the CP-X960, a TrueXGA LCD projector that meets user needs for both brightness and multiple functions. SPECIFICATIONS AND CHARACTERISTICS OF THE CP-X960 Fig. 2 shows a product photo of the CP-X960 XGA LCD projector with three 1.3-inch microlenses. The main specifications are shown in Table 1. The following are the most notable characteristics of this model.

(1) High brightness (1,800 ANSI lm)
Fig. 2High-brightness LCD Projector CP-960. High-brightness LCD projectors offer clear imaging even in bright rooms, increasing the effectiveness of presentations.
TABLE 1. Main Specifications of the CP-X960 Achieves a brightness level of 1,800 ANSI lm by adopting a high-efficiency luminous optical system and an F1.7 projection lens.
Item Liquid crystal panel structure Number of pixels Resolution Lens Lamp Brightness Speakers Power supply Power consumption Operating temp. Dimensions (W H D) Weight Specifications 1.3" polysilicon active matrix TFT 3 (with micro-lens) 786,432 pixels (v 768 h 1,024) 1,pixels Power zoom (F=1.72.3) 1:1.3 Power focus 190-W UHB 1,800 ANSI lm 1.2 W + 1.2 W (stereo) AC V/ AC V 300 W 0 35C (32 95F) 345 mm (11.4" 4.7" 13.6") 5.9 kg (13 lbs)
ANSI: American National Standards Institute UHB: ultra-high brightness
(2) Light weight (5.9 kg)
The CP-X960 is easy to carry, and has a smooth, simple design. Hitachi has reduced the total volume (width depth height; not including protrusions) by 64% compared to previous models, and has succeeded in reducing the weight by 25%, to 5.9 kg.
(3) Addition of Multiple Functions Convenient for Presentations
With the CP-X960, Hitachi has achieved a brightness level of 1,800 ANSI lm, an increase of 64% compared to previous models (Hitachi survey). This was accomplished by adopting an LCD panel with microlens; an optical integrator; a low F-value (1.7 F) projection lens; a high-output (190 W), short-arc (1.3 mm), UHB lamp; and a luminous optical system that makes highly efficient use of light through polarized light transformation.
A number of features have been included to allow more varied and more effective presentations. These include: (a) Digital Keystone Correction function (b) P in P (Picture in Picture) function (c) Digital Zoom function
(d) Freeze Frame function (e) Remote control with laser pointer (f) USB connector (g) Plug and Play function A high brightness level of 1,800 ANSI lm has been achieved through the use of an LCD panel with microlens, an F1.7 projection lens, and a highefficiency luminous optical system. Make-up and Characteristics of the Optical System The CP-X960 has achieved a brightness level of 1,800 lm, a 64% increase compared to that of previous models (1100 lm). In order to attain this high level of brightness, Hitachi improved the effective aperture ratio by adopting a microlens for the XGA-compatible LCD panel, and in addition has increased the efficiency of the optical system, including the lamp. Here, we will discuss the make-up and the characteristics of the recently developed optical system. Fig. 3 is a construction diagram of the optical system developed by Hitachi. The system is comprised of the following elements: a lamp (the light source); an illumination system that lights up the LCD panel using the lamps luminous flux; a color separation system that separates the light into three colors: Red, Green, and Blue; an LCD panel with three microlenses; a color synthesis system that creates images on a three-color LCD panel; and a projection lens that projects the image from the LCD panel onto the screen. The following is a description of the characteristics

of this newly developed optical system.
(1) Adoption of an LCD panel with microlenses
By adopting an LCD panel with 1.3-inch XGAlevel image dissection microlenses, Hitachi increased the effective aperture ratio of the LCD panel to approximately 73% from the previous 57%. This, in turn, increased the penetration efficiency of the LCD panel.
(2) Development of a projection lens with a large aperture (low F value)
In order to take full advantage of the effects of the improved effective aperture ratio described above, Hitachi developed a multicoating projection lens with a large F1.7 aperture diameter (for a low F value), thus ensuring the best brightness level available for a portable model.
(3) Adoption of a short-arc, 190-W UHB lamp

F1.7 projection lens

In the case of a luminous optical system comprised of a multi-lens optical integrator and polarized light transformation, in order to obtain more efficient use of light, it is necessary to ensure excellent parallelism from the light source; that is to say, a short arc-length lamp is required. In the past, lamps in the 1.3 mm arc-length class were only available with an output power of roughly W; for the CP-X960, Hitachi has adopted a bright 190-W lamp. A highly effective coolant is also essential for such a high output lamp. In this model, the light source segment is housed within a half-sealed area formed by the reflector and the front glass. This area is designed with a highly effective forced-air cooling system, allowing a lamp that offers both a short arc length and high output power. Multiple Functions Through Improved Circuit Technology and PC Software Here, we will explain two of the features of the CP-X960 XGA LCD projector: the Digital Keystone Correction function, which corrects imaging distortions that arise as a result of Gate projections; and the P in P function, which inserts video images into a PC display.
(1) Digital Keystone Correction function

