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Alinco DJ-175 T

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Alinco DJ-175 TAlinco DJ175T 2 Meter Handheld Ham Radio
ALINCO DJ175T 144MHz FM HANDHELD TRANSCEIVER Power, Features and Convenience. Great communications start here ! Alinco has created a new 2 meter HT that sets new standards in features, convenience and easy operation. The DJ-175 sports an alphanumeric display for easy memory management. It has an ergonomic design that's "user friendly" and the 5-watt output battery is standard. Be prepared for virtually any selective calling situation or gaining access to repeaters with 39-tone CTCS... Read more

Details
Brand: Alinco
Part Number: DJ175T
UPC: 4969182393194

 

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Comments to date: 8. Page 1 of 1. Average Rating:
enish 5:18am on Sunday, October 24th, 2010 
Powerful and not too loud This was my first serious dedicated graphics card I bought and really love it. ace What can i say, well for a start wow!!!!! i baught this for 229 pound off of scan.co. Excellent card, a touch pricey The main purpose which I bought this card was to play Crysis and a few other top end games which are out now.
philw41 1:26am on Saturday, September 25th, 2010 
I eventually replaced stock cooler and placed a large zalman fan with copper heat pipes and still ended up with heating issues.
Schulz 4:49am on Friday, August 20th, 2010 
This is a great product For the Average consu...  Great Price, Easy install. This is a great product For the Average consumer Go to a factory direct store and get this Cause now its even cheaper Great Price, Easy install.
terence 6:24am on Wednesday, August 4th, 2010 
Great product I have one of these card in my new computer, which as been overclocked about 20% it is very good with most games.
dbarker 3:42am on Sunday, July 4th, 2010 
Asus is a company known to manufacture hardware that satisfy the craving needs of gamers and oer clockers alike.
dgujra 9:28pm on Sunday, June 20th, 2010 
This is a great product For the Average consumer Go to a factory direct store and get this Cause now its even cheaper Great Price, Easy install.
BWF89 3:39pm on Friday, May 14th, 2010 
Fast card in the day I bought a set of these cards to use in CrossfireX based on [... Bad news board I would strongly advise buying another card from another manufacturer.
Giannini 5:58am on Monday, April 12th, 2010 
This is a great product For the Average consumer Go to a factory direct store and get this Cause now its even cheaper Great Price, Easy install.

Comments posted on www.ps2netdrivers.net are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.

 

Documents

doc0

144MHz FM HANDHELD TRANSCEIVER

DJ-175

Power, Features and Convenience. Great communications start here !


Head Office: Yodoyabashi Dai-Bldg 13F 4-4-9 Koraibashi, Chuo-ku, Osaka 541-0043 Japan Phone: 06-7636-2362 Fax: 06-6208-3802 E-mail: export@alinco.co.jp

ALINCO, INC.

Electronics Division
ALINCO's Toyama factory is ISO 14001 certified

doc1

VHF FM TRANSCEIVER

DJ-175 T/E/TFH

Instruction Manual

Thank you for purchasing your new Alinco transceiver. This instruction manual contains important safety and operating instructions. Please read this manual carefully before using the product and keep it for future reference.

ALINCO, INC.

NOTICE / Compliance Information Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Tested to Comply With FCC Standards FOR HOME OR OFFICE USE Information in this document is subject to change without notice or obligation. All brand names and trademarks are the property of their respective owners. Alinco cannot be liable for pictorial or typographical inaccuracies. Some parts, options and/or accessories are unavailable in certain areas. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. VHF FM Transceiver DJ-175T/E/TFH This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Manufacturer: ALINCO, Inc. Yodoyabashi Dai-bldg. 13F 4-4-9 Koraibashi, Chuo-ku, Osaka 541-0043 Japan
Conformity Information Alinco, Inc. Electronics Division hereby declare on our sole responsibility that the product(s) listed below comply the essential requirements of the Directive 1999/5/EC, The council of 3/9/99 on Radio Equipment and Telecommunication Terminal Equipment and the mutual recognition of their conformity and with the provisions of Annex, after having performed the required measurements at Notified Bodies per Standards, and relative certificate(s) or document(s) can be reviewed at http://www. alinco. com/Ce/ DJ-175E: VHF FM Transceiver 144.000~145.995MHz
This device is authorized for use in all EU and EFTA member states. An operator's license is required for this device. Copyright All rights reserved. No part of this document may be reproduced, copied, translated or transcribed in any form or by any means without the prior written permission of Alinco. Inc., Osaka, Japan. English edition Printed in Japan.

