Operation Manual

High power CD player with FM/AM tuner

English

DEH-1550 DEH-1550B

Espaol Portugus (B)

Contents
Thank you for buying this Pioneer product.
Please read through these operating instructions so you will know how to operate your model properly. After you have finished reading the instructions, put them away in a safe place for future reference.
Before You Start About this manual 3 Precautions 3 Protecting your unit from theft 3 Removing the front panel 3 Attaching the front panel 3 Whats What Head unit 4 Power ON/OFF Turning the unit on 5 Selecting a source 5 Turning the unit off 5 Tuner Listening to the radio 6 Storing and recalling broadcast frequencies 6 Tuning in strong signals 7 Storing the strongest broadcast frequencies 7 Built-in CD Player Playing a CD 8 Playing tracks in a random order 8 Repeating play 8 Pausing CD playback 9 Audio Adjustments Introduction of audio adjustments 10 Using balance adjustment 10 Using the equalizer 10 Recalling equalizer curves 10 Adjusting equalizer curves 11 Fine adjusting equalizer curve 11 Adjusting loudness 12 Front image enhancer (F.I.E.) 12 Adjusting source levels 12 Initial Settings Adjusting initial settings 14 Setting the clock 14 Setting the FM tuning step 14 Setting the AM tuning step 14 Additional Information Understanding built-in CD player error messages 15 Turning the clock display on or off 15 CD player and care 15 CD-R/CD-RW discs 16 Specifications 17
HHHHHHHHHHHHHH Before You Start

Section

About this manual
This unit features a number of sophisticated functions ensuring superior reception and operation. All the functions have been designed for the easiest possible use, but many are not self-explanatory. This operation manual will help you benefit fully from this products potential and to maximize your listening enjoyment. We recommend that you familiarize yourself with the functions and their operation by reading through the manual before you begin using this unit. It is especially important that you read and observe precautions on this page and in other sections.
Protecting your unit from theft
The front panel can be detached from the head unit and stored in the protective case provided to discourage theft.
Important ! Never use force or grip the display and the buttons tightly when removing or attaching. ! Avoid subjecting the front panel to excessive shocks. ! Keep the front panel out of direct sunlight and high temperatures.

Removing the front panel

Precautions
CAUTION: USE OF CONTROL OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. CAUTION: THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT WILL INCREASE EYE HAZARD.
1 Press DETACH to release the front panel. Press DETACH and the right side of the panel is released from the head unit. 2 Grab the front panel and remove. Grab the right side of the front panel and pull away to the left. The front panel will be detached from the head unit.
! Keep this manual handy as a reference for operating procedures and precautions. ! Always keep the volume low enough so you can hear sounds outside of the car. ! Protect this product from moisture. ! If the battery is disconnected or discharged, the preset memory will be erased and must be reprogrammed. ! If this unit does not operate properly, contact your dealer or nearest authorized Pioneer Service Station.
3 Put the front panel into the protective case provided for safe keeping.
Attaching the front panel
1 Place the front panel flat against the head unit. 2 Press the front panel into the face of the head unit until it is firmly seated.
HHHHHHHHHHHHHH Whats What

Head unit

1 CLOCK button Press to change to the clock display. 2 EJECT button You can eject a CD by pressing EJECT. 3 AUDIO button Press to select various sound quality controls. 4 a/b/c/d buttons Press to do manual seek tuning, fast forward, reverse and track search controls. Also used for controlling functions. 5 DETACH button Press DETACH to release the front panel. 6 BAND button Press to select among three FM and one AM bands and cancel the control mode of functions. 7 LOUDNESS button Press to turn loudness on or off.
8 LOCAL/BSM button Press to turn local function on or off. Press and hold to turn BSM function on or off. buttons Press for preset tuning. a SOURCE button This unit is turned on by selecting a source. Press to cycle through all of the available sources. b VOLUME Press to increase or decrease the volume. c EQ button Press to select various equalizer curves.

HHHHHHHHHHHHHH Power ON/OFF

Turning the unit on

% Press SOURCE to turn the unit on. When you select a source the unit is turned on.