190-W short-arc lamp

1.3-inch XGA LCD panels
Dichroic mirrors Multilenses Prism beam splitter Focus lens
Fig. 3Newly Developed Optical System. A high brightness level of 1,800 ANSI lm has been achieved through the use of an LCD panel with microlens, an F1.7 projection lens, and a high-efficiency luminous optical system.
Because of space restrictions in the environment where equipment is used, the screen and the projector are at times set up at an angle relative to one another (Gate projection). The frequent result is that the
(a) Image before correction
(b) Image after correction
function, P in P function, and a variety of other features to improve usability and ensure more effective presentations. In the future, as user requirements for brighter, smaller, and higher resolution LCD projectors increase, Hitachi will continue its efforts to develop the technologies required to offer newer and better models that meet these needs.

Fig. 4Effects of the Trapezoidal Distortion Correction Function. Trapezoidal distortion of images resulting from projection angle (a) is corrected by the trapezoidal distortion correction function (b).

REFERENCE

(1) S. Obuchi, et al, Ultra Portable LC Projector with HighBrightness Optical System; ICCE, Digest of Technical Papers, pp. 132-133 (June 1999).
projected image is distorted into a trapezoidal form. The CP-X960 is able to create a clean, undistorted image, through highly precise application of a Hiresizing circuit. In this way, the distorted image signal that has been input is reverse-corrected before being brought up on the LCD panel (see Fig. 4). This function corrects the trapezoidal distortion of images resulting from the projection angle.
(2) P in P function ABOUT THE AUTHORS

Kiichi Murayama

Joined Hitachi, Ltd. in 1972, and now works at the Digital Media Systems Division of the Digital Media. He is currently engaged in planning for the CP-X960 projector. Mr. Murayama can be reached by e-mail at kmurayam@cm.yokohama.hitachi.co.jp.
This function makes it possible to insert a videoinput screen into a PC-generated image in the form of a mini-window. The user can choose from two sizes for the miniwindow; pixels, or pixels. The mini-window can be placed in any of the four corners of the main screen. This function can be used in many ways, to create effective presentations by adding elements that would have been impossible using still displays. Aside from applications in video conferencing, the mini-window can be used to show the presenters face or to show supplementary materials through video images. In addition, the CP-X960 offers remote control mouse operation using USB connections (a feature that has gained popularity as a terminal connection for notebook PC accessories) and additional Japanese menus, along with a range of other features intended to improve ease of use. CONCLUSIONS Here, we have provided an outline of the main features of the CP-X960, an XGA-compatible, highbrightness, portable LCD projector. The CP-X960 offers an excellent brightness level of 1,800 ANSI lm, the light weight of 5.9 kg, Digital Keystone Correction

Kazuhiro Kaizaki

Joined Hitachi, Ltd. in 1983, and now works at the Digital Media Systems Division of the Digital Media. He is currently engaged in circuit design for the CPX960 projector. Mr. Kaizaki can be reached by email at k kai@cm.yokohama.hitachi.co.jp.

Masaharu Deguchi

Joined Hitachi, Ltd. in 1985, and now works at the Digital Media Systems Division of the Digital Media. He is currently engaged in optical systems design for the CP-X960 projector. Mr. Deguchi is a member of the Institute of Image Information and Television Engineers, and can be reached by e-mail at deguchi@cm.yokohama.hitachi.co.jp.

Nobuaki Kabuto

Joined Hitachi, Ltd. in 1980, and now works at the Digital Media Systems R&D Division of the Digital Media. He is currently engaged in display systems development. Mr. Kabuto is a member of the Institute of Image Information and Television Engineers, and can be reached by e-mail at kabuto@msrd.hitachi.co.jp.

