Page 2 - FOREWORD; READ ALL INSTRUCTIONS; EXPLICIT DEFINITIONS; NEVER; WORD; NOTE
i FOREWORD READ ALL INSTRUCTIONS carefully and completely before using the transceiver. SAVE THIS INSTRUCTION MANUAL — This in- struction manual contains important operating instructions forthe IC-A4. EXPLICIT DEFINITIONS The explicit definitions below apply to this instruction manual. CAUTIONS R WA...
Page 3 - SUPPLIED ACCESSORIES; Accessories included with the transceiver:
ii DO NOT push the PTT when not actually desiring to trans- mit. DO NOT allow children to play with any radio equipment containing a transmitter. DO NOT operate the transceiver near unshielded electrical blasting caps or in an explosive atmosphere. AVOID using or placing the transceiver in direct su...
Page 4 - TABLE OF CONTENTS
FOREWORD ........................................................................ iEXPLICIT DEFINITIONS ..................................................... iCAUTIONS .......................................................................... iSUPPLIED ACCESSORIES.......................................
Page 5 - ACCESSORY ATTACHMENT; Antenna; Keep; Battery pack replacement
1 1 ACCESSORY ATTACHMENT D Antenna CAUTION: Transmitting without an antenna may damage the transceiver. Insert the supplied antenna into the an-tenna connector and screw down the an-tenna as shown at right. Keep the jack cover attached when jacks are not in use to avoid bad contacts fromdust and moi...
Page 6 - Panel description; PANEL DESCRIPTION
■ Panel description q VOLUME CONTROLS [VOL] (p. 5) Turns power ON and adjusts the audio level. w PTT SWITCH [PTT] (p. 5) Push and hold to transmit; release to receive. e CHANNEL UP/DOWN SWITCHES [ Y ]/[ Z ] ➥ Push to select the operating channel or frequency. (p. 5) ➥ Select item conditions in set m...
Page 7 - FUNCTION DISPLAY; ANTENNA CONNECTOR
3 2 PANEL DESCRIPTION ➥ When memory mode is selected, this switch sets the dis-played channel as a scan lock-out channel when pushedfor 2 sec. (p. 8) - “SKIP” appears on the display. i SQUELCH SWITCH [SQL] ➥ Push and hold to open the squelch. (p. 6) ➥ While pushing [SQL], push [ Y ]/[ Z ] to select ...
Page 8 - Function display; S K I P
4 2 PANEL DESCRIPTION ■ Function display q MEMORY MODE INDICATOR (p. 9) Appears when memory mode is selected. w LOCK INDICATOR (p. 6) Indicates that the lock function is in use. e LOW BATTERY INDICATOR ➥ Appears when the battery is nearing exhaustion. ➥ Appears and flashes when battery replacement i...
Page 9 - BASIC OPERATION; Receiving and transmitting; Memory
5 3 BASIC OPERATION ■ Receiving and transmitting CAUTION: Transmitting without an antenna may dam- age the transceiver. q Rotate [VOL] clockwise to turn power ON, then set to the10 o’clock position. w Push [V/M] to select memory mode or VFO mode. e Select the desired memory channel or VFO frequency ...
Page 10 - Setting squelch level; To close the squelch:; Setting the squelch level; Side tone function; Lock function
6 3 BASIC OPERATION ■ Setting squelch level The transceiver has a noise squelch circuit to mute undesirednoise while receiving no signal. ➥ To open the squelch: Push and hold [SQL] to open the squelch. This is useful tolisten to weak signals that do not open the squelch. - “ BUSY ” appears on the di...
Page 11 - Dial select function
7 3 BASIC OPERATION ■ Dial select function Use the dial select function to adjust the tuning behavior ofthe [ Y ]/[ Z ] keys—use 1 MHz tuning when you want to change the frequency in large increments; use regular tuningwhen you want to change the frequency in smaller incre-ments. q Push [V/M] to sel...
Page 12 - SCAN OPERATION; Scan resume condition
8 4 SCAN OPERATION ■ Memory (lockout) scan Memory scan repeatedly scans all programmed memorychannels, except those set as lockout channels. q Push [V/M] to select memory mode, if necessary. • “ ” appears. w Puch [SCAN] to start scan. - To change the scan direction, push [ Y ] or [ Z ]. e Push [SCAN...