Limited Power Source

Adhering to the requirement of the following warning ensures compliance of the transceiver with the safety standard for information technology equipment, EN 609501. Please note that the transceiver enclosure only provides mechanical protection of its internal parts; it will not contain a fire within the device if the fire starts under certain fault conditions. Alinco will not take responsibility for any fire hazard associated with powering the transceiver or charging its batteries using a power source which does not belong to the limited power sources in the meaning of EN 60950-1.

Introduction

Thank you very much for purchasing this excellent Alinco transceiver. Our products are ranked among the finest in the world. This radio has been manufactured with state of the art technology and it has been tested carefully at our factory. It is designed to operate to your satisfaction for many years under normal use. PLEASE READ THIS MANUAL COMPLETELY TO LEARN ALL THE FUNCTIONS THE PRODUCT OFFERS. WE MADE EVERY ATTEMPT TO WRITE THIS MANUAL TO BE AS COMPREHENSIVE AND EASY TO UNDERSTAND AS POSSIBLE. IT IS IMPORTANT TO NOTE THAT SOME OF THE OPERATIONS MAY BE EXPLAINED IN RELATION TO INFORMATION IN PREVIOUS CHAPTERS. BY READING JUST ONE PART OF THE MANUAL, YOU RISK NOT UNDERSTANDING THE COMPLETE EXPLANATION OF THE FUNCTION. *In case addendum sheet(s) is inserted to the package of this product, please read it and keep it together with the instruction manual for your future reference.

Contents

NOTICE / Compliance Information Statement..2 Warning....4 Introduction....9 Contents....10 1.Features....13 1.1 Accessories....13 2.Accessories....14 2.1 Installations....14 2.1.1 Antenna....14 2.1.2 Hand Strap...14 2.1.3 Belt Clip....15 2.1.4 Battery Pack....15 2.1.5 Prevent Short Circuiting the Battery Pack..17 2.1.6 Battery-Level Icon...17 3.Names and Operations of Parts...18 3.1 Names and Operations of Keys and Ports...18 3.2 Keypad....20 3.3 Display (LCD)....21 4.Basic Operation....22 4.1 Turning On the Power....22 4.2 Adjusting the Audio Output (Volume)...22 4.3 Adjusting the Squelch....22 4.4 Setting the Frequency in the VFO Mode..23 4.4.1 Setting the Frequency...23 4.4.2 Setting the Tuning Step...24 4.4.3 Shift Direction and Offset Frequency Settings..24 4.5 Memory Mode....25 4.5.1 How to Program Memory Channel(s)...25 4.5.2 Recalling a Memory Channel...26 4.5.3 Deleting a Memory Channel...26 4.5.4 Programming a Repeater-Access Function Setting.26 4.5.5 Programmable Parameters in Memory Channels..27 4.6 Call-Channel Mode...27