Projector

CP-A100
User's Manual (detailed) Technical

Example of PC signal

Resolution (H x V) H. frequency (kHz) V. frequency (Hz) 720 x x x x x x x x x x x x x x x x x x x x x x x 1050 37.9 31.5 37.9 37.5 43.3 35.2 37.9 48.1 46.9 53.7 49.7 48.4 56.5 60.0 68.7 67.5 60.0 64.0 80.0 91.1 75.0 47.7 65.2 85.0 59.9 72.8 75.0 85.0 56.3 60.3 72.2 75.0 85.1 74.5 60.0 70.1 75.0 85.0 75.0 60.0 60.0 75.0 85.0 60.0 60.0 60.0 Rating VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA Signal mode TEXT VGA (60Hz) VGA (72Hz) VGA (75Hz) VGA (85Hz) SVGA (56Hz) SVGA (60Hz) SVGA (72Hz) SVGA (75Hz) SVGA (85Hz) Mac 16 mode XGA (60Hz) XGA (70Hz) XGA (75Hz) XGA (85Hz) 1152 x 864 (75Hz) 1280 x 960 (60Hz) SXGA (60Hz) SXGA (75Hz) SXGA (85Hz) UXGA (60Hz) W-XGA (60Hz) SXGA+ (60Hz)
NOTE Be sure to check jack type, signal level, timing and resolution before connecting this projector to a PC. Some PCs may have multiple display screen modes. Use of some of these modes will not be possible with this projector. Depending on the input signal, full-size display may not be possible in some cases. Refer to the number of display pixels above. Although the projector can display signals with resolution up to UXGA (1600x1200), the signal will be converted to the projectors panel resolution before being displayed. The best display performance will be achieved if the resolutions of the input signal and projector panel are identical. Automatic adjustment may not function correctly with some input signals. The image may not be displayed correctly when the input sync signal is a composite sync or a sync on G.

Initial set signals

The following signals are used for the initial settings. The signal timing of some PC models may be different. In such case, adjust the items V POSITION and H POSITION in IMAGE Menu.
Back porch (B) Front porch (D) Back porch (b) Data V. Sync. Sync (a) Vertical signal timing (lines) computer Signal (a) (b) (c) (d) TEXT VGA (60Hz) VGA (72Hz) VGA (75Hz) VGA (85Hz) SVGA (56Hz) SVGA (60Hz) SVGA (72Hz) SVGA (75Hz) SVGA (85Hz) Mac 16" mode XGA (60Hz) XGA (70Hz) XGA (75Hz) XGA (85Hz) 1152 x 1 (75Hz) 1280 x 1 (60Hz) SXGA(60Hz) SXGA (75Hz) SXGA (85Hz) UXGA (60Hz) W-XGA (60Hz) SXGA+ (60Hz) Front porch (d)

Data H. Sync. Sync (A)

Active video (C)

Active video (c)

Horizontal signal timing (s) computer Signal (A) (B) (C) (D) TEXT 2.0 3.0 20.3 1.0 VGA (60Hz) 3.8 1.9 25.4 0.6 VGA (72Hz) 1.3 4.1 20.3 0.8 VGA (75Hz) 2.0 3.8 20.3 0.5 VGA (85Hz) 1.6 2.2 17.8 1.6 SVGA (56Hz) 2.0 3.6 22.2 0.7 SVGA (60Hz) 3.2 2.2 20.0 1.0 SVGA (72Hz) 2.4 1.3 16.0 1.1 SVGA (75Hz) 1.6 3.2 16.2 0.3 SVGA (85Hz) 1.1 2.7 14.2 0.6 3.9 14.5 0.6 Mac 16" mode 1.1 XGA (60Hz) 2.1 2.5 15.8 0.4 XGA (70Hz) 1.8 1.9 13.7 0.3 XGA (75Hz) 1.2 2.2 13.0 0.2 XGA (85Hz) 1.0 2.2 10.8 0.x 864 1.2 2.4 10.7 0.6 (75Hz) 1280 x 960 1.0 2.9 11.9 0.9 (60Hz) SXGA (60Hz) 1.0 2.3 11.9 0.4 SXGA (75Hz) 1.1 1.8 9.5 0.1 SXGA (85Hz) 1.0 1.4 8.1 0.4 UXGA (60Hz) 1.2 1.9 9.9 0.4 W-XGA (60Hz) 1.7 2.5 16.0 0.8 SXGA+ (60Hz) 1.2 2.0 11.4 0.7

Connection to the ports

C B A D

MONITOR OUT

COMPUTER IN2

COMPUTER IN1 1

CONTROL
USB Y VIDEO CB/PB CR/PR L R AUDIO IN3

S-VIDEO 2 AUDIO IN

AUDIO OUT
A COMPUTER IN1, B COMPUTER IN2, C MONITOR OUT D-sub 15pin mini shrink jack ideo signal: RGB separate, Analog, 0.7Vp-p, 75 V terminated (positive) H/V. sync. signal: TTL level (positive/negative) Composite sync. signal: TTL level Pin
9 Video Red Video Green Video Blue (No connection) Ground Ground Red Ground Green Ground Blue (No connection)

Signal

Ground (No connection) A : SDA (DDC data) B , C : (No connection) H. sync / Composite sync. V. sync. A : SCL (DDC clock) B , C : (No connection) -