Selecting a source

You can select a source you want to listen to. To switch to the built-in CD player, load a disc in this unit (refer to page 8). % Press SOURCE to select a source. Press SOURCE repeatedly to switch between the following sources: Built-in CD playerTuner
Notes ! When no disc has been set in the unit, the source will not switch to the built-in CD player. ! When this units blue/white lead is connected to the cars auto-antenna relay control terminal, the cars antenna extends when this units source is turned on. To retract the antenna, turn the source off.

Turning the unit off

% Press SOURCE and hold until the unit turns off.

HHHHHHHHHHHHHH Tuner

Listening to the radio

Important

# You can cancel seek tuning by pressing either c or d with a quick press. # If you press and hold c or d you can skip broadcasting stations. Seek tuning starts as soon as you release the buttons. Note When the frequency selected is being broadcast in stereo the stereo (5) indicator will light.
5 To perform seek tuning, press and hold c or d for about one second and release. The tuner will scan the frequencies until a broadcast strong enough for good reception is found.
If you are using this unit in North, Central or South America, reset the AM tuning step (see Setting the AM tuning step on page 14).
1 Band indicator Shows which band the radio is tuned to, AM or FM. 2 Frequency indicator Shows to which frequency the tuner is tuned. 3 Stereo (5) indicator Shows that the frequency selected is being broadcast in stereo. 4 Preset number indicator Shows what preset has been selected. 1 Press SOURCE to select the tuner.
Storing and recalling broadcast frequencies
If you press any of the preset tuning buttons 16 you can easily store up to six broadcast frequencies for later recall with the touch of a button. % When you find a frequency that you want to store in memory press a preset tuning button 16 and hold until the preset number stops flashing. The number you have pressed will flash in the preset number indicator and then remain lit. The selected radio station frequency has been stored in memory. The next time you press the same preset tuning button 16 the radio station frequency is recalled from memory.

Notes ! Up to 18 FM stations, 6 for each of the three FM bands, and 6 AM stations can be stored in memory.
2 Use VOLUME to adjust the sound level. When you press VOLUME up/+, the volume is raised and when pressed down/, the volume is lowered. 3 Press BAND to select a band. Press BAND until the desired band is displayed, F1, F2, F3 for FM or AM. 4 To perform manual tuning, press c or d with quick presses. The frequencies move up or down step by step.
! You can also use a and b to recall radio station frequencies assigned to preset tuning buttons 16.
Storing broadcast frequencies with BSM may replace broadcast frequencies you have saved using 16.

Tuning in strong signals

Local seek tuning lets you tune in only those radio stations with sufficiently strong signals for good reception. 1 Press LOCAL/BSM to turn local seek tuning on. LOCAL appears in the display. 2 When you want to return to normal seek tuning, press LOCAL/BSM to turn local seek tuning off.
Storing the strongest broadcast frequencies
BSM (best stations memory) lets you automatically store the six strongest broadcast frequencies under preset tuning buttons 16 and once stored there you can tune in to those frequencies with the touch of a button. % Press LOCAL/BSM and hold until the BSM turns on. BSM begins to flash. While BSM is flashing the six strongest broadcast frequencies will be stored under preset tuning buttons 16 in order of their signal strength. When finished, BSM stops flashing.
# To cancel the storage process, press LOCAL/BSM.
HHHHHHHHHHHHHH Built-in CD Player

Playing a CD

Notes ! The built-in CD player plays one, standard, 12cm or 8-cm (single) CD at a time. Do not use an adapter when playing 8-cm CDs. ! Do not insert anything other than a CD into the CD loading slot. ! If you cannot insert a disc completely or if after you insert a disc the disc does not play, check that the label side of the disc is up. Press EJECT to eject the disc, and check the disc for damage before inserting the disc again. ! If the built-in CD player does not operate properly, an error message such as ERROR-11 may be displayed. Refer to Understanding built-in CD player error messages on page 15.
1 Track number indicator Shows the track currently playing. 2 Play time indicator Shows the elapsed playing time of the current track. 1 Insert a CD into the CD loading slot. Playback will automatically start.

CD loading slot

Playing tracks in a random order
Random play lets you play back tracks on the CD in a random order. 1 Press 4 to turn random play on. RDM appears in the display. Tracks will play in a random order. 2 Press 4 to turn random play off. Tracks will continue to play in order.
# You can eject a CD by pressing EJECT.
2 After a CD has been inserted, press SOURCE to select the built-in CD player. 3 Use VOLUME to adjust the sound level. When you press VOLUME up/+, the volume is raised and when pressed down/, the volume is lowered. 4 To perform fast forward or reverse, press and hold c or d. 5 To skip back or forward to another track, press c or d. Pressing d skips to the start of the next track. Pressing c once skips to the start of the current track. Pressing again will skip to the previous track.

