Icom IC-A24 Instruction Manual
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Icom IC-A24 Instruction Manual

Vhf air band transceiver
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INSTRUCTION MANUAL
VHF AIR BAND TRANSCEIVER
iA24
iA6
This device complies with Part 15 of the FCC
Rules. Operation is subject to the condition
that this device does not cause harmful inter-
ference.
IC-A24
IC-A6

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Summary of Contents for Icom IC-A24

  • Page 1 INSTRUCTION MANUAL VHF AIR BAND TRANSCEIVER iA24 This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful inter- ference. IC-A24 IC-A6...

  • Page 2: Safety Training Information

    The radio is transmitting This radio has been evaluated for compliance at the distance of 2.5 cm with the FCC RF exposure limits for “Occupational Use Only”. In addition, your Icom when “ ” appears on the function display. You can cause the radio to radio complies with the following Standards and Guidelines with regard to RF transmit by pressing the “PTT”...

  • Page 3: Foreword

    FOREWORD SUPPLIED ACCESSORIES Thank you for purchasing this Icom product. The IC-A24/A6 Accessories included with the transceiver: Qty. q Antenna ................1 VHF AIR BAND TRANSCEIVER is designed and built with w Belt clip ................1 Icom’s state of the art technology and craftsmanship. With e Handstrap ...............
  • Page 4 FCC caution: Changes or modifications to this transceiver, not ruined. expressly approved by Icom Inc., could void your authority to operate this transceiver under FCC regulations. (U.S.A. only) NEVER short the terminals of the battery pack. Also, cur- rent may flow into nearby metal objects, such as a necklace,...

  • Page 5: Table Of Contents

    (U.S.A. version only) I Panel description ..............1 I “TAG” channels ..............17 I Function display ..............5 6 VOR NAVIGATION (IC-A24 only) ........18 – 24 I VOR indications ..............18 2 ACCESSORY ATTACHMENT ..........7 I VOR functions ..............19 3 BASIC OPERATION ............

  • Page 6: Panel Description

    PANEL DESCRIPTION I Panel description IC-A24 WX-ALERT IC-A6 WX-ALERT Microphone Speaker...
  • Page 7 PANEL DESCRIPTION q BACKLIGHT SWITCH [LIGHT] u SQUELCH KEY [SQL• ] (p. 8) WX-ALERT ➥ Push [SQL• Turns the backlight for display and keypad ON or OFF. ], then rotate [DIAL] to se- WX-ALERT lect the squelch level. w PTT SWITCH [PTT] (p. 9) •...
  • Page 8 • BE CAREFUL not to cut or fray the CP-20’s scan function. power cable when disconnecting/connecting IC-A24/A6 the CP-20 from/to the cigarette lighter socket. !3 EMERGENCY KEY [121.5 MHz] (p. 11) CP-20 (for 11 24 V) Push for 2 sec. to select the 121.5 MHz emergency (optional) frequency.
  • Page 9 ] to change the FROM course indicator characteristics to “FROM” flag in the DVOR display in NAV band. (p. 19)* These functions available on the IC-A24 only. ➥ Corrects the deviation while using “FROM” flag.* Push , then push [4•...

  • Page 10: I Function Display

    RX INDICATOR (p. 9) Appears when receiving a signal or when the squelch opens. r DUPLEX INDICATOR (IC-A24 only) (p. 24) ➥“DUP” appears when the duplex function is activated in NAV mode. ➥“DUP” blinks while setting the duplex frequency.

  • Page 11: Panel Description

    PANEL DESCRIPTION i TAG CHANNEL INDICATOR (p. 17) !4 COURSE INDICATORS (IC-A24 only) (p. 19) ➥ Indicates where your aircraft is located on a VOR radial “ ” appears when the selected memory channel is set as a TAG channel.

  • Page 12: Accessory Attachment

    ACCESSORY ATTACHMENT D Antenna D Belt clip CAUTION: DO NOT transmit without an antenna. Other- Conveniently attaches to your belt. wise the transceiver may be damaged. Attach the belt clip with the supplied screws as below. NOTE: Use the supplied screws only. Insert the supplied antenna into the antenna connector and screw down the antenna as shown below.