D LAN RJ-45 jack

1 TX + 2 TX 3 RX +

6 RX -

Connection to the ports (continued)

E MONITOR OUT

F COMPUTER IN2G

COMPUTER IN1 H

S-VIDEO

Y VIDEO

CB/PB CR/PR L R AUDIO IN3

2 AUDIO IN

E Y, F CB/PB, G CR/PR (component video) RCA jack x3 System: 525i(480i), 525p(480p), 625i(576i), 750p(720p),1125i(1080i) Port Y Signal Component video Y, 1.00.1Vp-p, 75 terminator with composite sync

CB/PB Component video CB/PB, 0.70.1Vp-p, 75 terminator CR/PR Component video CR/PR, 0.70.1Vp-p, 75 terminator H S-VIDEO Mini DIN 4pin jack Pin 3 4
Signal Color signal 0.286Vp-p (NTSC, burst), 75 terminator Color signal 0.300Vp-p (PAL/SECAM, burst) 75 terminator Brightness signal, 1.0Vp-p, 75 terminator Ground Ground
I VIDEO RCA jack System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43 1.00.1Vp-p, 75 terminator

COMPUTERJ IN1

2 AUDIO INK
J AUDIO IN1, K AUDIO IN2 3.5 stereo mini jack 200 mVrms 47k terminator

AUDIO IN3 L L, M R

RCA jack xmVrms 47k terminator

N AUDIO

3.5 stereo mini jack 200 mVrms 1k output impedance
To input SCART RGB signal;

SCART connector (jack)

AUDIO IN3

SCART cable (plug)

RCA plugs
To input SCART RGB signal to the projector, use a SCART to RCA cable. Connect the plugs refer to above ex. For more reference, please consult your dealer.
O USB USB B type jack Pin Signal
1 +5V 2 - Data 3 + Data 4 Ground P CONTROL
D-sub 9pin plug About the details of RS-232C communication, please refer to the following page. Pin 3 RD TD Signal (No connection) Pin 6 Signal (No connection) Ground (No connection)

Pin 9 RTS CTS

(No connection)

RS-232C Communication

CONTROL port RS-232C cable (cross) of the projector - (1) (1) CD
RD (2) TD (3) - (4) GND (5) - (6) RTS (7) CTS (8) - (9)
RS-232C port of the computer
(2) RD (3) TD (4) DTR (5) GND (6) DSR (7) RTS (8) DTS (9) RI

Connecting the cable

1. Turn off the projector and the computer. of the projector with a 2. Connect the CONTROL port cable (cross). Use the RS-232C port of the the computer by a RS-232C cable that fulfills
specification shown in the previous page. Turn the computer on, and after the computer has started up turn the projector on.

Communications setting

19200bps, 8N1 1. Protocol Consist of header (7 bytes) + command data (6 bytes) 2. Header BE + EF + 03 + 06 + 00 + CRC_low + CRC_high CRC_low: Lower byte of CRC flag for command data CRC_high: Upper byte of CRC flag for command data 3. Command data Command data chart
byte_0 byte_1 byte_2 byte_3 byte_4 byte_5 Action Type Setting code low high low high low high Action (byte_0 - 1) Action Classification Content 1 Set Change setting to desired value. 2 Get Read projector internal setup value. 4 Increment Increment setup value by 1. 5 Decrement Decrement setup value by 1. 6 Execute Run a command.