Repeating play

Repeat play lets you hear the same track over again. 1 Press 5 to turn repeat play on. RPT appears in the display. The track currently playing will play and then repeat.
2 Press 5 to turn repeat play off. The track currently playing will continue to play and then play the next track.
Note If you perform track search or fast forward/reverse, repeat play is automatically cancelled.

Pausing CD playback

Pause lets you temporarily stop playback of the CD. 1 Press 6 to turn pause on. PAUSE appears in the display. Play of the current track pauses. 2 Press 6 to turn pause off. Play will resume at the same point that you turned pause on.
HHHHHHHHHHHHHH Audio Adjustments
Introduction of audio adjustments
# If the balance setting has been previously adjusted, BAL will be displayed.
2 Press a or b to adjust front/rear speaker balance. Each press of a or b moves the front/rear speaker balance towards the front or the rear. FAD F15 FAD R15 is displayed as the front/ rear speaker balance moves from front to rear.
# FAD 0 is the proper setting when only two speakers are used.
1 Audio display Shows the audio adjustments status. 2 LOUD indicator Appears in the display when loudness is turned on. % Press AUDIO to display the audio function names. Press AUDIO repeatedly to switch between the following audio functions: FAD (balance adjustment)EQ-L (equalizer) LOUD (loudness)FIE (front image enhancer)SLA (source level adjustment)
# When selecting the FM tuner as the source, you cannot switch to SLA. # To return to the display of each source, press BAND. Note If you do not operate the audio function within about 30 seconds, the display is automatically returned to the source display.

3 Press c or d to adjust left/right speaker balance. When you press c or d, BAL 0 is displayed. Each press of c or d moves the left/right speaker balance towards the left or the right. BAL L9 BAL R9 is displayed as the left/right speaker balance moves from left to right.

Using the equalizer

The equalizer lets you adjust the equalization to match car interior acoustic characteristics as desired.
Recalling equalizer curves
There are six stored equalizer curves which you can easily recall at any time. Here is a list of the equalizer curves:
Display SPR-BASS Equalizer curve Super bass Powerful Natural Vocal Custom Flat

Using balance adjustment

You can select a fader/balance setting that provides an ideal listening environment in all occupied seats. 1 Press AUDIO to select FAD. Press AUDIO until FAD appears in the display.
POWERFUL NATURAL VOCAL CUSTOM EQ FLAT
! CUSTOM is an adjusted equalizer curve that you create. ! When EQ FLAT is selected no supplement or correction is made to the sound. This is useful to check the effect of the equalizer curves by switching alternatively between EQ FLAT and a set equalizer curve. % Press EQ to select the equalizer. Press EQ repeatedly to switch between the following equalizer: SPR-BASSPOWERFULNATURAL VOCALCUSTOMEQ FLAT
If you make adjustments when a curve other than CUSTOM is selected, the newly adjusted curve will replace the previous curve. Then a new curve with CUSTOM appears on the display while selecting the equalizer curve.
Fine adjusting equalizer curve
You can adjust the center frequency and the Q factor (curve characteristics) of each currently selected curve band (EQ-L/EQ-M/EQ-H).
Adjusting equalizer curves
You can adjust the currently selected equalizer curve setting as desired. Adjusted equalizer curve settings are memorized in CUSTOM. 1 Press AUDIO to select the equalizer curve adjustment. Press AUDIO until EQ-L appears in the display.
Level (dB) Q=2N Center frequency Frequency (Hz) Q=2W
# If the equalizer band has been previously adjusted, the band of that previously selected will be displayed instead of EQ-L.
1 Press AUDIO and hold until frequency and the Q factor (e.g., F- 80 Q 1W) appears in the display. 2 Press AUDIO to select the desired band for adjustment. LowMidHigh 3 Press c or d to select the desired frequency. Press c or d until the desired frequency appears in the display. Low: 4080100160 (Hz) Mid: 2005001k2k (Hz) High: 3k8k10k12k (Hz) 4 Press a or b to select the desired Q factor. Press a or b until the desired Q factor appears in the display. 2N1N1W2W

