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Icom IC-4088A Instruction Manual

Frs uhf fm transceiver
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INSTRUCTION MANUAL
FRS UHF FM TRANSCEIVER
i4088A
This device complies with Part 15 of the FCC rules. Oper-
ation is subject to the following two conditions: (1) This de-
vice may not cause harmful interference, and (2) this
device must accept any interference received, including in-
terference that may cause undesired operation.

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  • Page 1 INSTRUCTION MANUAL FRS UHF FM TRANSCEIVER i4088A This device complies with Part 15 of the FCC rules. Oper- ation is subject to the following two conditions: (1) This de- vice may not cause harmful interference, and (2) this device must accept any interference received, including in- terference that may cause undesired operation.
  • Page 2 FOREWORD Thank you for purchasing the IC-4088A FRS FM transceiver. This FRS (Family Radio Service) FM transceiver meets the FCC regulation (FCC Part 95). This transceiver is designed for those who require top-grade quality, performance and outstanding re- liability under the most demanding conditions.

  • Page 3: Supplied Accessory

    I WATER-RESISTANT* CONSTRUCTION Water-resistant* construction is employed, and this unit can be used in a wide range of applications. *Meets JIS water-protection specification grade 4 I GROUP MODE (BUILT-IN CTCSS: CTCSS encoder/decoder are standard, providing quiet stand-by. Audio (voice) signals are output only when a signal with matched CTCSS tone signal is received.

  • Page 4: Important

    IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. SAVE THIS INSTRUCTION MANUAL— This instruction man- ual contains important operating instructions for the transceiver. PRECAUTION RDANGER! NEVER operate the transceiver near un- shielded electrical blasting caps or in an explosive atmosphere. RWARNING! NEVER hold the transceiver so that the antenna is very close to, or touching exposed parts of the body,...
  • Page 5 PRECAUTION— the optional AC adapter or cigarette lighter cable only for both operating the transceiver and charging the battery. Other manufacturer’s AC adapter, cigarette lighter cable or DC power cable with external power supply may damage the transceiver. Place the unit in a secure place to avoid inadvertent use by chil- dren.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS FOREWORD …………………………………………………………………… i SUPPLIED ACCESSORY ……………………………………………………… ii IMPORTANT …………………………………………………………………… iii PRECAUTION ……………………………………………………………… iii–iv TABLE OF CONTENTS ……………………………………………………… v 1 PREPARATION …………………………………………………………… 1 I Belt clip attachment ……………………………………………………… 1 I Battery installation ……………………………………………………… 1 2 PANEL DESCRIPTION ………………………………………………… 2–4 I Switches, controls, keys and connectors ………………………………...

  • Page 7: Preparation

    I Belt clip attachment Attach the belt clip using the supplied screw. Conveniently attaches to a belt. I Battery installation Install 3 R6 (AA) size alkaline cell batteries or the optional BP-202 as illustrated below. BATTERY PACK q Remove the battery case cover from the transceiver.

  • Page 8: Panel Description

    PANEL DESCRIPTION I Switches, controls, keys and connectors Antenna Function display (p. 4) Microphone Speaker...
  • Page 9 q EXTERNAL SPEAKER AND MICROPHONE JACKS Connect an optional speaker-microphone or headset, if desired. w VOLUME CONTROL [VOL] Rotate clockwise to increase and counterclockwise to decrease volume. e PTT SWITCH [PTT] Push and hold to transmit; release to receive. r MODE SWITCH [MODE] ➥...

  • Page 10: I Function Display

    PANEL DESCRIPTION I Function display q KEY LOCK INDICATOR Appears during the key lock function ON. w BUSY INDICATOR Appears while receiving a signal or when the squelch is open. e VOICE SCRAMBLER INDICATOR Appears while the voice scrambler function is in use. r AUTO POWER OFF INDICATOR Appears while the auto power off function is ON.

  • Page 11: Battery Charging

    AVOID over charging— The BP-202 can be charged during oper- ation when the AC adapter or the optional cigarette lighter cable is connected. To prevent over charging, the IC-4088A has charging timer that automatically disconnecting the charging line electroni- cally after 15 hours from charging. However, the charging timer will reset and start charging again when disconnect then re-connecting the AC adapter or CP-18A more than 1 min.

  • Page 12: I Charging Connections

    BATTERY CHARGING I Charging connections Regular charging with the BC-149A, CP-18A ➥ Connect the optional BC-149A LIGHTER CABLE • Charging period: approx. 15 hours IMPORTANT!: Use the BC-149A or CP-18A ONLY. Other type of AC adapter, cigarette lighter cable or DC power cable with an external power supply may damage the transceiver.
  • Page 13 Insert the optional AD-105 charging slot of the BC-119N. w Insert the battery pack, either by itself or attached to the trans- ceiver, into the charger. IC-4088A Turn the power OFF! When the installed Ni-Cd battery is nearly exhausted...