RS-232C Communication (continued)
Requesting projector status (Get command) (1)Send the following request code from the PC to the projector. Header + Command data (02H + 00H + type (2 bytes) + 00H + 00H) (2)The projector returns the response code 1DH + data (2 bytes) to the PC. Changing the projector settings (Set command) (1)Send the following setting code from the PC to the projector. eader + Command data (01H + 00H + type (2 bytes) + setting code (2 bytes)) H (2)The projector changes the setting based on the above setting code. (3)The projector returns the response code 06H to the PC. Using the projector default settings (Reset Command) (1)The PC sends the following default setting code to the projector. Header + Command data (06H + 00H + type (2 bytes) + 00H + 00H) (2)The projector changes the specified setting to the default value. (3)The projector returns the response code 06H to the PC. Increasing the projector setting value (Increment command) (1)The PC sends the following increment code to the projector. Header + Command data (04H + 00H + type (2 bytes) + 00H + 00H) (2)The projector increases the setting value on the above setting code. (3)The projector returns the response code 06H to the PC. Decreasing the projector setting value (Decrement command) (1)The PC sends the following decrement code to the projector. Header + Command data (05H + 00H + type (2 bytes) + 00H + 00H) (2) The projector decreases the setting value on the above setting code. (3) The projector returns the response code 06H to the PC. When the projector cannot understand the received command When the projector cannot understand the received command, the error code 15H is sent back to the PC. Sometimes the projector cannot properly receive the command. In such a case, the command is not executed and the error code 15H is sent back to the PC. If this error code is returned, send the same command again. When the projector cannot execute the received command. When the projector cannot execute the received command, the error code 1CH + xxxxH is sent back to the PC. When the data length is greater than indicated by the data length code, the projector ignore the excess data code. Conversely when the data length is shorter than indicated by the data length code, an error code will be returned to the PC.
NOTE Operation cannot be guaranteed when the projector receives an undefined command or data. Provide an interval of at least 40ms between the response code and any other code. The projector outputs test data when the power supply is switched ON, and when the lamp is lit. Ignore this data. Commands are not accepted during warm-up.
Command Control via the Network
Communication Port The following two ports are assigned for the command control. TCP #23 TCP #9715 Command Control Settings Configure the following items form a web browser when command control is used.
Port Settings Port open Netowrk Control Port1 (Port: 23) Click the [Enable] check box to open [Network Control Port1 (Port: 23)] to use TCP #23. Default setting is Enable. Click the [Enable] check box for the [Authentication] setting when authentication is required. Default setting is Disable. Click the [Enable] check box to open [Network Control Port2 (Port: 9715)] to use TCP #9715. Default setting is Enable. Click the [Enable] check box for the [Authentication] setting when authentication is required. Default setting is Enable.

Authentication

Port open Network Control Port2 (Port: 9715) Authentication
When the authentication setting is enabled, the following settings are required.
Security Settings Authentication Password Network Control Re-enter Authentication Password Enter the desired authentication password. This setting will be the same for [Network Control Port1 (Port: 23)] and [Network Control Port2 (Port: 9715)]. Default setting is blank.
Command Control via the Network (continued)

Command Format [TCP #23]

1. Protocol Consist of header (7 bytes) + command data (6 bytes) 2. Header BE + EF + 03 + 06 + 00 + CRC_low + CRC_high CRC_low: Lower byte of CRC flag for command data CRC_high: Upper byte of CRC flag for command data 3. Command data Command data chart
Requesting projector status (Get command) (1)Send the following request code from the PC to the projector. Header + Command data (02H + 00H + type (2 bytes) + 00H + 00H) (2)The projector returns the response code 1DH + data (2 bytes) to the PC. Changing the projector settings (Set command) (1)Send the following setting code from the PC to the projector. eader + Command data (01H + 00H + type (2 bytes) + setting code (2 bytes)) H (2)The projector changes the setting based on the above setting code. (3)The projector returns the response code 06H to the PC. Using the projector default settings (Reset Command) (1)The PC sends the following default setting code to the projector. Header + Command data (06H + 00H + type (2 bytes) + 00H + 00H) (2)The projector changes the specified setting to the default value. (3)The projector returns the response code 06H to the PC. Increasing the projector setting value (Increment command) (1)The PC sends the following increment code to the projector. Header + Command data (04H + 00H + type (2 bytes) + 00H + 00H) (2)The projector increases the setting value on the above setting code. (3)The projector returns the response code 06H to the PC.
Decreasing the projector setting value (Decrement command) (1)The PC sends the following decrement code to the projector. Header + Command data (05H + 00H + type (2 bytes) + 00H + 00H) (2) The projector decreases the setting value on the above setting code. (3) The projector returns the response code 06H to the PC. When the projector cannot understand the received command When the projector cannot understand the received command, the error code 15H is sent back to the PC. Sometimes the projector cannot properly receive the command. In such a case, the command is not executed and the error code 15H is sent back to the PC. If this error code is returned, send the same command again. When the projector cannot execute the received command. When the projector cannot execute the received command, the error code 1CH + xxxxH is sent back to the PC. When the data length is greater than indicated by the data length code, the projector ignore the excess data code. Conversely when the data length is shorter than indicated by the data length code, an error code will be returned to the PC. When authentication error occurred. When authentication errorr occurred, the error code the 1FH + 0400H is sent back to the PC.

NOTE Operation cannot be guaranteed when the projector receives an undefined command or data. Provide an interval of at least 40ms between the response code and any other code. Commands are not accepted during warm-up.
1. Protocol Consist of header (1 byte) + data length (1 byte) + command data (13 bytes) + check sum (1 bytes) + connection ID (1 byte). 2. Header 02, Fixed 3. Data Length Network control commands byte length (0D, Fixed) 4. Command data Network control commands that start with BE EF (13bytes). 5. Check Sum This is the value to make zero on the addition of the lower 8 bits from the header to the checksum. 6. Connection ID Random value from 0 to 255 (This value is attached to the reply data).