  • Page 13: Basic Operation

    BASIC OPERATION I Setting a frequency I Setting a squelch level ï Using keypad The transceiver has a noise squelch circuit to mute undesired q Push [PWR] for 2 sec. to turn power ON, then push noise while receiving no signal. q Push [SQL•...

  • Page 14: I Receiving

    BASIC OPERATION I Receiving I Transmitting q Push [PWR] for 2 sec. to turn the power ON. CAUTION: Transmitting without an antenna may damage w Push [SQL• ], then rotate [DIAL] counterclock- WX-ALERT the transceiver. wise to select the squelch level 0. e Rotate [VOL] to adjust the audio level.

  • Page 15: I Low Battery Indicator

    BASIC OPERATION I Low battery indicator D Deletes the stored recall channel q Push to select the deleting recall channel. w Push Low battery indicator Low battery indicator appears , then push [CLR• ] for 2 sec. to delete it. •...

  • Page 16: I Setting Weather Alert Function

    NEVER operate the transceiver with a headset at high vol- ume levels for long period. A ringing in your ears may The IC-A24 and IC-A6 can set to the 121.5 MHz emergency occur. If so, reduce the monitor level or discontinue use.

  • Page 17: Memory Operation

    MEMORY OPERATION I Memory channel selection I Transferring memory contents The transceiver has 200 memory channels for storage of often-used frequencies along with 6-character notes. This function transfers a memory channel’s contents into the frequency mode. This is useful when searching for signals q Push [MR•...

  • Page 18: I Programming A Memory Channel

    MEMORY OPERATION I Programming a memory • EXAMPLE: Programming WX-05* into memory BANK 3/ memory channel 9. channel Push Push The transceiver has 200 (20 CH × 10 BANK) memory chan- nels for storage of often-used frequencies. q Push [CLR• ] to select the frequency mode, if neces- sary.

  • Page 19: I Memory Names

    MEMORY OPERATION I Memory names ï Programming memory names Character Character Key Character 1, Q, Z 2, A, B, C 3, D, E, F The memory channel can display a 6-character names in- stead of the programmed frequency. 4, G, H, I 5, J, K, L 6, M, N, O 7, P, R, S...

  • Page 20: Memory Operation

    MEMORY OPERATION • EXAMPLE: Programming 125.000 MHz into memory BANK 1/ memory channel 17 with “AIR-23” as a comment. Push Push Push Push Push Push Push Push Push Push NOTE: Push , then push [0• ], and then rotate BANK [DIAL] to select the BANK number, if desired.

  • Page 21: Scan Operation

    SCAN OPERATION I Scan types I COM band scan q Push [CLR•DEL] to select the frequency mode. The U.S.A. version has 3 scan types to suit your needs. The w Push [SQL• non-U.S.A. versions have 2 scan types. ], then rotate [DIAL] to set the WX-ALERT squelch level to the point where noise is just muted.

  • Page 22: I Weather Channel Scan (U.s.a. Version Only)

    SCAN OPERATION I Weather channel scan I “TAG” channel setting (U.S.A. version only) Memory and weather channels* can be specified to be skipped for the memory and weather channel* scans respec- q Push , then push [ENT• ] to select a weather chan- tively.

  • Page 23: Vor Navigation (Ic-A24 Only)

    DVOR MODE To-from flag Course indicator indicator Push [F] then [1 Push [F] then [4 DVOR CDI MODE General VOR equipment Function display of the IC-A24 Course indicator To-from flag indicator FROM To-from flag indicator Two-degree deviation Course marks indicator...

  • Page 24: I Vor Functions

    • When using the ‘TO’ flag and passing through the VOR station, When entering the NAV band, 108.000–117.975 MHz, the the ‘TO’ flag changes to the ‘FROM’ flag automatically. IC-A24 selects the DVOR mode automatically. • When turning power ON, the ‘FROM’ flag is selected automati- cally.

  • Page 25: I Flying To A Vor Station

    VOR station. • ‘Ω’ or ‘≈’ appears to indicate your aircraft is off course to the right The IC-A24 shows the deviation from a VOR station. or left, respectively. Correct your course until ‘Ω’ or ‘≈’ disap- pears.
  • Page 26 VOR NAVIGATION (IC-A24 ONLY) 330 340 310 320 123.65 Magnetic THE AIRCRAFT IS ON COURSE VORTAC north SEATTLE 116.8 Ch 115 SEA station 330 340 310 320 123.65 Magnetic THE AIRCRAFT IS OFF COURSE VORTAC north SEATTLE 116.8 Ch 115 SEA...

