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DR-638

Instruction Manual

VHF/UHF FM Mobile Transceiver

Thank you for purchasing your new Alinco transceiver. 
Please  read  this  manual  carefully  before  using  the 
product  to  ensure  full  performance,  and  keep  this 
manual  for  future  reference  as  it  contains  information 
on  after-sales  services.  In  case  addendum  or  errata 
sheets  are  included  with  this  product,  please  read 
those  materials  and  keep  them  together  with  this 
instruction manual for future reference.

NOTE:  DR-638  may  be  delivered  to  you  after  dealer-
programming. In such cases, please ask your dealer about 
the available features in your unit and how to operate this unit.
Features  and  functions  may  be  limited  due  to  dealer-
programming.

Summary of Contents for DR-638

Page 1: ...contains information on after sales services In case addendum or errata sheets are included with this product please read those materials and keep them together with this instruction manual for future...

Page 2: ...INC Yodoyabashi Dai bldg 13F 4 4 9 Koraibashi Chuo ku Osaka 541 0043 Japan Phone 81 6 7636 2362 Fax 81 6 6208 3802 http www alinco com E mail export alinco co jp Copyright Alinco lnc PS0819 FNEH NI P...

Page 3: ...des adequate protection of its passengers or drivers against lightning Therefore Alinco will not take responsibility for any danger associated with using its radios or inside the car during lightning...

Page 4: ...wners 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...

Page 5: ...ines DO NOT operate the radio without a proper antenna attached as this may damage the radio and may also cause you to exceed FCC RF exposure limits A proper antenna is the antenna supplied with this...

Page 6: ...o 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...

Page 7: ...g Do not use this product in close proximity to other electronics devices especially medical ones It may cause interference to those devices Keep the radio out of the reach of children In case a liqui...

Page 8: ...secure installation may result in short circuit electronic shock and or fire Do not plug the power supply into the wall outlet if the contacts are dirty and or dusty Short circuiting and or overheatin...

Page 9: ...ea About transceiver Do not connect devices other than specified ones to the jacks and ports on the product It may result in damage to the devices Turn off and remove the power source AC cable DC cabl...

Page 10: ...ansmitting 12 Transmit DTMF 2TONE 5TONE signaling 13 High Mid Low Power Setting 13 Frequency Reverse 13 CTCSS DCS setting 13 Call channel recalling 13 CTCSS DCS Scan 13 Dual Watch 14 Emergency Alarm 1...

Page 11: ...Self ID Enquiry 24 Menu 41 VFO Frequency Linkage 25 Menu 42 Wide Narrow FM Mode 25 Menu 43 Crossband Repeat 25 Menu 44 46 LCD backlight 25 Menu 47 Keypad backlight brightness 26 Menu 48 Calling Record...

Page 12: ...tones and tone bursts for repeater access and sellective calling operations Various scan functions including CTCSS DCS Scan function Variety of signaling such as emergency alarm ANI DTMF remote kill r...

Page 13: ...htly depending on the version you have purchased Please contact your local authorized Alinco dealer should you have any questions Alinco and authorized dealers are not responsible for any typographica...

Page 14: ...e you risk damaging the circuit board components or fall off of the unit DC Power Cable Connection Mobile Operation The vehicle battery must have a nominal rating of 12V Never connect the transceiver...

Page 15: ...ers from the cable Reconnect any wiring removed from the negative terminal 555 When the ignition key is turned to ACC or ON Start position with the 777 radio turned off the power switch illuminates Th...

Page 16: ...ons After connecting the transceiver to the power supply long press the key enter Menu 12 Sub Band Display menu and select DC IN then it will appear current power supply voltage on the right side of S...

Page 17: ...ransmitting without first connecting an antenna or other matched load may damage the transceiver Always connect the antenna to the transceiver before transmitting All fixed stations should be equipped...

Page 18: ...4 Turn the front panel being careful to keep the cable free from kinks 222 Match the catch in the main unit with the slot in the front panel and 333 fit the front panel into the main unit Slot Catch F...

Page 19: ...ons 7 CALL Short press Switches to CALL channel Long press When channel setting DTMF 5 Tone press this key can edit ANI code calling microphone input 8 MHz Short press Changes frequency step by 1MHz i...

Page 20: ...KEY FUNCTION 1 Appears when press FUNC key 2 Appears while in AM mode 3 Appears while using Middle output power 4 Appears while using low output power 5 Appears while channel setting in narrow band 6...

Page 21: ...FUNCTION 1 M S Switches between Main and Sub bands 2 Number Key Input VFO frequency or DTMF dial out etc 3 PA Switches between VFO and Memory modes PB Changes CTCSS and DCS mode parameters PC Starts...

Page 22: ...annel is shown in SUB band icon appears Pressing UP DOWN keys on microphone also sets channels Rotate the VOL knob of selected band clockwise to increase the audio level counterclockwise to decrease R...

Page 23: ...ssing and holding the key toggles the operating bands between 108 180MHz 220 260MHz 350 399MHz and 400 480MHz for receiving Select the SUB band so that SUB appears above the frequency 222 display on t...