4.7 Receiving...28 4.7.1 Monitor Function...28 4.8 Transmitting...28 4.8.1 Selecting the Output Level...29 5.Useful Functions...30 5.1 Scan Modes....30 5.1.1 VFO-Scan....30 5.1.2 Memory-Scan...30 5.1.3 Setting Skip Channels...31 5.2 Keylock....31 5.3 Tone-Burst....31 5.4 Naming Memory Channels...32 5.4.1 Setting Name-Tag....32 5.4.2 Using the Channel Name Function..32 5.5 Auto-Power-Off (APO)...33 5.5.1 Setting APO...33 5.5.2 APO Operation...33 5.6 Time-Out-Timer (TOT)...33 5.6.1 Setting TOT...33 5.6.2 TOT Operation...33 5.7 Lamp....34 6.Selective Calling....35 Selective Calling Operations...35 6.1 Tone Squelch (TSQ)...35 6.1.1 Setting the Tone Squelch...35 6.1.2 Switching Off the Tone Squelch...36 6.1.3 To Differentiate the ENC/DEC Tones..36 6.1.4 Tone Squelch Operation....36 6.2 DCS....36 6.2.1 Setting the DCS...36 6.2.2 Changing the DCS Code...37 6.2.3 Switching Off DCS...37 6.2.4 DCS Operation...37 6.2.5 DET Mode in DCS Operation...37 6.3 DTMF Tone Encoding...38 6.4 Auto Dialer....38 6.4.1 Setting the Auto Dialer...38 6.4.2 Generating the Auto Dialer Codes...39 6.4.3 Redial....39
7.Special Functions...40 7.1 Battery Refresh....40 7.2 Repeater-Access...40 8.Set Mode....41 8.1 Set Mode Operation....41 8.2 Entering the Set Mode...41 8.3 Available Parameters...42 8.3.1 Menu 1 Battery Save (BS) Function...42 8.3.2 Menu 2 Timer/Busy Scan Setting..42 8.3.3 Menu 3 Beep Function...42 8.3.4 Menu 4 Tone-Burst Frequency Setting..42 8.3.5 Menu 5 Clock Shift Setting..43 8.3.6 Menu 6 Busy Channel Lockout Setting...43 8.3.7 Menu 7 TOT Penalty Time..44 8.3.8 Menu 8 DTMF WAIT Time...44 8.3.9 Menu 9 DTMF Burst/Pause Time..44 8.3.10 Menu 10 DTMF First Digit Burst Time...45 8.3.11 Menu 11 Battery Type Setting..46 9.Cloning and Packet Operation...47 9.1 Cloning....47 9.1.1 Cable Connection....47 9.1.2 Master/Slave Units...47 9.1.3 Master Unit Operation...48 9.1.4 Slave Unit Operation....48 9.2 Packet Operation....49 9.2.1 Packet Operation Connections..49 10.Maintenance and Reference...50 10.1 Troubleshooting...50 10.2 Resetting....51 10.2.1 All Resetting....51 10.2.2 Partial Resetting....51 10.3 Options....52 10.3.1 Battery Packs....52 10.3.2 Using the Chargers...53 11.Specifications...56

1.Features

1. Features
This transceiver has the following main features.
39 CTCSS tone squelch 104 DCS digital code squelch Time-Out-Timer Alphanumeric display 4 tone-burst tones (1750, 2100, 1000, 1450Hz) 9 auto dial memories easily accessed from the DTMF keypad with redial function Direct frequency entry from the DTMF keypad A quick "Repeater-Access" function Refresh function for rechargeable battery reconditioning Cable Cloning 3 levels of output power (5/2/0.5W) 200 memories plus 1 CALL channel

2.1.5 Prevent Short Circuiting the Battery Pack
Be extra cautious when carrying the rechargeable battery pack; short circuiting will produce surge current possibly resulting in fire.
DON'T carry with metals of any type, e.g. chains. DON'T carry the battery pack inside bags made of conductive materials. DON'T place in the proximity of metals or conductives, e.g. nails, chains.
Do enclose inside a non-conductive enclosure. (bags or handkerchief made only of non-conductive material)
Do protect by spreading a non-conductive sheet on a flat surface.

2.1.6 Battery-Level Icon

During the operation, a black battery icon indicates that the battery-level is in usable range. When it turns to empty, please charge the pack or replace the cells with new ones.
Battery-level icon The battery is in usable condition. Battery-level is low. Replace or charge the pack.
3.Names and Operations of Parts
3. Names and Operations of Parts
3.1 Names and Operations of Keys and Ports
SMA Antenna Connector PTT key Speaker Microphone TX/RX lamp Display (LCD) FUNC key

MONI key

Power key Keypad Microphone/ Speaker jack Dial
Attach the whip antenna. If you plan to use an optional antenna, select one that is tuned to the operating frequency. Press the PTT key to transmit, release to receive. A speaker is built in. Speak into the microphone from a distance of about 5cm (2"). Lights green when the squelch is unmuted. Lights red during transmission. Refer to "Display" (page 21). The FUNC key is used in combination with the other keys to access the various functions of the unit. To enter the Set mode to set operating parameters, press the FUNC key continuously for about 2 seconds. When the MONI key is pressed, the squelch unmutes regardless of the TSQ/DCS setting. Pressing the MONI key after pressing the FUNC key illuminates display for about 5 seconds. Pressing the MONI key while pressing the PTT key transmits a tone-burst signal. Press the power key down for approximately one second to turn on/off the unit. Refer to "Keypad" (page 20). For an optional speaker/Mic connection. Rotate the dial to select the frequency of operation, memory channel, offset frequency, tone frequency, DCS code, Set mode settings, and the characters for name-tags. Rotating the dial while pressing the FUNC key increases or decreases the frequency in 1MHz order.