  • Page 27: I Entering A Desired Course

    I Crosschecking position q Select 2 VOR stations on your aeronautical chart. The IC-A24 shows not only the deviation from the VOR sta- w Push the keypad or rotate [DIAL] to set the frequency of tion but the deviation from the desired course.
  • Page 28 VOR NAVIGATION (IC-A24 ONLY) EXAMPLE: Entering the desired course bearing 65° to a VOR station. CROSSCHECKING POSITION 123.65 VORTAC VORTAC OLYMPIA SEATTLE 330 340 330 340 310 320 310 320 113.4 Ch 81 OLM 116.8 Ch 115 SEA Magnetic north...

  • Page 29: I Duplex Operation (U.s.a. Version Only)

    VOR NAVIGATION (IC-A24 ONLY) I Duplex operation D Operating the duplex function q Set the desired frequency in NAV band. (U.S.A. version only) • NAV band frequency range: 108.00–117.975 MHz w Push , then push [6• ] to turn the duplex function The duplex function allows you to call a flight service station...

  • Page 30: Battery Packs

    BATTERY PACKS I Battery charging I Battery cautions CAUTION! NEVER Prior to using the transceiver for the first time, the battery insert battery pack/transceiver pack must be fully charged for optimum life and operation. (with the battery pack attached) with wet or soiled into the charger.

  • Page 31: I Optional Battery Case

    R CAUTION ! batteries together. • DO NOT modify the CP-20. A modifica- • Keep battery contacts clean. It’s a good idea to clean bat- IC-A24/A6 with tion could cause a fire or electrocution. tery terminals once a week. attached battery pack •...

  • Page 32: I Optional Battery Chargers

    NOTE: Attach the spacer (Spacer B/C) to the adapter (Spacer A) NOTE: Attach the spacer (Spacer B/C) to the adapter (Spacer A) with orientation as illustrated below. with orientation as illustrated below. IC-A24/A6 Turn power OFF Check orientation IC-A24/A6 Turn power OFF...

  • Page 33: Cloning

    CLONING Cloning allows you to quickly and easily transfer the NOTE: DO NOT transfer the data from IC-A24 to IC-A6, programmed data from one transceiver to another when the data contains the NAV band data. In such case, transceiver, or, data from PC to a transceiver using the cloning error may occur.

  • Page 34: Troubleshooting

    TROUBLESHOOTING If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center. PROBLEM POSSIBLE CAUSE SOLUTION REF. No power comes on. • The battery is exhausted. • Recharge the battery pack. pgs. 25–27 •...

  • Page 35: Specifications

    1.5 W* (1.0 W* ) (CW) typical • Modulation : Low level modulation : IC-A24 only. (IC-A6 frequency coverage is from 118.000 to 136.975 MHz.) • Modulation limiting : 70 to 100%* (85 to 95%* : U.S.A. version only. * : Except Australia version.

  • Page 36: Options

    CIGARETTE LIGHTER CABLE ➥Charges the battery pack through a cigarette lighter socket*. • BC-110AR/DR/V WALL CHARGER ➥Operates IC-A24/A6 through a cigarette lighter socket*. The same as supplied with the transceiver. •BC-119N + AD-101 *Both 12 V and 24 V batteries are available.

  • Page 37: Quick Reference

    QUICK REFERENCE Important operating instructions are summed up in this and the following page for your simple reference. By cutting along the line and folding on the dotted line, it will become a card sized operating guide which can easily be carried in a card case or wallet, etc.

  • Page 38: Quick Reference

    QUICK REFERENCE...

  • Page 39: Optional Headset Connection

    3.5 mm ( 1 / 8 ") diameter plug, if required. OPC-499 HEADSET (Must be purchased separately) NOTICE! Some headsets do not work properly when used with the IC-A24/A6. IC-A24/A6 Therefore, ask your dealer for details about headsets compatible for operation with the IC-A24/A6 with the headset.
  • Page 40 A-6403D-1EX-t Printed in Japan © 2004–2007 Icom Inc. 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan Printed on recycled paper with soy ink.

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