2 Press c or d to select the equalizer band to adjust. Each press of c or d selects equalizer bands in the following order: EQ-L (low)EQ-M (mid)EQ-H (high) 3 Press a or b to adjust the level of the equalizer band. Each press of a or b increases or decreases the level of the equalization band. +is displayed as the level is increased or decreased.
# You can then select another band and adjust the level.
Note If you make adjustments when a curve other than CUSTOM is selected, the newly adjusted curve will replace the previous curve. Then a new curve with CUSTOM appears on the display while selecting the equalizer curve.
Precaution When the F.I.E. function is deactivated, the rear speakers output sound of all frequencies, not just bass sounds. Reduce the volume before disengaging F.I.E. to prevent a sudden increase in volume.

Adjusting loudness

Loudness compensates for deficiencies in the low- and high-sound ranges at low volume. 1 Press AUDIO to select LOUD. Press AUDIO until LOUD appears in the display. 2 Press a to turn loudness on. LOUD indicator is displayed.
1 Press AUDIO to select FIE. Press AUDIO until FIE appears in the display.
# To turn F.I.E. off, press b.
Press a to turn F.I.E. on.
3 Press c or d to select a desired frequency. Each press of c or d selects frequency in the following order: 100160250 (Hz)
Notes ! After turning the F.I.E. function on, use the balance adjustment (refer to page 10) and adjust front and rear speaker volume levels until they are balanced. ! Turn the F.I.E. function off when using a 2speaker system.
# To turn loudness off, press b.
3 Press c or d to select a desired level. Each press of c or d selects level in the following order: LOW (low)MID (mid)HI (high)
Note You can also turn loudness on or off by pressing LOUDNESS.

Adjusting source levels

SLA (source level adjustment) lets you adjust the volume level of each source to prevent radical changes in volume when switching between sources. ! Settings are based on the volume level of the FM tuner, which remains unchanged. 1 Compare the FM tuner volume level with the level of the source you wish to adjust (e.g., built-in CD player).
Front image enhancer (F.I.E.)
The F.I.E. (Front Image Enhancer) function is a simple method of enhancing front imaging by cutting mid- and high-range frequency output from the rear speakers, limiting their output to low-range frequencies. You can select the frequency you want to cut.
2 Press AUDIO to select SLA. Press AUDIO until SLA appears in the display. 3 Press a or b to adjust the source volume. Each press of a or b increases or decreases the source volume. SLA +4 SLA 4 is displayed as the source volume is increased or decreased.

Notes ! Since the FM tuner volume is the control, it is not possible to apply source level adjustments to the FM tuner. ! The AM tuner volume level can also be adjusted with source level adjustments.
HHHHHHHHHHHHHH Initial Settings
Adjusting initial settings
3 Press a or b to set the clock. Pressing a will increase the selected hour or minute. Pressing b will decrease the selected hour or minute.
Initial settings lets you perform initial set up of different settings for this unit. 1 Press SOURCE and hold until the unit turns off. 2 Press AUDIO and hold until clock appears in the display. Press AUDIO repeatedly to switch between the following settings: ClockFM 100 (FM tuning step)AM 9 (AM tuning step) Use the following instructions to operate each particular setting.
# To cancel initial settings, press BAND. # You can also cancel initial settings by holding down AUDIO until the unit turns off.
Setting the FM tuning step
The FM tuning step employed by seek tuning can be switched between 100 kHz, the preset step, and 50 kHz. 1 Press AUDIO to select FM 100. Press AUDIO repeatedly until FM 100 appears in the display. 2 Press c or d to select the FM tuning step. Pressing c or d will switch the FM tuning step between 100 kHz and 50 kHz. The selected FM tuning step will appear in the display.
Note If seek tuning is performed in 50 kHz steps, stations may be tuned in imprecisely. Tune in the stations with manual tuning or use seek tuning again.