  • Page 14: Basic Operation

    BASIC OPERATION I Power ON ➥ Push [PWR] for 1 sec. to turn the power ON. • “ ” and operating channel num- ber appear on the display. I Adjusting the volume q Push and hold [MODE] for 1 sec. to open the squelch (monitor function ON).

  • Page 15: I Selecting The Operating Channel

    I Selecting the operating channel Push [Y] or [Z] keys several times until the desired operating channel number appears on the display. • While pushing and holding [Y] or [Z] keys, the displayed channel changes continuously until chan- nel number “1” appears. To keep the automatic selection, release the [Y] or [Z] keys then push and hold them again.

  • Page 16: Receive And Transmit

    RECEIVE AND TRANSMIT q Select the desired operating channel with [Y]/[Z]. When a signal is received: • “ ” indicator appears on the display. • Squelch opens and audio is emitted from the speaker. - Further adjustment of [VOL] may be necessary at this point. w Push and hold [PTT] to transmit then speak into the microphone.
  • Page 17 ✔ Talk Range The IC-4088A is designed to maximize performance and improve transmission range in the field. However, the single most impor- tant factor in transmit range (talk power) is the surrounding envi- ronment. These radios are “line of sight” radios and as such, transmission range are influenced by the degree to which you can “see”...

  • Page 18: Group Mode (Ctcss)

    GROUP MODE (CTCSS) I Setting the group code The IC-4088A is equipped with 38 group codes. Group mode oper- ation provides communication with silent standby since you will only receive calls from group members using the same group number. First of all, set the same group code number for all group member’s transceivers.
  • Page 19 Note that CTCSS group mode is not pri- vate—anyone can receive your calls. The IC-4088A is equipped with 38 tone codes for CTCSS GROUP MODE use. Selecting a code applies it to all 14 operating chan- nels.

  • Page 20: Scan Function

    SCAN FUNCTION Scanning is an efficient way to locate signals quickly over all chan- nels. Select scan resume condition in advance, using Initial Set Mode (p. 17) CH 14 D Starting the scan ➥ While pushing [Y], push [Z] to start the scan.

  • Page 21: Ring Functions

    I Smart-Ring The ring function has an answer back feature. This allows confir- mation of whether or not a call has reached the receiving party even if the operator is temporarily away from the transceiver. q Set the same group channel number for all of the group transceivers.

  • Page 22: Other Functions

    OTHER FUNCTIONS I Voice scrambler function The voice scrambler function provides communication privacy. q Push [MODE] twice to select voice scram- bler setting mode. • “Sr-” appears on the display. w Push [Y]/[Z] to turn the function ON and OFF. •...
  • Page 23 D Beep tones ON/OFF Confirmation beep tones normally sound when a key is pushed. These can be turned ON or OFF. ON (on) : Emits confirmation beep. OFF (oF) : No confirmation beep. D D Scan resume type Select the scan resume type from timer scan and pause scan.
  • Page 24 Ring tone is selectable with 10 different indi- vidual sounds. D D LCD backlight The IC-4088A has LCD backlight light for nighttime operation, and the lighting condition can be selected to suits a specific preference, from Auto, ON and OFF.

  • Page 25: I Lock Function

    I Lock function This function electronically locks all keys and switches to prevent accidental channel changes and function access. ➥ Continue to hold [PWR] down for 2 sec. after power ON to turn the lock function ON and OFF. • “ ”...

  • Page 26: I Ats (Automatic Transponder System)

    NOTE: Above setting is for the calling station only. A called party automatically sends an answer back signal without any preset- tings. All IC-4088A’s operating on the same operating channel will answer back to the call in the surroundings communications area.

  • Page 27: I Optional Hm-75A Functions

    I Optional HM-75A functions The optional HM-75A allows remotely selected operating channels, open the squelch, etc. The switches on the HM-75A function as fol- lows. CAUTION: When connecting the HM-75A to the transceiver, make sure that power to the transceiver is turned OFF, other- wise the transceiver may malfunction.

  • Page 28: Specifications

    SPECIFICATIONS GENERAL • Frequency coverage • No. of operating Ch. • Mode • Frequency stability • Channel separation • Power supply requirement : 3 AA (R6) alkaline, BP-202, BC-149A (negative ground) • Current drain • Operating temp. range • No. of CTCSS freq. •...
  • Page 29 D Channel number and group number Use this page to record a group operating channel number (see p. 9) and group code number (p. 12) for your reference. Operating channel number Group code number ï Channel frequency list Freq.(MHz) 462.5625 462.5875 462.6125 462.6375...

  • Page 30: Options

    OPTIONS BP-202 Ni-Cd BATTERY PACK 3.6V/700 mAh Ni-Cd battery pack. BC-119N DESKTOP CHARGER Rapidly charges battery pack in 1 to 1.5 hrs. An AC adapter is packed with the BC-119N. The AD-105 must be used with the BC-119N for charging the battery pack.

  • Page 31: Memo

    MEMO...
  • Page 32 A-6274D-1US-w Printed in Japan 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan © 2003 Icom Inc.

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