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Icom IC-A23 Instruction Manual

Other manuals for IC-A23: Service Manual, Instruction Manual
Manual is about: VHF AIR BAND TRANSCEIVER

Summary of IC-A23

  • Page 1

    Ia23 ia5 vhf air band transceiver instruction manual this device complies with part 15 of the fcc rules. Operation is sub- ject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that ...

  • Page 2

    I foreword read all instructions carefully and completely before using the transceiver. Save this instruction manual— this in- struction manual contains important operating instructions for the ic-a23/a5. Explicit definitions the explicit definitions below apply to this instruction manual. Caution r...

  • Page 3

    Ii etc. Therefore, be careful when carrying with, or placing near metal objects, carrying in handbags, etc. 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 us...

  • Page 4

    Foreword .................................................................................... I explicit definitions ................................................................. I cautions ....................................................................................... I supplied accesso...

  • Page 5: Accessory Attachment

    1 1 accessory attachment d antenna caution: transmitting without an antenna may damage the transceiver. Insert the supplied antenna into the antenna connector and screw down the antenna as shown below. Keep the jack cover attached when jacks are not in use to avoid bad contacts from dust and moistur...

  • Page 6: Panel Description

    2 2 panel description ■ panel description e [dial] r [mic/sp] w [ptt] t [ant] !0 [clr( dial/ ÙÚ) ] !1 [anl( rec) ] !2 [bank( play) ] !3 [function] !4 [mr( mw) ] !5 [ent( wx) ] q [light] y display u [up/down] i [sql( scan) ] tx/rx indicator !6 [digit keys] o [pwr] u i !0 !1 !2 !3 !4 !5 o !6.

  • Page 7

    3 2 panel description q light [light] (p. 10) turns the light for display and keypad on or off. W ptt switch [ptt] (p. 11) push and hold to transmit; release to receive. E tuning dial [dial] (p. 8) ➥ rotate [dial] to select the desired frequency. (default) ➥ rotate [dial] to select the bank number. ...

  • Page 8

    4 2 panel description !0 clr key [clr (dial/ yz )] (continue) ➥ push [clr] to cancel the scan function. ➥ push [clr] to cancel the direct frequency enter- ing with digit key. ➥ push [clr] to turn the squelch level adjusting mode off. !1 anl key [anl (rec)] ➥ push to turn the anl function on or off. ...

  • Page 9

    5 2 panel description !6 digit keys ➥ input the specified digit during frequency input, memory channel selection, etc. ➥ in addition, each key has one or more secondary func- tions after pushing as follows: ➥ push , then push [0 (121.5)] to select the 121.5 mhz emergency frequency. (p. 8) ➥ push , t...

  • Page 10: Function Display (Com)

    6 2 panel description ■ function display (com) q function indicator (p. 4) appears when is pushed. W anl indicator (p. 4) appears while the anl (automatic noise limiter) function is in use. E lock indicator (p. 10) ➥ appears while the lock function is in use. R duplex indicator (ic-a23 only) (p. 22)...

  • Page 11: Function Display (Com/nav)

    7 2 panel description !0 memory bank number indicator (p. 12) shows the selected memory bank number. !1 frequency display (p. 8) ➥ shows the operating frequency. ➥ shows the channel name when the memory name func- tion is selected. !2 course indicators (ic-a23 only) (p. 19) ➥ indicates where your ai...

  • Page 12: Basic Operation

    8 3 basic operation ■ dial ↔ [ y ]/[ z ] trade function the transceiver is equipped [dial] ↔ [ y ]/[ z ] keys trade func- tion. Push then push [clr (dial/ yz )] to trade each function. Default setting: dial: • setting the frequency, • selecting the memory chan- nel, • selecting the bank number yz ke...

  • Page 13: Selecting A Weather Channel

    ■ selecting a weather channel (u.S.A. Version only) the u.S.A. Version has vhf marine wx (weather) channel receiving capability for flight planning. Q push , then push [ent (wx)] to select wx channel mode. • “wx--” and previously se- lected channel number ap- pears. W rotate the [dial] to select the...