Setting the clock

Use these instructions to set the clock. 1 Press AUDIO to select clock. Press AUDIO repeatedly until clock appears in the display. 2 Press c or d to select the segment of the clock display you wish to set. Pressing c or d will select one segment of the clock display: HourMinute As you select segments of the clock display the segment selected will blink.
Setting the AM tuning step
The AM tuning step can be switched between 9 kHz, the preset step, and 10 kHz. When using the tuner in North, Central or South America, reset the tuning step from 9 kHz (531 1,602 kHz allowable) to 10 kHz (530 1,640 kHz allowable). 1 Press AUDIO to select AM 9. Press AUDIO repeatedly until AM 9 appears in the display. 2 Press c or d to select the AM tuning step. Pressing c or d will switch the AM tuning step between 9 kHz and 10 kHz. The selected AM tuning step will appear in the display.

HHHHHHHHHHHHHH Additional Information

Appendix

Understanding built-in CD player error messages
When problems occur during CD play an error message may appear on the display. If an error message appears on the display refer to the table below to see what the problem is and the suggested method of correcting the problem. If the error cannot be corrected, contact your dealer or your nearest Pioneer Service Center.
Message Cause Action Clean disc. Replace disc. Turn the ignition ON and OFF, or switch to a different source, then back to the CD player. Replace disc.

CD player and care

! Use only CDs that have the Compact Disc Digital Audio mark as show below.
! Use only normal, round CDs. If you insert irregular, non-round, shaped CDs they may jam in the CD player or not play properly.
ERROR-11, 12, Dirty disc 17, 30 ERROR-11, 12, Scratched disc 17, 30 ERROR-10, 11, Electrical or me12, 17, 30, A0 chanical

ERROR-44

All tracks are skip tracks
Turning the clock display on or off
You can turn the clock display on or off. % Press CLOCK to turn the clock display on or off. Each press of CLOCK turns the clock display on or off.
! Check all CDs for cracks, scratches or warped discs before playing. CDs that have cracks, scratches or are warped may not play properly. Do not use such discs. ! Avoid touching the recorded (non-printed side) surface when handling the disc. ! Store discs in their cases when not in use. ! Keep discs out of direct sunlight and do not expose the discs to high temperatures. ! Do not attach labels, write on or apply chemicals to the surface of the discs. ! To clean dirt from a CD, wipe the disc with a soft cloth outward from the center of the disc.
# The clock display disappears temporarily when you perform other operations, but the clock display appears again after 25 seconds.
! If the heater is used in cold weather, moisture may form on components inside the CD player. Condensation may cause the CD player to not operate properly. If you think that condensation is a problem turn off the CD player for an hour or so to allow the CD player to dry out and wipe any damp discs with a soft cloth to remove the moisture.
! Road shocks may interrupt CD playback.

CD-R/CD-RW discs

! CD-R (CD-Recordable)/CD-RW (CD-Rewritable) discs recorded on CD-R/CD-RW units other than a music CD recorder may not play properly on this CD player. ! Music CD-R/CD-RW discs, even recorded on a music CD recorder, may not play properly on this CD player due to differing disc characteristics, scratches or dirt on the disc. Dirt or condensation on the lens inside this unit may also prevent playback. ! This unit conforms to the track skip function of the CD-R/CD-RW disc. The tracks containing the track skip information are skipped automatically. ! If you insert a CD-RW disc into this unit, time to playback will be longer than when you insert a conventional CD or CD-R disc. ! Read the precautions with CD-R/CD-RW discs before using them.

Installation
Before finally installing the unit, connect the wiring temporarily, making sure it is all connected up properly, and the unit and the system work properly. Use only the parts included with the unit to ensure proper installation. The use of unauthorized parts can cause malfunctions. Consult with your nearest dealer if installation requires the drilling of holes or other modifications of the vehicle. Install the unit where it does not get in the drivers way and cannot injure the passenger if there is a sudden stop, like an emergency stop. The semiconductor laser will be damaged if it overheats, so dont install the unit anywhere hot for instance, near a heater outlet. If installation angle exceeds 60 from horizontal, the unit might not give its optimum performance. (Fig. 1)

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Removing the Unit (Fig. 3) (Fig. 4)
5. Frame 6. Insert the release pin into the hole in the bottom of the frame and pull out to remove the frame. (When reattaching the frame, point the side with a groove downwards and attach it.) 7. Insert the supplied extraction keys into the unit, as shown in the figure, until they click into place. Keeping the keys pressed against the sides of the unit, pull the unit out.

