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

Vhf air band transceiver
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See also: Service Manual , Operating Manual
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: Foreword

    FOREWORD SUPPLIED ACCESSORIES Accessories included with the transceiver: Qty. Thank you for purchasing this Icom product. The IC-A24/A6 VHF AIR BAND TRANSCEIVER is designed and built with q Antenna ................1 Icom’s state of the art technology and craftsmanship. With w Belt clip ................

  • Page 3: Precaution

    CAUTION: NEVER connect the transceiver to an AC Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorpo- outlet or to a power source of more than 11.5 V DC. Such a rated (Japan) in Japan, the United States, the United Kingdom, Germany, connection will damage the transceiver.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS ..............iii Weather channel scan (U.S.A. version only) ......17 ■ “TAG” channel setting ............17 1 ACCESSORY ATTACHMENT ............1 ■ 6 VOR NAVIGATION (IC-A24 ONLY) ........18–24 2 PANEL DESCRIPTION ............2–7 VOR indicators ..............18 ■ Panel description ..............2 ■...

  • Page 5: Accessory Attachment

    ACCESSORY ATTACHMENT ï Antenna ï Belt clip CAUTION: DO NOT Conveniently attaches to your belt. transmit without an antenna. Other- 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 6: Panel Description

    PANEL DESCRIPTION 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. 9) WX-ALERT Turns the backlight for display and keypad ON or OFF. ➥ Push [SQL• ], then rotate [DIAL] to WX-ALERT select the squelch level. w PTT SWITCH [PTT] (p. 9) •...
  • Page 8 CP-20’s power cable ➥ Push , then push [ANL• ] to start the SCAN IC-A24/A6 when disconnecting/connecting the CP-20 from/to the cigarette lighter socket. scan function. !3 EMERGENCY KEY [121.5 MHz] (p. 11) CP-20 (for 11 24 V) Push for 2 seconds to select the 121.5 MHz emer-...
  • Page 9 ➥ Push , then push [3• ] to change the FROM These functions are available on the IC-A24 only. course indicator characteristics to a “FROM” flag in the DVOR display in the NAV band. (p. 19)* ➥ Corrects the deviation while using the “FROM”...

  • Page 10: 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 the NAV mode. ➥“DUP” blinks while setting the duplex frequency.

  • Page 11: Panel Description

    2 degrees. [NOTE] When you set the IC-A24/A6’s channel spacing to !4 COURSE INDICATORS (IC-A24 only) (p. 19) 8.33 kHz, the displayed frequency is different from the ac- ➥ Indicates where your aircraft is located on a VOR radial tual operating frequency.

  • Page 12: Basic Operation

    BASIC OPERATION Setting a frequency ■ ï Using keypad ï Using the tuning dial q Push [PWR] for 2 seconds to turn power ON, then push q Push [PWR] for 2 seconds to turn power ON, then push [CLR• ] to select the frequency mode when memory [CLR•...

  • Page 13: Receiving

    BASIC OPERATION Receiving Setting a squelch level ■ ■ q Push [PWR] for 2 seconds to turn the power ON. The transceiver has a noise squelch circuit to mute unde- w Push [SQL• ], then rotate [DIAL] counterclock- WX-ALERT sired noise while receiving no signal. wise to select the squelch level 0.

  • Page 14: Low Battery Indicator

    BASIC OPERATION Low battery indicator ï Deletes the stored recall channel ■ q Push to select the channel to be deleted. Low battery indicator w Push , then push [CLR• ] for 2 seconds to delete it. Low battery indicator appears •...

  • Page 15: Setting Weather Alert Function

    • ‘ST--0’ is OFF and ‘ST--10’ is maximum level. The IC-A24 and IC-A6 can set to the 121.5 MHz emergency R WARNING! NEVER operate the transceiver with a frequency quickly. This function can be activated even when headset at high volume levels for long period.

  • Page 16: Memory Operation

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

  • Page 17: Programming A Memory Channel

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

  • Page 18: Memory Names

    MEMORY OPERATION 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 name in- stead of the programmed frequency. 4, G, H, I 5, J, K, L 6, M, N, O 7, P, R, S...

  • Page 19: 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 (or rotate [DIAL]) Push Push Push Push (or rotate [DIAL]) Push Push Push Push NOTE: Push , then push [0• ], and then rotate BANK [DIAL] to select the BANK number, if desired.

  • Page 20: Scan Operation

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

  • Page 21: Scan Operation

    SCAN OPERATION Weather channel scan “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 re- q Push , then push [ENT• ] to select a weather chan- spectively.