3.2 Keypad

key Without pressing the FUNC key. Inputs* 1. Inputs 2. Inputs 3. Inputs 4. Inputs 5. Inputs 6. Inputs 7. Inputs 8. Inputs 9. Inputs 0. Switches between the VFO and Memory mode (page 23). Start/Stop scanning (page 30). Access the Call channel (page 27). Auto dialer operation (page 38). SQL adjustment (page 22). Audio level adjustment (page 22). Key/Frequency lock setting (page 31). Memory channel skip setting (page 31). Naming memory channels setting (page 32). N/A N/A While appears after the FUNC key is pressed. Channel step setting (page 24). Offset frequency setting (page 24). Time-Out-Timer setting (page 33). Tone Encode/Tone Squelch setting (page 35). Hi/Mid/Low power setting (page 29). Auto-Power-Off setting (page 33). DCS (digital code squelch) setting (page 36). Repeater-Access function setting (page 40). Auto dialer memory setting (page 38). N/A Memory programming (page 25).

* The numeric keys can be used for direct VFO frequency input within the product's operating range. DTMF tones are generated by pressing the keys during transmissions.

3.3 Display (LCD)

Appears when the FUNC key is pressed. Indicates the shift (+/-) direction. Appears when setting the CTCSS tone encoder. Appears when setting the tone squelch. Appears when setting the DCS. Displays the frequency and scan operation. Displayed when the frequency or the keypad is locked. Appears when the Repeater-Access function is activated. Appears when Auto-Power-Off function is activated. Indicates battery-level. The black icon flashes when the battery charge function is on. Displayed when in the Memory mode. Displays the memory channel No. Displayed when the transmission output is in LOW setting. Displayed when the transmission output is in MID setting. Displays the operating frequencies, name-tags and parameters in the setting mode. Appears when the squelch is unmuted. Indicates the receiving signal (S-meter) and transmission output levels (Power-meter).

4.Basic Operation

4. Basic Operation

4.1 Turning On the Power

Hold the key down for a second. key down until To turn off the power, hold the the display turns off.
4.2 Adjusting the Audio Output (Volume)
There are 21 audio output levels (00~20). The default setting is level 00. There is no audio output at this status. 1. Press the key. The level is displayed on the LCD. 2. Rotate the dial to increase or decrease the level. As the setting value increases, the audio becomes louder. 3. Press any key except for the MONI key or just leave it for 5 seconds to automatically complete the setting.
4.3 Adjusting the Squelch
Squelch is a function that eliminates the noise when no signals are being received. There are 11 squelch levels (00~10). The default setting is Level 00. 1. Press the key. The squelch level is displayed on the LCD. 2. Rotate the dial to increase or decrease the squelch level. Set to the lowest level that the noise is cut. 3. Press any key except for the MONI key or just leave it for 5 seconds to automatically complete the setting.

4.4.3 Shift Direction and Offset Frequency Settings
In conventional repeater systems, a signal received on one frequency is retransmitted on another frequency. The difference between these two frequencies is called the offset frequency. The selectable offset frequency of this unit is from 0 to 99.995MHz. 1. Press the FUNC key, and while is displayed, press the key to display the current offset frequency and shift direction settings.
2. Each time the key is pressed the shift direction changes as indicated below. A (-) means that the TX frequency is lower than the RX frequency. A (+) means vice versa.

-0.600 +0.600 OST-OF

3. Rotate the dial while the shift frequency is being displayed. Clockwise: each click increases the frequency by one tuning step. Counter-clockwise: each click decreases the frequency by one tuning step. Press the FUNC key and rotate the dial to increase or decrease the frequency in 1MHz steps. 4. Press any key except for the MONI or FUNC key to complete setting.
NOTE: Please refer to "Selective Calling" (page 35) to set the CTCSS/DCS tones usually required for conventional Repeater-Accesses. If the offset frequency is set to exceed the transmitting frequency range of this unit, "OFF" appears on the display and a beep sounds when the PTT key is pressed. You can not transmit in this state.