MANUEL DINSTALLATION

INSTALLATION MANUAL

DIN Rear-mount

Installation using the screw holes on the side of the unit (Fig. 5) (Fig. 6) (Fig. 7) 1. Remove the frame.
8. Frame 9. Insert the release pin into the hole in the bottom of the frame and pull out to remove the frame. (When reattaching the frame, point the side with a groove downwards and attach it.)

DEH-1550 DEH-1550B

Fig. 1

Fig. 3

Fig. 5

Fig. 7

DIN Front/Rear-mount
This unit can be properly installed either from Front (conventional DIN Front-mount) or Rear (DIN Rear-mount installation, utilizing threaded screw holes at the sides of unit chassis). For details, refer to the following illustrated installation methods.
2. Fastening the unit to the factory radio mounting bracket.
10. Select a position where the screw holes of the bracket and the screw holes of the head unit become aligned (are fitted), and tighten the screws at 2 places on each side. Use either truss screws (mm) or flush surface screws (mm), depending on the shape of the screw holes in the bracket. 11. Screw 12. Factory radio mounting bracket 13. Dashboard or Console

DIN Front-mount

Installation with the rubber bush (Fig. 2)
10 1. Dashboard 2. Holder After inserting the holder into the dashboard, then select the appropriate tabs according to the thickness of the dashboard material and bend them. (Install as firmly as possible using the top and bottom tabs. To secure, bend the tabs 90 degrees.) 3. Rubber bush 4. Screw
This product conforms to new cord colors. Los colores de los cables de este producto se conforman con un nuevo cdigo de colores. As cores dos fios deste produto seguem um novo padro de cores.

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Fig. 2

Fig. 4

Fig. 6

Printed in China

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Instalacin
Antes de finalmente instalar la unidad, conecte el cableado temporalmente y asegrese de que todo est conectado correctamente y que la unidad y el sistema funcionan debidamente. Utilice slo las piezas que se incluyen con esta unidad para asegurar la instalacin adecuada. El uso de piezas no autorizadas podra causar fallos de funcionamiento. Consulte con su distribuidor si la instalacin requiere del taladro de orificios u otras modificaciones del vehculo. Instale la unidad donde no alcance el espacio del conductor, y donde no pueda daar a los pasajeros si sucediera un paro repentino, como una detencin de emergencia. El semiconductor lser se daar si se sobrecalienta, por eso no instale la unidad en un lugar caliente por ejemplo, cerca de la salida de un calefactor. Si el ngulo de la instalacin excede los 60 del lado horizontal, la unidad podra no brindar su ptimo funcionamiento (Fig. 1).

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Quitado de la unidad (Fig. 3) (Fig. 4)
5. Marco 6. Inserte el pasador de liberancin en el orificio de la parte inferior del marco, y tire hacia afuera para extraer el marco. (Para la fijacin del marco, apunte el lado con ranura hacia abajo.) 7. Inserte las herramientas de extraccin suministradas en la unidad, como se indica en la figura, hasta que se enganchen en su positin. Tire de la unidad mientras mantiene las herramientas presionadas contra los lados de la unidad.

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Montaje delantero DIN

Instalacin con tope de goma (Fig. 2)
1. Tablero de instrumentos 2. Soporte Despus de insertar el soporte en la tabla de mandos, luego seleccione las orejetas apropiadas segn el grosor del material de la tabla de mandos y dblelos. (Instale lo ms firme posible usando las lengetas superior e inferior. Para fijar, doble las lengetas 90 grados.) 3. Tope de goma 4. Tornillo

Montagem dianteira DIN

Instalao com uma bucha de borracha (Fig. 2)
1. Painel de instrumentos 2. Sujeitador Depois de inserir o sujeitador no painel de instrumentos, escolha as lingetas apropriadas de acordo com a espessura do material do painel de instrumento, e dobre-as. (Instale o mais firme possvel usando as lingetas superior e inferior. Para fixar, dobre as lingetas 90 graus.) 3. Bucha de borracha 4. Parafuso