  • Page 22: Vor Navigation (Ic-A24 Only)

    To-from flag Course indicator indicator Push [F], then push [1 Push [F], then push [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 23: 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 24: Flying To A Vor Station

    VOR station. • ‘Ω’ or ‘≈’ appears to indicate your aircraft is off course to the The IC-A24 shows the deviation from a VOR station. right or left, respectively. Correct your course until ‘Ω’ or ‘≈’ dis- appears.
  • Page 25 VOR NAVIGATION (IC-A24 ONLY) 330 340 310 320 Magnetic 123.65 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 26: Entering A Desired Course

    Crosschecking position ■ ■ The IC-A24 shows not only the deviation from the VOR sta- q Select 2 VOR stations on your aeronautical chart. tion but the deviation from the desired course. w Push the keypad or rotate [DIAL] to set the frequency of one of the VOR station in the DVOR mode.
  • Page 27 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 28: Vor Navigation (Ic-A24 Only)

    VOR NAVIGATION (IC-A24 ONLY) Duplex operation ï Operating the duplex function ■ q Set the desired frequency in the NAV band. (U.S.A. version only) • NAV band frequency range: 108.000–117.975 MHz w Push , then push [6• ] to turn the duplex function The duplex function allows you to call a flight service station •...

  • Page 29: Cloning

    PC to a transceiver, using the optional CS-A24 (#02) NOTE: DO NOT transfer the data from a IC-A24 to a IC- cloning software A6, when the data contains the NAV band data. In such ï...

  • Page 30: Battery Packs

    BATTERY PACKS Battery cautions Battery charging ■ ■ DANGER! NEVER Prior to using the transceiver for the first time, the battery incinerate used battery packs. pack must be fully charged for optimum life and operation. Internal battery gas may cause an explosion. CAUTION: To avoid damage to the transceiver, turn the DANGER! NEVER immerse battery pack in water.

  • Page 31: Optional Battery Case

    • When installing batteries, make sure they are all the • NEVER modify the CP-20. A modifica- same brand, type and capacity. Also, do not mix new IC-A24/A6 with the tion could cause a fire or electrocution. attached battery pack and old batteries together.

  • Page 32: Optional Battery Chargers

    About AD-99N ï ï The AD-101 must be installed into the The adapter (Spacer A) only is required for IC-A24/A6. cHarger adaPter BC-119N or BC-121N before battery charging. When removing the spacer (Spacer B/C), push the latch Connect the AD-101...

  • Page 33: Battery Packs

    DC power cable (CP-20). • An AC adapter (BC-157) or the DC power cable (OPC-656). The adapter (Spacer A) only is required for IC-A24/A6. When re- The adapter (Spacer A) only is required for IC-A24/A6. When re-...

  • Page 34: Specifications

    (Without the battery pack and antenna.) • External speaker connector Transmitter ï : IC-A24 only. (IC-A6 frequency coverage is from 118.000 to 136.9917 MHz.) • Output power : 5.0 W (PEP) typical : at 25 kHz channel spacing. : at 8.33 kHz channel spacing.

  • Page 35: Specifications

    SPECIFICATIONS (VFO CHANNEL ID LIST) • Channel spacing: 25 kHz (Actual frequency is displayed.) • Channel spacing: 8.33 kHz/25 kHz Operating Frequency Channel spacing Channel ID Operating Frequency Channel spacing Channel ID (MHz) (kHz) (Displayed Frequency) (MHz) (kHz) (Displayed Frequency) 118.0000 118.000 118.0000...

  • Page 36: Options

    Icom transceiver. • LC-159 carrying case Icom is not responsible for the destruction or damage to an Helps protect the transceiver from scratches, etc. Icom transceiver in the event the Icom transceiver is used Different versions of this radio use different options. Ask with equipment that is not manufactured or approved by your authorized dealer for details.

  • Page 37: 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 38: Safety Training Information

    • ALWAYS keep the antenna at least 2.5 cm (1 inch) away from the body for exposure to humans: when transmitting and only use the Icom belt-clips which are listed on • FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Compli- page 32 when attaching the radio to your belt, etc., to ensure FCC RF...
  • Page 39 Interférence électromagnétique et compatibilité ner des niveaux d'exposition aux RF supérieures aux limites établies par En mode de transmission, votre radio Icom produit de l'énergie de RF qui peut la FCC en matière d'exposition aux RF sans fil.; Attache pour ceinture provoquer des interférences avec d'autres appareils ou systèmes.

  • Page 40: For Class A Unintentional Radiators

    FOR CLASS A UNINTENTIONAL RADIATORS This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reason- able protection against harmful interference when the equip- ment is operated in a commercial environment.

  • Page 41: 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. pp. 26–29 •...

  • Page 42: Index

    INDEX – A – – E – About AD-99N ................28 Entering a desired course...............22 Accessing the 121.5 MHz emergency frequency ......11 EXPLICIT DEFINITIONS ..............i ACCESSORY ATTACHMENT ............1 – F – AD-101 installation .................28 Flying to a VOR station ..............20 ANL function ..................9 FOR CLASS A UNINTENTIONAL RADIATORS ......36 Antenna ....................1...

  • Page 43: Index

    Receiver ..................30 Receiving ..................9 VOR functions ................19 Regular charging ................27 VOR indicators................18 Replaces the stored recall channel ..........10 VOR NAVIGATION (IC-A24 ONLY)..........18 – S – – W – SAFETY TRAINING INFORMATION ..........34 Weather channel scan ..............17 SCAN OPERATION ................16 Scan types ..................16 Selecting a weather channel ............8...
  • Page 44 A-6987D-1EX-q Printed in Japan © 2011–2012 Icom Inc. 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan Printed on recycled paper with soy ink.

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Ic-a6

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