4.5 Memory Mode

This mode allows recalling and operating the preprogrammed frequency or setting in the memory channels. This unit provides up to 200 memory channels, 1 CALL channel and 1 Repeater-Access function memory.
4.5.1 How to Program Memory Channel(s)
1. Select a frequency and operating parameters to be programmed in the VFO mode. Programmable parameters are explained later. Press the key. " " appears on the display. 2. Press the FUNC key to display.
3. Rotate the main dial to select the desired memory channel number while is displayed. An empty channel is shown with a flashing " ". Select C for CALL channel programming. "rP ALLFREQ" is explained later. 4. By pressing the key again while programming is completed. is on the display, a beep sounds and
5. Pressing the FUNC then key while is displayed on the programmed channel will delete the memory data and it becomes available for reprogramming.
4.5.2 Recalling a Memory Channel
1. Select the Memory mode by pressing the key. " " and channel number appear on the display to indicate that the unit is in the Memory mode. Repeat to switch between the Memory and VFO modes. 2. Select a memory channel. Rotating the main dial will increase or decrease a memory channel number.
4.5.3 Deleting a Memory Channel
1. Select the Memory mode by pressing the key. 2. Rotate the dial to select the memory channel No. that you wish to delete.

4.7 Receiving

1. Turn on the unit. 2. Press the 3. Press the key and rotate the dial to adjust the audio level as necessary. key and rotate the dial to adjust the squelch level.
4. Select the frequency that you wish to operate by using the dial or the keypad. When a signal is received on the frequency that you selected, and S-meter are displayed on the LCD, then the received signal can be heard. The green RX indicator also lights at this time.

4.7.1 Monitor Function

In case the receiving signal is weak and the audio is intermittently cut off by the squelch, press the MONI key. As long as this key is pressed, the squelch including TSQ/DCS unmutes making the audio easier to hear. The squelch is unmuted while the MONI key is pressed, regardless of the squelch level setting. This function unmutes the squelch even if the DCS and Tone Squelch functions are set.

4.8 Transmitting

1. Select the frequency that you wish by using the dial or keypad. 2. Press the PTT key. The red TX indicator turns on while transmitting. 3. While holding down the PTT key, speak into the unit at normal voice from the distance of 5cm (2"). 4. Release the PTT key to receive.
IMPORTANT NOTE: To transmit a tone-burst signal, press the MONI key while holding down the PTT key. Speaking too loud, too close or too far from the unit may distort the audio. "OFF" appears on the display and a beep sounds when the PTT key is pressed with the TX frequency set out of the TX range. You can not transmit in this state.
4.8.1 Selecting the Output Level
Press the FUNC key, and while is displayed on the LCD, press the key to switch transmission power output. The display changes as follows depending on the output level selected: is displayed with on the power meter. (Low power output) is displayed with on the power meter. (Middle power output) Nothing is displayed with on the power meter. (High power output) The initial setting is low power. IMPORTANT NOTE: The output level can't be altered while transmitting.

5.Useful Functions

5. Useful Functions

5.1 Scan Modes

The scan function automatically searches the receiving signals. There are 2 modes for scan-resume condition. Busy Scan: The scan stops when a signal is detected, stays until the signal is gone then resumes scanning. Timer Scan: The scan stops when a signal is detected, and resumes scanning after 5 seconds regardless of receiving status. During scanning, the 1MHz decimal point ( ) on the frequency display flashes. Press any key other than the MONI key to stop scanning. Scanning starts in the direction of the last dial operation (up or down).

NOTE: Please refer to the Set mode to switch the setting between Timer and Busy scan modes (page 42).

5.1.1 VFO-Scan

1. Use the 2. Press the of one step. key to select the VFO mode. key to start scanning. The unit scans in accordance with the order
3. Rotate the dial clockwise/counter-clockwise to change the scan direction. VFO-scan scans the entire frequency range. 4. Press any key other than the MONI key to stop scanning.