Page 24: ...nd switch or MIC UP DOWN keys can sync select the CTCSS encoding and decoding which is desired press key or PTT key to confirm and exit Press key to choose output power from 4 different levels Every p...

Page 25: ...ess the or key to start scanning During the scanning turn the dial or press UP DOWN keys to change the scanning direction Press PTT or keys other than UP DOWN to stop scanning Frequency Scan Channel F...

Page 26: ...keys to select a desired memory channel number While displaying the 444 and a number press key MEN IN appears on the display Two beep is heard and then MEN IN dissapears channel copy completed If ico...

Page 27: ...elect the menu 03 STEP and press the dial Rotate the dial or use 222 UP DOWN keys to select the value from 2 5K 5K 6 25K 10K 12 5K 15K 20K 25K 30K and 50KHz Press PTT to set and exit or press the dial...

Page 28: ...ing the function menu Rotate the dial or use UP DOWN keys to select the menu 07 2T ENC and press the dial Rotate the dial or use 222 UP DOWN keys to select the value from 0 23 total 24 groups If the 2...

Page 29: ...The working of optional signaling shall be work associated with the squelch mode setup Refer to Squelch Mode setup in page 20 NOTE The working of CTCSS DCS decode shall be work associated with the squ...

Page 30: ...key until activating the function menu Rotate the dial or use UP DOWN keys to select the menu 15 DTMF W and press the dial Rotate the dial or use 222 UP DOWN keys to select the DTMF group Press 333 k...

Page 31: ...e 222 UP DOWN keys to select desired setting 1000 1000Hz 1450 1450Hz 1750 1750Hz 2100 2100Hz Press PTT to set and exit or press the dial to set and continue 333 To send the tone press PTT then press d...

Page 32: ...when the PTT key is pressed during the TOT penalty period Press and hold key until activating the function menu Rotate the dial 111 or use UP DOWN keys to select the menu 23 TOTP and press the dial Ro...

Page 33: ...it or press the dial to set and continue Menu 27 TIME OUT TIMER TOT Press and hold 111 key until activating the function menu Rotate the dial or use UP DOWN keys to select themenu No 28 31 menu The LC...

Page 34: ...the dial or use UP DOWN keys to select the menu 34 SCAN and press the dial Rotate the dial or use 222 UP DOWN keys to select the value TIME Pauses 5 seconds to receive the signal and resume scanning...

Page 35: ...ween the transmitting and receiving frequencies for repeater operation is called shift or offset frequnecy Press and hold 111 key until activating the function menu Rotate the dial or use UP DOWN keys...

Page 36: ...until activating the function menu Rotate the dial or use UP DOWN keys to select the menu 43 X RPT Press the dial to display 222 XSTART Press the dial again a beep sounds and 333 displays REP Rotate...

Page 37: ...the dial or use UP DOWN keys to select the menu 50 AUT AM and press the dial Rotate the dial or use 222 UP DOWN keys to select the value 333 ON turn on auto AM function OFF turn off auto AM function...

Page 38: ...ial or use UP DOWN keys to select the menu 54 HND SPK and press the dial Rotate the dial or use 222 UP DOWN keys to select the value HSPKOFF Turn off microphone speaker HSPK ON Turn on microphone spea...

Page 39: ...d continue Menu 64 Password Function When password function is on correct password shall be input after power on The password shall be programmed before using this function Rotate the dial or use 222...

Page 40: ...ing power on current channel is high When LCD displays MID1 the transmitting power on current channel is middle1 When LCD displays MID2 the transmitting power on current channel is middle 2 When LCD d...

Page 41: ...on squelch TBST Transmit tone burst in standby press the key programmed as TBST function to transmit selected tone burst This function is use to wake sleeping repeater CALL OUT Calling in standby pres...

Page 42: ...to slave units It copies the parameters and memory program settings When the Master unit enter clone mode repeater step 3 will be able to clone multi radios If the data is not successfully transmitted...

Page 43: ...pleted open the Device Manager menu of the Windows program to identify the assigned COM port ID of Prolific USB to Serial port Connect the ERW 12 cable to the microphone connector of the DR 638 turn i...

Page 44: ...m speaker Squelch is muted Decrease squelch level Tone or CTCSS DCS squelch is active Turn CTCSS or DCS squelch off e Key and Dial do not function Key lock function is activated Cancel Key lock functi...

Page 45: ...s WxHxD 139 W x40 H x212 D mm Weight about 1 15kg 11 Receiver ETSI EN 300 068 Wide band Narrow band Sensitivity 12dB SINAD 0 25 V 0 35 V Adjacent Channel Selectivity 70dB 60dB Audio Response 1 3dB 0 3...

Page 46: ...067 070 071 072 073 074 075 076 077 100 101 102 103 104 105 106 107 110 111 112 113 114 115 116 117 120 121 122 123 124 125 126 127 130 131 132 133 134 135 136 137 140 141 142 143 144 145 146 147 150...

Page 47: ...535 536 537 540 541 542 543 544 545 546 547 550 551 552 553 554 555 556 557 560 561 562 563 564 565 566 567 570 571 572 573 574 575 576 577 600 601 602 603 604 605 606 607 610 611 612 613 614 615 616...

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