[TCP #9715]

7. Reply Data The connection ID (the data is same as the connection ID data on the sending data format) is attached to the Network control commands reply data. ACK reply: 06H + xxH NAK reply: 15H + xxH Error reply: 1CH + xxxxH + xxH Data reply: 1DH + xxxxH + xxH Projector busy reply: 1FH + xxxxH + xxH Authentication error reply: 1FH + 0400H + xxH (xxH : connection ID)
Automatic Connection Break
The TCP connection will be automatically disconnected after there is no communication for 30 seconds after being established.
The projector does not accept commands without authentication success when authentication is enabled. The projector uses a challenge response type authentication with an MD5 (Message Digest 5) algorithm. When the projector is using a LAN, a random 8 bytes will be returned if authentication is enabled. Bind this received 8 bytes and the authentication password and digest this data with the MD5 algorithm and add this in front of the commands to send. Following is a sample if the authentication password is set to password and the random 8 bytes are a572f60c. 1) Select the projector. 2) Receive the random 8 bytes a572f60c from the projector. 3) ind the random 8 bytes a572f60c and the authentication password B password and it becomes a572f60cpassword. 4) igest this bind a572f60cpassword with MD5 algorithm. D It will be e3d97429adffa11bce1f7275813d4bde. 5) dd this e3d97429adffa11bce1f7275813d4bde in front of the commands and A send the data. Send e3d97429adffa11bce1f7275813d4bde+command. 6) hen the sending data is correct, the command will be performed and the W reply data will be returned. Otherwise, an authentication error will be returned.

NOTE As for the transmission of the second or subsequent commands, the authentication data can be omitted when the same connection.
RS-232C communication / Network command table

Names Power

Operation Type
Turn off Turn on Get BE EF BE EF BE EF

Header

Command Data
CRC Action Type Setting Code

2A D3 BA DD3

[Cool down]

[Example return] [Off]

Input Source

Error Status

COMPUTER1 COMPUTER2 COMPONENT S-VIDEO VIDEO Get Get
BE EF BE EF BE EF BE EF BE EF BE EF BE EF
FE D2 3E D0 AE D1 9E D3 6E D3 CD D2 D9 D8
[Fan error] [Lamp time error]
[Example return] [Normal] [Cover error] [Temp error] [Air flow error] 0C 0000 [Filter error] ( F[Lens door error]ilter
[Lamp error] [Cold error]

BRIGHTNESS

BRIGHTNESS Reset CONTRAST
Get Increment Decrement Execute Get Increment Decrement Execute Set NORMAL CINEMA DYNAMIC BOARD(BLACK) BOARD(GREEN) WHITEBOARD DAYTIME Get
BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF
89 D2 EF D2 3E DD3 FD D3 9B D3 4A D2 A4 DF6 B3 F7 E3 F4 E3 EF 73 EE 83 EE E3 CF6
BA 30 BA 30 BA 30 BA 30 BA 30 BA 30 BA 30 BA 30
CONTRAST Reset PICTURE MODE
[Example return] [NORMAL] [CINEMA] [DYNAMIC] [CUSTOM] [BOARD(BLACK) ] [BOARD(GREEN) [WHITEBOARD] [DAY TIME] ]
#1 DEFAULT #1 CUSTOM #2 DEFAULT #2 CUSTOM #3 DEFAULT #3 CUSTOM #4 DEFAULT #4 CUSTOM #5 DEFAULT #5 CUSTOM #6 DEFAULT #6 CUSTOM Get
BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF
07 EFD 97 EFC 67 EFC F7 E9 F7 FD C7 EB C7 FF 57 EA 57 FE F4 F0

AAAAAAAAAAAAA1 30

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RS-232C communication / Network command table (continued)
Names User Gamma Pattern Set Operation Type Off 9 steps gray scale 15 steps gray scale Ramp Get Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement HIGH CUSTOM-1 (HIGH) MID CUSTOM-2 (MID) LOW CUSTOM-3 (LOW) Hi-BRIGHT-1 CUSTOM-4 (Hi-BRIGHT-1) Hi-BRIGHT-2 CUSTOM-5 (Hi-BRIGHT-2) Hi-BRIGHT-3 CUSTOM-6 (Hi-BRIGHT-3) Get Get Increment Decrement Get Increment Decrement BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF Header CRC FB FA 6B FB 9B FB 0B FA C8 FA 08 FE 6E FE BF FF F4 FF 92 FF 43 FE B0 FF D6 FF 07 FE 4C FE 2A FE FB FF 38 FF 5E FF 8F FE C4 FE A2 FE 73 FF 80 FE E6 FE 37 FF 7C FF 1A FF CB FE 0B F5 CB F8 9B F4 5B F9 6B F4 AB F9 3B F2 FB FF AB F3 6B FE 5B F3 9B FE C8 FF F F F F4 C7 F5 Action Command Data Type Setting Code BBBBBBBBBBBBBBBBBBB0A 00 1A 00