5.1.2 Memory-Scan

1. Use the 2. Press the key to select the Memory mode. key to start memory scanning.
3. Rotate the dial clockwise/counter-clockwise to change the scan direction. Memory-scan scans all programmed memory channels. 4. Press any key other than the MONI key to stop scanning.
NOTE: Please set the squelch level correctly before scanning, even in the TSQ scanning the normal squelch level adjustment is required to activate this function.
5.1.3 Setting Skip Channels
You can select the memory channels that you wish to skip during the memory-scan. Press the FUNC key in the Memory mode, and while is displayed, press the key to set the currently selected memory channel as a skip channel. Use the same procedure to clear the skip channel setting. The 10MHz decimal point appears for memory channels that are set as skip channels.
NOTE: The Call channel and Repeater-Access memory are automatically skipped during scanning.

5.2 Keylock

Press the FUNC key, and while is displayed, press the key to set the Keylock function on, and repeat the same to quit. When the Keylock is on, the is displayed on the LCD. When the Keylock is on, other than the following, all operations are blocked. * PTT * LAMP * MONI * VOL * SQL * Tone-burst * POWER ON/OFF * DTMF tone
NOTE: Keylock function can't be activated on the Repeater-Access function memory channel.

5.3 Tone-Burst

This function is to generate an audible tone to access European repeaters mostly used in Europe. To output the tone-burst tone, press the MONI key while holding down the PTT key. The tone is transmitted as long as the MONI key is pressed. The initial setting for the tone-burst tone is 1750Hz, but this can be changed in the Set mode (page 42). While transmitting the tone-burst tone, the CTCSS/DCS tone is temporary suspended.
5.4 Naming Memory Channels
In the Memory mode, it is possible to display up to 6 alphanumeric characters (Nametag) instead of conventional frequency display.

5.4.1 Setting Name-Tag

1. Select the memory channel. 2. Press the FUNC key, and while 3. [A ] flashes on the display. 4. Rotate the dial to select a character to be the first digit. 5. Press the flashing. key to input the next character. The previous character will stop is displayed press the key.

6.1 Tone Squelch (TSQ)

6.1.1 Setting the Tone Squelch
1. Press the FUNC key, and while is displayed on the LCD, press the key to display the current TSQ settings. Each time the key is pressed, the display shows:

88.5 88.5 TCS-OF

When only When
is displayed, the unit encodes the CTSS tone. is displayed, the unit encodes and decodes the CTCSS tone.
2. Rotate the dial while the tone frequency is displayed to select one of the 39 CTCSS tones shown below. The tone can be set for encode/decode separately (refer to page 36 for details). 67.0 94.8 131.8 186.2 69.3 97.4 136.5 192.8 71.9 100.0 141.3 203.5 74.4 103.5 146.2 210.7 77.0 107.2 151.4 218.1 79.7 110.9 156.7 225.7 82.5 114.8 162.2 233.6 85.4 118.8 167.9 241.8 (unit: Hz) 88.5 91.5 123.0 127.3 173.8 179.9 250.3
3. Press any key other than the MONI key to complete the setting. Observe that both and are displayed.
6.1.2 Switching Off the Tone Squelch
Press the key in Tone Squelch Setting mode to select TCS-OF, then press any key other than the MONI key to complete the setting.
6.1.3 To Differentiate the ENC/DEC Tones
It is possible to set the encode and decode tones independently in the Tone Squelch Setting mode. To set the encode tone, when displayed, select a desired tone. The decode tone is set automatically to the same tone. To differentiate the decode tone, select another tone in status.
6.1.4 Tone Squelch Operation
The squelch unmutes only when the signal with the same decoding-setting tone is received.

6.2 DCS

6.2.1 Setting the DCS
1. Press the FUNC key, and while is displayed on the LCD, press the key. " " is displayed on the LCD, and the DCS code is displayed. The initial setting is 023. Each time you press the key, the display switches between:

DCS 023 DCS-OF

2. Press any key other than the MONI key to complete the setting. Observe that " " is displayed.
6.2.2 Changing the DCS Code
1. Rotate the dial in DCS Code Setting mode (while " " is displayed). 2. Press any key other than the MONI key to complete the setting. The same DCS code is set for ENC/DEC, differential setting isn't available. One of the following 104 DCS codes can be selected. 624 731

6.2.3 Switching Off DCS

Select DCS-OF in the DCS Code Setting mode to turn it off.