  • Page 14: Lock Function

    10 3 basic operation ■ lock function the lock function prevents accidental frequency changes and accidental function activation. Q push , then push [key lock] to turn the function on. W to turn the function off,repeat step q above. • “ ” disappears. ■ display backlighting push [light] to turn the di...

  • Page 15: Receiving

    11 3 basic operation ■ receiving q push [pwr] to turn the power on. W push [sql], then turn the [dial] counterclockwise (or [ z ] key) to select the squelch level [0]. E push [ y ]/[ z ] key several times to adjust the audio level. R push [sql], then turn the [dial] clockwise (or [ y ] key) until th...

  • Page 16: Memory Operation

    12 4 memory operation ■ memory channel selection the transceiver has 200 memory channels for storage of often-used frequencies along with 6-character notes. Q push [mr] to select memory mode. • memory bank number and memory ch number appears. Using the [dial]: w push [bank], then rotate the [dial] t...

  • Page 17: Programming A Memory

    13 4 memory operation ■ programming a memory channel the transceiver has 200 (10 bank x 20 ch) memory chan- nels for storage of often-used frequencies. Q push [clr] to select frequency mode, if necessary. W select the desired frequency. • push , then push [ent (wx)] to select a weather channel.* • s...

  • Page 18: Memory Names

    14 4 memory operation ■ memory names ï programming memory names the memory channel can display a 6-character comment as well as a frequency. Q rotate the [dial] to select the desired frequency in fre- quency mode. W push , then push [mr]. E rotate the [dial] to select the desired memory channel to b...

  • Page 19

    15 4 memory operation [clr], [1], [2], [5], [ent] [f], [mr(mw)] [1], [5] (*see note) [mr] [2], [2], [4], [4], [4], [4] [7], [7], [7] [0], [0], [0],[2],[3] [ent] • example: programming 125.000 mhz into memory bank 0/ memory channel 15 with “air-23” as a comment. *note: push [bank], then rotate the [d...

  • Page 20: Scan Operation

    Scan operation 5 16 ■ scan types the u.S.A. Version has 3 scan types to suit your needs. The non-u.S.A. Versions have 2 scan types. ■ com band scan q push [clr] to select vfo mode. W set squelch to the point where noise is just muted. E push , then push [sql (scan)] to start the scan. • when a signa...

  • Page 21: Weather Channel Scan

    5 scan operation 17 ■ weather channel scan (u.S.A. Version only) q push , then push [ent (wx)] to select a weather channel. W set squelch to the point where noise is just muted. E push , then push [sql (scan)] to start the scan. • when a signal is received, the scan pauses until it disap- pears. • t...

  • Page 22: Vor Navigation (Ic-A23 Only)

    18 6 vor navigation (ic-a23 only) ■ vor indicators 214 34 from com band (118.00–136.975 mhz) nav band (108.00–117.975 mhz) dvor mode function display of the ic-a23 general vor equipment to-from flag indicator cdi mode course indicator course indicator course deviation needles overflow indicator push...

  • Page 23: Vor Functions

    19 6 vor navigation ■ vor functions ◊ to select cdi mode to show the deviation between your flying course and the de- sired course, push , then [4 (cdi)]. ◊ to select dvor mode when entering the nav band, 108.000–117.975 mhz, the ic-a23 selects dvor mode automatically. To show your aircraft’s direct...

  • Page 24: Flying to A Vor Station

    20 6 vor navigation ■ flying to a vor station the ic-a23 shows the deviation from a vor station. Q select a vor station on your aeronautical chart and set the frequency of the station. • the course indicator indicates where you are located on a radial from the vor station. • the course indicator sho...

  • Page 25

    21 6 vor navigation vor station 0 ° 10 ° 20 ° 30 ° 40 ° 50 ° 60 ° 70 ° 80 ° 90 ° 100 ° 110 ° 120 ° 130 ° 140 ° 150 ° 160 ° 170 ° 180 ° 190 ° 200 ° 210 ° 220 ° 230 ° 240 ° 250 ° 260 ° 270 ° 280 ° 290 ° 300 ° 310 ° 320 ° 330 ° 340 ° 350 ° n magnetic north desired course aircraft heading 40 ° 123.65 vo...