User Gamma Point 1

User Gamma Point 2

User Gamma Point 3

User Gamma Point 4

User Gamma Point 5

User Gamma Point 6

User Gamma Point 7

User Gamma Point 8

COLOR TEMP

COLOR TEMP GAIN R

COLOR TEMP GAIN G

14 (continued on next page)
Names COLOR TEMP GAIN B Operation Type Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement Execute Get Increment Decrement Execute Get Increment Decrement Execute TURN OFF TV FILM Get LOW MID HIGH Get 4:3 16:9 14:9 NORMAL Get BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF Header 00 CRC 8C F5 EA F5 3B FFF5 B3 FFF5 F7 F4 BC F4 DA F4 0B F5 BD80 D73 2F 73 FE 72 7C D1 FC4 D0 0E D7 9E D6 6E D6 FE D7 F2 DDDD6 4A 72 DA 73 2A 72 D9E D0 0E D1 CE D6 5E DD AD D0 Action Command Data Type Setting Code BBBBBBBBBBBB0A 22 0B 00
COLOR TEMP OFFSET R COLOR TEMP OFFSET G COLOR TEMP OFFSET B COLOR

COLOR Reset TINT

TINT Reset SHARPNESS
SHARPNESS Reset MY MEMORY Load

MY MEMORY Save

PROGRESSIVE

VIDEO NR

ASPECT
(continued on next page) 15
Names OVER SCAN Operation Type Get Increment Decrement Execute Get Increment Decrement Execute Get Increment Decrement Execute Get Increment Decrement Get Increment Decrement Execute Execute AUTO RGB SMPTE240 REC709 REC601 Get COMPONENT SCART RGB Get AUTO NTSC PAL SECAM NTSC4.43 M-PAL N-PAL Get AUTO NTSC PAL SECAM NTSC4.43 M-PAL N-PAL Get BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF Header 00 CRC FEC D9 0D 83 6B 83 BA 82 E0 D2 F1C D83 2F 83 FE 82 BD68 DD0 0E 72 9E 73 6E 73 FE 72 CE 70 3D 72 4A D7 DA DD7 ACCEAction Command Data Type Setting Code 0A 00 0A 00 0A 00

OVER SCAN Reset V POSITION
V POSITION Reset H POSITION

H POSITION Reset H PHASE

H SIZE
H SIZE Reset AUTO ADJUST COLOR SPACE

COMPONENT

C-VIDEO FORMAT

S-VIDEO FORMAT

(continued on next page)
Names FRAME LOCK COMPUTER1 FRAME LOCK COMPUTER2 COMPUTER IN1 Set Operation Type TURN OFF TURN ON Get TURN OFF TURN ON Get SYNC ON G ON SYNC ON G OFF Get SYNC ON G ON SYNC ON G OFF Get Get Increment Decrement Execute Get Increment Decrement Execute Get Increment Decrement Execute Get Increment Decrement Execute NORMAL WHISPER Get NORMAL H:INVERT V:INVERT H&V:INVERT Get Get Increment Decrement Get Increment Decrement Get Increment Decrement Get Increment Decrement BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF Header CRC 3B C2 AB CC2 0B C3 9B CC3 CE D6 5E D7 0D DD7 A2 D6 F1 D7 D0 D0 B6 DDC9 2C D1 4A D1 9B D0 A8 CD0 3E D0 EF DC9 B9 D3 DF D3 0E DD0 3B 23 AB 23 C7 DD3 A7 DD2 F4 D2 CD CC AB CC 7A CD FD CD 9B CD 4A CC 01 CC 67 CC B6 CD 75 CD 13 CD C2 CC Action Command Data Type Setting Code 0A 30 0A 30 0A 70 0B 30 0B 30 0B 70 0C 30 0C 30 0C 20 0C 00