6.2.4 DCS Operation

The squelch unmutes only when the unit receives the matching code.

To set a pause instead of a tone, press the FUNC key, and while press the key. "-" is displayed for a pause. The pausing time is approx. 1 second. Press the FUNC key, and while to see the hidden characters.
is displayed, rotate the dial to scroll the display is displayed, press the
To clear the programming, press the FUNC key, and while key. 4. Press the PTT key to complete the programming.
6.4.2 Generating the Auto Dialer Codes
Please program the Auto Dialer memory channel(s) in advance. 1. Press the key. "DIAL" is displayed on the LCD. 2. Press one of the to key (corresponding to memory #1~#9) to automatically generate the DTMF tones.
Auto Dialer Operation While Transmitting
1. While pressing the PTT key, press the FUNC key. "DIAL" is displayed on the LCD. Don't release the PTT to proceed. 2. Press one of the to key to automatically transmit the DTMF tones.

6.4.3 Redial

This function generates the last DTMF tones used by the unit. 1. Press the key while the unit is receiving. 2. Press the key. The last DTMF tones (either the auto dialer code or a manually input DTMF code) is automatically generated from the speaker. The unit doesn't transmit the tones in this operation. 3. To transmit, press the FUNC key while pressing the PTT key, then the key.
Please note that you must operate the DTMF tones at least once to proceed above.

7.Special Functions

7. Special Functions

7.1 Battery Refresh

Repeating improper recharge of the Ni-MH battery pack may cause so-called the "memory effect" that the battery holds less charge. To avoid this, it is always recommended to fully discharge the battery pack then full charge. This function helps discharging the battery pack. Please remove the unit from a charger before this operation. 1. Activate the Keylock (page 31). 2. Press the key twice, the key twice, the key twice and then the key twice. "DISCHG" will be displayed on the LCD, and the battery-refresh starts. 3. To cancel this operation, just turn off the unit, turn it on again, then unlock the Keylock function. 4. The unit will turn off automatically when finished the refresh.
The time to refresh totally depends on the remaining charge of the battery pack. To discharge the fully-charged EBP-72 may take up to approx. 7 hours. When this function is on, the backlight and the keys are illuminated, and noise from the speaker can be heard. Before storing the rechargeable battery pack for an extended period of time, please full-charge it after this operation. Also, refresh and fully charge the battery once every 6 months to keep the pack in good condition.

TP-OFF TP-1 ----TP-4 ----TP-15 (unit: seconds)
Transmission is prohibited until the penalty time elapses. An alert beep sounds when the PTT key is pressed during the penalty time.
NOTE: The following 3 menus explain the Auto Dialer DTMF tone parameters. Please refer to the chart at the end for details.
8.3.8 Menu 8 DTMF WAIT Time
Use this parameter to delay the time to start transmitting the DTMF tones in Auto Dialer operation. The initial setting is 100ms. 1. DWT-01 is displayed on the LCD. 2. Rotate the dial to change the DTMF wait time setting.
DWT-01 DWT-04 DWT-07 DWT-10 (unit: 100ms)
8.3.9 Menu 9 DTMF Burst/Pause Time
This parameter determines the length of DTMF tones and pause time between the tones. 1. DP-60 is displayed on the LCD. 2. Rotate the dial to change the DTMF burst/pause time setting.
DP-60 DP-80 DP-160 DP-200 (unit: ms)
8.3.10 Menu 10 DTMF First Digit Burst Time
It often happens that the radios fail to receive the very beginning instant of each communication due to squelch/TSQ/DCS etc. By setting the burst time of the first digit longer, the risk to miss the first DTMF tone will decrease. 1. DB-60 is displayed on the LCD. 2. Rotate the dial to select the initial-character burst time.
DB-60 DB-80 DB-160 DB-200 (unit: ms)

The DTMF Timing Chart

PTT ON DTMF code DTMF code DTMF code

WAIT Time

First Digit Pause Burst Time Time

Burst Time

Pause Time
8.3.11 Menu 11 Battery Type Setting
Select the correct battery type from Ni-MH battery pack and Li-ion battery pack in order to display the battery-level icon correctly. 1. BAT-NI is displayed on the LCD. 2. Rotate the dial to select battery type from Ni-MH battery pack (BAT-NI) and Liion battery pack (BAT-LI).
BAT-NI (Ni-MH) BAT-LI (Li-ion)
NOTE: Please set this parameter correctly. When the BAT-LI is selected, previously explained battery charge function can't be performed.
Cut out the Set Mode Function List below for use as a quick reference.
SFT-OF CPU Clock Frequency shift BCL-OF Busy Channel Lock Out DTMF First Digit Burst time DB-60 DTMF Pause/Burst time

