Related Manuals for Icom IC-A4
Summary of Contents for Icom IC-A4
- Page 1 INSTRUCTION MANUAL VHF AIR BAND TRANSCEIVER This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference.
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Page 2: Foreword
If disregarded, inconvenience only. No risk NOTE of personal injury, fire or electric shock. FCC caution: Changes or modifications to this transceiver, not expressly approved by Icom Inc., could void your authority to operate this transceiver under FCC regulations. CAUTIONS R WARNING! NEVER... -
Page 3: Supplied Accessories
–10°C or above +60°C. The use of non-Icom battery packs/chargers may impair transceiver performance and invalidate the warranty. Even when the transceiver power is OFF, a slight current still flows in the circuits. -
Page 4: Table Of Contents
TABLE OF CONTENTS FOREWORD ... i EXPLICIT DEFINITIONS ... i CAUTIONS ... i SUPPLIED ACCESSORIES... ii TABLE OF CONTENTS ... iii 1 ACCESSORY ATTACHMENT ... 1 2 PANEL DESCRIPTION ... 2 – 4 I Panel description ... 2 – 3 I Function display ... -
Page 5: 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 from dust and moisture. -
Page 6: Panel Description
PANEL DESCRIPTION I 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) ➥... - Page 7 ➥When memory mode is selected, this switch sets the dis- played channel as a scan lock-out channel when pushed for 2 sec. (p. 8) - “SKIP” appears on the display. i SQUELCH SWITCH [SQL] ➥ Push and hold to open the squelch. (p. 6) ➥...
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Page 8: Panel Description ............................................ 2
PANEL DESCRIPTION I 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. ➥... -
Page 9: Basic Operation
I Receiving and transmitting CAUTION: Transmitting without an antenna may dam- age the transceiver. q Rotate [VOL] clockwise to turn power ON, then set to the 10 o’clock position. w Push [V/M] to select memory mode or VFO mode. e Select the desired memory channel or VFO frequency with the [Y]/[Z] keys. -
Page 10: I Setting Squelch Level
BASIC OPERATION I Setting squelch level The transceiver has a noise squelch circuit to mute undesired noise while receiving no signal. ➥ To open the squelch: Push and hold [SQL] to open the squelch. This is useful to listen to weak signals that do not open the squelch. - “BUSY”... -
Page 11: Basic Operation ................................................ 5
I Dial select function Use the dial select function to adjust the tuning behavior of the [Y]/[Z] keys—use 1 MHz tuning when you want to change the frequency in large increments; use regular tuning when you want to change the frequency in smaller incre- ments. -
Page 12: Scan Operation
SCAN OPERATION I Memory (lockout) scan Memory scan repeatedly scans all programmed memory channels, 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] again to stop the scan. -
Page 13: Memory Programming
I Programming a memory channel The transceiver has 19 memory channels for storage of often -used frequencies. q Push [V/M] to select VFO mode, 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 select function, if desired. -
Page 14: I Memory Names
MEMORY PROGRAMMING I 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. •... -
Page 15: Other Functions
I Initial set mode Initial set mode is accessed at power ON and allows you to set seldom-changed settings, in this way you can “customize” transceiver operations to suit your preferences and operating style. D Entering initial set mode q While pushing [V/M] + [ ], turn power ON. -
Page 16: Battery Packs
BATTERY PACKS I Charging precautions NEVER attempt to charge dry cell bat- teries. This will cause internal liquid leakage and damage the battery case and 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 Attach the battery pack to the transceiver. w Be sure to turn the transceiver power OFF. e Connect the AC adapter (BC-110A/D/V) or optional cable (CP-12L or OPC-254L) as shown below. • Charging periods: 10 hours (w/BP-195) IC-A4 with attached battery case (pack) Charge indicator...
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Page 18: Iabout The Battery Pack
BATTERY PACKS IAbout the battery pack D Operating period Depending on the attached battery pack, the operating period of the transceiver varies. Refer to the last page for battery pack specifications. D Battery pack life If your battery pack seems to have no capacity even after being fully charged, completely discharge it by leaving the power ON overnight. -
Page 19: Cloning
Cloning allows you to quickly and easyly transfer the programmed contents from one transceiver to another transceiver, or, data from PC to a transceiver using the optional EX-2119 cloning software. D Transceiver to transceiver cloning q Connect the OPC-474 with adapter plugs to CLONING CABLE the [SP] jack of the master and slave transceivers. -
Page 20: Troubleshooting
TROUBLESHOOTING If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center. PROBLEM No power comes on. No sound comes from the speaker. Transmitting impossible. The displayed channel cannot be selected. Scan does not start. No beep sounds. -
Page 21: Specifications
D General • Frequency coverage : TX 118 to 136.975 MHz 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) •... -
Page 22: Options
OPTIONS D Battery packs × n i l s l l Operating periods are calibrated for the following conditions: at 25°C (77°F), Tx (high power) : Rx : standby = 5 : 5 : 90 When Ni-Cd batteries are installed. D Other options BC-110A/D/V WALL CHARGER... - Page 23 When using an optional headset, such as those from the David Clark Co. via the adapter the transceiver outputs your transmitted voice to the headset for monitoring. (pgs. 6, 11) IC-A4 Clip the cable to the handstrap loop on the beltclip for sup- port.
- Page 24 Count on us! A-5490H-1US Printed in Japan 6-9-16 Kamihigashi, Hirano-ku, Osaka 547 Japan Copyright 1997 Icom Inc.