D-ZOOM

D-ZOOM Reset D-SHIFT V
D-SHIFT V Reset D-SHIFT H
D-SHIFT H Reset KEYSTONE V

KEYSTONE V Reset WHISPER

MIRROR
VOLUMECOMPUTER1 VOLUMECOMPUTER2 VOLUMECOMPONENT VOLUME-S-VIDEO
Names VOLUME-VIDEO Operation Type Get Increment Decrement TURN OFF TURN ON Get TURN ON TURN OFF Get AUDIO1 AUDIO2 AUDIO3 Turn off Get AUDIO1 AUDIO2 AUDIO3 Turn off Get AUDIO1 AUDIO2 AUDIO3 Turn off Get AUDIO1 AUDIO2 AUDIO3 Turn off Get AUDIO1 AUDIO2 AUDIO3 Turn off Get Off On Get Off On Get Off On Get Off On Get BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF Header CRC 31 CD 57 CD 86 CC 46 D3 D6 DD3 FE D4 6E D5 5D D5 6E DC 9E DC 0E DD FE DD CD DD 5E DD AE DD 3E DC CE DC FD DC A2 DC 52 DC C2 DD 32 DD 01 DD D6 DD 26 DD B6 DC 46 DC 75 DC 92 DD 62 DD F2 DC 02 DC 31 DC FF 32 6F 33 CC 33 DFF 3D 6F 3C CC 3D 03 3C 93 3D 30 3C Action Command Data Type Setting Code 1C 20 1C 20 1C 00

SPEAKER

AUDIO-COMPUTER1

AUDIO-COMPUTER2

AUDIO-COMPONENT Set

AUDIO-S-VIDEO

AUDIO-VIDEO
REMOTE RECEIVE. FRONT REMOTE RECEIVE. TOP REMOTE FREQ. NORMAL REMOTE FREQ. HIGH
(continued on next page) 18
Names LANGUAGE Set Operation Type ENGLISH FRANAIS DEUTSCH ESPAOL ITALIANO NORSK NEDERLANDS PORTUGUS BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF Header 00 CRC F7 DDDDD1 A7 DD0 C7 DD4 A7 DDE 57 D5 C7 D4 F7 DDDD6 C4 DDD7 B3 D6 DC CDD7 F7 D6 A8 C7 FB CA FB E2 CB D3 6B D0 9B DD3 FB D8 6B D9 C8 D8 CB CB 0B D2 9B DD2 Action Command Data Type Setting Code 0A 00 0B 00 0C 00 0D 00 0E 00 0F 00

MENU POSITION H

MENU POSITION H Reset MENU POSITION V
MENU POSITION V Reset BLANK Set

BLANK On/Off

START UP
SVENSKA PCCK SUOMI POLSKI TRKE Get Get Increment Decrement Execute Get Increment Decrement Execute MyScreen ORIGINAL BLUE WHITE BLACK Get TURN OFF TURN ON Get MyScreen ORIGINAL TURN OFF Get
Names MyScreen LOCK Set Operation Type TURN OFF TURN ON Get Set TURN OFF TURN ON Get Set TURN OFF TURN ON Get Set TURN OFF TURN ON Get Get Increment Decrement Get Execute Get Execute COMPUTER1 COMPUTER2 COMPONENT S-VIDEO VIDEO INFORMATION MY MEMORY PICTURE MODE FILTER RESET e-SHOT VOLUME + VOLUME AV MUTE Get BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF Header 00 CRC 3B EF AB EE 08 EF 8F D6 1F D7 BC D6 B6 DDD6 3B 89 AB 86 6E 86 BF 87 C2 FF 58 DC C2 FC6 3A 33 FA 31 6A 30 5A 32 AA 32 FA 3E 9A 3F 0A 3E 3A 3C 5A 3D CA 3C 3A 39 AA 33 Action Command Data Type Setting Code CCCA00 00

MESSAGE

AUTO SEARCH

AUTO ON

AUTO OFF

LAMP TIME LAMP TIME Reset FILTER TIME FILER TIME Reset MY BUTTON-1

MY BUTTON-2

COMPUTER1 COMPUTER2 COMPONENT S-VIDEO VIDEO INFORMATION MY MEMORY PICTURE MODE FILTER RESET e-SHOT VOLUME + VOLUME AV MUTE Get Get Increment Decrement NORMAL FREEZE Get OFF IMAGE1 IMAGE2 IMAGE3 IMAGE4 Get Execute Execute Execute Execute TURN OFF TURN ON AUTO Get CAPTIONS TEXT Get Get BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF BE EF
CA06 3F 66 3E F6 3F C6 3D A6 3C 36 3D CF7C D2 1A D2 CB DDD3 B0 D2 3A C3 AA C2 5A C2 CA C3 FA CCCC3 C9 C2 BD C3 FA 62 6A 63 9A 63 CDB71 63

Action

Command Data Type Setting Code

MAGNIFY

FREEZE

e-SHOT

e-SHOT IMAGE1 Delete e-SHOT IMAGE2 Delete e-SHOT IMAGE3 Delete e-SHOT IMAGE4 Delete CLOSED CAPTION Set DISPLAY
CLOSED CAPTION MODE CLOSED CAPTION CHANNEL