Connecting the Units

5. Connecting cords with RCA pin plugs (sold separately) 1. This Product 7. Power amp (sold separately) This unit is for vehicles with a 12-volt battery and negative grounding. Before installing it in a recreational vehicle, truck, or bus, check the battery voltage. To avoid shorts in the electrical system, be sure to disconnect the battery cable before beginning installation. Refer to the owners manual for details on connecting the power amp and other units, then make connections correctly. Secure the wiring with cable clamps or adhesive tape. To protect the wiring, wrap adhesive tape around them where they lie against metal parts. Route and secure all wiring so it cannot touch any moving parts, such as the gear shift, handbrake and seat rails. Do not route wiring in places that get hot, such as near the heater outlet. If the insulation of the wiring melts or gets torn, there is a danger of the wiring short-circuiting to the vehicle body. Dont pass the yellow lead through a hole into the engine compartment to connect to the battery. This will damage the lead insulation and cause a very dangerous short. Do not shorten any leads. If you do, the protection circuit may fail to work when it should. Never feed power to other equipment by cutting the insulation of the power supply lead of the unit and tapping into the lead. The current capacity of the lead will be exceeded, causing overheating. When replacing fuse, be sure to use only fuse of the rating prescribed on the fuse holder. Since a unique BPTL circuit is employed, never wire so the speaker leads are directly grounded or the left and right speaker leads are common. Speakers connected to this unit must be highpower types with minimum rating of 50W and impedance of 4 to 8 ohms. Connecting speakers with output and/or impedance values other than those noted here may result in the speakers catching fire, emitting smoke, or becoming damaged. When this products source is switched ON, a control signal is output through the blue/white lead. Connect to an external power amps system remote control or the cars Auto-antenna relay control terminal (max. 300 mA 12 V DC). If the car features a glass antenna, connect to the antenna booster power supply terminal. When an external power amp is being used with this system, be sure not to connect the blue/white lead to the amps power terminal. Likewise, do not connect the blue/white lead to the power terminal of the auto-antenna. Such connection could cause excessive current drain and malfunction. To avoid short-circuiting, cover the disconnected lead with insulating tape. Especially, insulate the unused speaker leads without fail. There is a possibility of short-circuiting if the leads are not insulated. If this unit is installed in a vehicle that does not have an ACC (accessory) position on the ignition switch, the red lead of the unit should be connected to a terminal coupled with ignition switch ON/OFF operations. If this is not done, the vehicle battery may be drained when you are away from the vehicle for several hours.

Connection Diagram (Fig. 8)
1. 2. 3. 4. 5. This Product Rear output Antenna jack Fuse Connecting cords with RCA pin plugs (sold separately) 6. Blue/white To system control terminal of the power amp or Auto-antenna relay control terminal (max. 300 mA 12 V DC). 7. Power amp (sold separately) 8. System remote control 9. Yellow To terminal always supplied with power regardless of ignition switch position. 10. Red To electric terminal controlled by ignition switch (12 V DC) ON/OFF. 11. Black (ground) To vehicle (metal) body. 12. Rear speaker 13. Perform these connections when using the optional amplifier. 14. Front speaker 15. Left 16. Right 17. White 18. White/black 19. Gray 20. Gray/black 21. Green 22. Green/black 23. Violet 24. Violet/black 25. With a 2 speaker system, do not connect anything to the speaker leads that are not connected to speakers.
2. Rear output 4. Fuse 3. Antenna jack 6. Blue/white To system control terminal of the power amp or Auto-antenna relay control terminal (max. 300 mA 12 V DC).

8. System remote control

12. Rear speaker + 9. Yellow To terminal always supplied with power regardless of ignition switch position. 10. Red To electric terminal controlled by ignition switch (12 V DC) ON/OFF. 17. White 14. Front speaker 15. Left 12. Rear speaker 11. Black (ground) To vehicle (metal) body. 25. With a 2 speaker system, do not connect anything to the speaker leads that are not connected to speakers. + 22. Green/black 24. Violet/black + 18. White/black 21. Green 20. Gray/black 23. Violet + 19. Gray + 16. Right 12. Rear speaker 14. Front speaker + 12. Rear speaker

ACC position

No ACC position
13. Perform these connections when using the optional amplifier.
The black lead is ground. Please ground this lead separately from the ground of high-current products such as power amps. If you ground the products together and the ground becomes detached, there is a risk of damage to the products or fire. Cords for this product and those for other products may be different colors even if they have the same function. When connecting this product to another product, refer to the supplied Installation manuals of both products and connect cords that have the same function.