Page 13 - MEMORY PROGRAMMING; Setting lockout channels
9 5 MEMORY PROGRAMMING ■ Programming a memorychannel The transceiver has 19 memory channels for storage of often-used frequencies. q Push [V/M] to select VFOmode, if necessary. w Push [ Y ] or [ Z ] key to select the desired frequency. • Push [V/M] key one or more times to use the dial selectfunctio...
Page 14 - Memory names; Programming memory names
10 5 MEMORY PROGRAMMING ■ Memory names ï Programming memory names q Select the memory channel to be programmed: ➥ Push [V/M] to select memory mode. ➥ Push [ Y ] or [ Z ] to select the memory channel. w Push [M/W] for 5 sec. to enter memory name writing mode. • The first character of the name flashes...
Page 15 - OTHER FUNCTIONS; Initial set mode; Entering initial set mode; Resetting the CPU
11 6 OTHER FUNCTIONS ■ Initial set mode Initial set mode is accessed at power ON and allows you toset seldom-changed settings, in this way you can “customize”transceiver operations to suit your preferences and operatingstyle. D Entering initial set mode q While pushing [V/M] + [ ], turn power ON. • ...
Page 16 - Rapid charging with the BC-119; BATTERY PACKS
■ Chargingprecautions NEVER attempt to charge dry cell bat- teries. This will cause internal liquidleakage and damage the battery caseand transceiver. NEVER connect two or more chargers at the same time. Charging may not occur under temper-atures of 10°C (50°F) or over tempera-tures of 40°C (104°F)....
Page 17 - Multiple charging with the BC-121
13 7 BATTERY PACKS D Multiple charging with the BC-121 The optional BC-121 allows up to 6 battery packs to becharged simultaneously. Six AD-81’s and an AC adapter (may be supplied with theBC-121 depending on version) are additionally required. • Charging periods: 1.5 hours (w/BP-195) 2 hours (w/BP-1...
Page 18 - About the battery pack; Operating period
14 7 BATTERY PACKS ■ About the battery pack D Operating period Depending on the attached battery pack, the operating periodof the transceiver varies. Refer to the last page for batterypack specifications. D Battery pack life If your battery pack seems to have no capacity even afterbeing fully charge...
Page 19 - CLONING; Transceiver to transceiver cloning; Cloning using PC; Cloning error
CLONING 15 8 Cloning allows you to quickly and easylytransfer the programmed contents fromone transceiver to another transceiver, or,data from PC to a transceiver using the optional EX-2119cloning software. D Transceiver to transceiver cloning q Connect the OPC-474 CLONING CABLE with adapter plugs t...
Page 20 - TROUBLESHOOTING; POSSIBLE CAUSE
16 9 TROUBLESHOOTING If your transceiver seems to be malfunctioning, please checkthe following points before sending it to a service center. POSSIBLE CAUSE SOLUTION REF. No power comes on. • The battery is exhausted. • Bad connection to the battery pack. • Recharge the battery pack.• Check the conne...
Page 21 - SPECIFICATIONS; General
17 10 SPECIFICATIONS D General • Frequency coverage : TX 118 to 136.975 MHz RX 108 to 136.975 MHz • Mode : AM (6K00A3E) • Number of memory channels : 19• Acceptable power supply : 9.6 V DC nominal (negative ground) (authorized battery packs) • Usable temp. range : –10˚C to +50˚C • Frequency stabilit...
Page 22 - OPTIONS; Battery packs
18 11 OPTIONS D Battery packs 1 Operating periods are calibrated for the following conditions: at 25°C (77°F), Tx (high power) : Rx : standby = 5 : 5 : 90 * 2 When Ni-Cd batteries are installed. D Other options BC-110A/D/V WALL CHARGER Used for regular charging of the connected battery pack. BC-119 ...
Page 23 - PTT switch
OPTIONS 19 11 D OPC-752 ( HEADSET ADAPTER) connection When using an optional headset, such as those from theDavid Clark Co. via the adapter , the transceiver outputs your transmitted voice to the headset for monitoring. (pgs. 6, 11) PTT switch Use a PTT switchwith a 3.5 mm diame-ter plug, if require...