Reference (Set mode)

Tone-Burst Frequency

Timer/Busy scan

DWT-01 DTMF Wait time

Battery Save

BEP-ON Beep sound

TP-OFF TOT Penalty

BAT-NI

Battery type

9.Cloning and Packet Operation
9. Cloning and Packet Operation

9.1 Cloning

9.2 Packet Operation

Packet operation is one of the data communication methods, which enables data transmission and reception with a personal computer through an optional TNC unit available from third-parties.
9.2.1 Packet Operation Connections
Connect the packet communication TNC (Terminal Node Controller) terminals to the SP (3.5 mm plug) and MIC (2.5 mm plug ) connectors on the top of the transceiver. Input level adjustment: The unit doesn't have microphone and speaker level adjustment circuit. Adjust their level on the TNC side. Output level adjustment: Use the audio output ( key) of the unit to adjust the output level from MIC/SP terminal.
3.5 PLUG SP GND 2.5 PLUG MIC 5.0V GND 10F MIC 10k 5.0V PTT GND SP
Refer to the TNC's instruction manual when connecting the TNC unit to other devices (personal computer etc.). If the unit, TNC unit and connected personal computer are set too close, noise between them may cause interference. Turn the battery save function off during packet operations. DJ-175 operates up to 1200bps only.
10.Maintenance and Reference
10. Maintenance and Reference

10.1 Troubleshooting

Please check the list below before concluding that the unit needs to be serviced. If a problem persists, please reset the unit. The setting/CPU program-related troubles are often resolved by the reset.
Action Possible Cause Symptom Check that the battery pack terminals are Nothing appears on Poor battery pack clean, and pack is correctly attached. connection. the display when turning on the power. Battery is exhausted. Recharge or replace the battery (pages 53-55). You are releasing the Hold the power key down until the display shows figures. key too quickly. Adjust the audio level (page 22). Volume too low. No Speaker audio. No reception. Squelch level too high. Adjust the squelch (page 22). Turn off tone squelch (page 36). Tone squelch is on. Turn off DCS (page 37). DCS is on. You are pressing the PTT Release PTT key. key and transmitting. Reset the unit (page 51). Frequency display is CPU error. See Naming Memory Channels function A channel name is incorrect. (page 32). set. Squelch is unmuted. Set squelch so that noise mutes (page 22). Won't scan. Turn off Keylock (page 31). Keylock is on. Frequency and Transceiver is in the Select the VFO or Memory mode. memory number Call mode. don't change. Turn off Keylock (page 31). Key entry not possible. Keylock is on. Set the correct parameters to suit your Incorrect setting of Repeater-Access local repeaters (page 26). parameters. can't be used. Battery is exhausted. Recharge or replace the battery Can't transmit. (pages 53-55). Display flashes or goes out when you transmit. Not pressing the PTT Press the PTT key and confirm that TX/RX Can't transmit. lamp lights red. key firmly enough. Can't talk to other Be sure that you are in the TX range Off-frequency. stations. and/or check shift status. Incorrect frequency. Check the shift status/repeater settings. Battery is exhausted. Recharge battery or replace the battery The display flashes (pages 53-55). or disappears during reception.

 

Technical specifications

Full description

ALINCO DJ175T 144MHz FM HANDHELD TRANSCEIVER Power, Features and Convenience. Great communications start here ! Alinco has created a new 2 meter HT that sets new standards in features, convenience and easy operation. The DJ-175 sports an alphanumeric display for easy memory management. It has an ergonomic design that's "user friendly" and the 5-watt output battery is standard. Be prepared for virtually any selective calling situation or gaining access to repeaters with 39-tone CTCSS, 104 DCS, Tone-bursts and DTMF encoding, all included at No extra costs. Best of all, DJ-175 retains the proud Alinco tradition of quality construction and excellent value.

 

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