  • Page 26: Entering A Desired Course

    22 6 vor navigation ■ entering a desired course the ic-a23 shows not only the deviation from the vor sta- tion but the deviation from the desired course. Q set the frequency for the desired vor station. • to change the to-from flag, push , then [2 (to)] or [3 (from)]. W push , then [4 (cdi)] to sele...

  • Page 27

    23 6 vor navigation example: entering the desired course bearing 89° to a vor station. Vor station 0 ° 10 ° 20 ° 30 ° 40 ° 50 ° 60 ° 70 ° 80 ° 90 ° 100 ° 110 ° 120 ° 130 ° 140 ° 150 ° 160 ° 170 ° 180 ° 190 ° 200 ° 210 ° 220 ° 230 ° 240 ° 250 ° 260 ° 270 ° 280 ° 290 ° 300 ° 310 ° 320 ° 330 ° 340 ° 35...

  • Page 28: Duplex Operation

    24 6 vor navigation ■ duplex operation (u.S.A. Version only) the duplex function allows you to call a flight service station while receiving a vor station. The duplex function requires frequency programming for the flight service station in ad- vance. ◊ programming a duplex frequency q push [clr] to...

  • Page 29: Battery Packs

    25 7 battery packs ■ charging precautions never connect two or more chargers at the same time. Charging may not occur under temper- atures of 10°c (+50°f) or over temper- atures of 40°c (+104°f). When using bc-119: if the charge indicator flashes orange, vehicle bat- tery voltage is low and charging...

  • Page 30

    26 7 battery packs d rapid charging with the bc-119 d regular charging q attach the battery pack to the transceiver. W be sure to turn the transceiver power off. E connect the wall charger (bc-110a) or optional cable (cp-12l or opc-254l) as shown below. • charging period: 15 hours ic-a23/a5 with att...

  • Page 31: About The Battery Pack

    Battery packs 7 27 ■ about the battery pack d operating period the operating period of the transceiver is 6 hours. • operating periods are calibrated for the following conditions: at 25°c (77°f), tx : rx : standby = 5 : 5 : 90 d battery pack life if your battery pack seems to have no capacity even a...

  • Page 32: Cloning

    28 8 cloning cloning allows you to quickly and easily transfer the programmed data from one transceiver to another transceiver, or, data from pc to a transceiver using the optional cs-a23 cloning software. D transceiver to transceiver cloning q connect the opc-474 cloning cable with adapter plugs to...

  • Page 33: Troubleshooting

    9 troubleshooting 29 if your transceiver seems to be malfunctioning, please check the following points before sending it to a service center. Possible cause solution ref. No power comes on. • the battery is exhausted. • bad connection for the battery pack. • recharge the battery pack. • check the co...

  • Page 34: Specifications

    10 specifications d general • frequency coverage (mhz): tx 118.000 to 136.975 rx 108.000 to 136.975* 1 wx 161.650 to 163.275* 2 * 1 : ic-a23 only, ic-a5; 118.000 to 136.975 * 2 : u.S.A. Version only. • mode : 6k00a3e 16k0g3e (161.65. To 163.275 mhz) • number of memory channels : 200 (10 bank x 20 ch...

  • Page 35: Options

    11 options 31 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 d other options bc-110a wall charger (same as supplied. Depends on version) used for regular charging of the connected battery pack. Bc-119 deskt...

  • Page 36

    11 32 options d opc-967 ( headset adapter) connection 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. (p. 9) ptt switch use a ptt switch with a 3.5 mm diame- ter plug, if required. ...

  • Page 37: Quick Reference

    Opera tion guide ia23/a5 • dial ↔ [ y ]/[ z ] tr ade function " channel selection (pgs . 7, 8) " beginning opera tion push [f], then push [clr (dial/ yz )] to tr ade each function. Default: dial: • setting the frequency , • selecting the memor y channel, • selecting the bank n umber [ y ]/[ z ]: • a...

  • Page 38

    34 12 operation guide • t ransf erring memor y contents " memor y q w e r t push [clr] to select the frequency mode or push [f], then push [ent (wx)] to select wx ch* mode . Select the desired frequency or wx ch*. Push [f], then push [mr (mw)] to enter memor y prog ramming mode . • “ m ” b links on ...

  • Page 39

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