Icom IC-A23 Скачать руководство пользователя страница 34

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SPECIFICATIONS

General

• Frequency coverage (MHz): TX

118.000 to 136.975

108.000 to 136.975*

161.650 to 163.275*

: IC-A23 only, IC-A5; 118.000 to 136.975

: U.S.A. version only.

• Mode

: 6K00A3E

16K0G3E

(161.65. to 163.275 MHz)

• Number of memory channels : 200 (10 BANK x 20 CH)
• Acceptable power supply

: 9.6 V DC nominal

(negative ground)

(authorized battery packs)

• Usable temp. range

: –10˚C to +60˚C (+14°F to +140°F)

• Frequency stability

: ±17 ppm (–10˚C to +60˚C)

• Current drain

1.8 A (CW) max.
1.1 A (CW) typical

70 mA typical (at stand by)
500 mA max.

(at AF max.)

• Antenna impedance

: 50

Ω

(nominal)

• Dimensions : 58(W)

107(H)

28.5(D) mm

(projections not incl.)

• Weight (with BP-200L)

: 340 g

Transmitter

• Output power

: 5 W (PEP)

typical

1.5 W (CW)

typical

• Modulation

: Low level modulation

• Modulation limiting

: 70 to 100 %

• Audio harmonic distortion : Less than 10 %

(at 60 % modulation)

• Hum and noise ratio

: More than 35 dB

• Spurious emissions

: More than 60 dB

• Microphone impedance

: 150

Ω

Receiver

• Receive system

: Double conversion

superheterodyne

• Intermediate frequencies

: 1st

30.05 MHz

2nd

450 kHz

•Sensitivity (AM 6dB S/N)

: Less than 0dBµ

(FM 12dB SINAD): Less than 0dBµ

• Squelch sensitivity (AM)

: Less than –3dBµ

(FM )

: Less than –13dBµ

• Selectivity

: 7.5 kHz (at 6 dB) or more

25 kHz (at 60 dB) or less

• Spurious response

: More than 60 dB

• Audio output power

: 500 mW (at 10% distortion

(at 9.6 V DC)

with an 8

Ω

load)

• Noise and hum

: More than 25 dB

• External SP connector

: 3-conductor 3.5 (d) mm /8

Ω

All stated specifications are subject to change without
notice or obligation.

Содержание IC-A23

Страница 1: ...evice 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 may cause undesired operation ...

Страница 2: ...u experience a ringing in your ears reduce the volume level or discontinue use NEVER connect the transceiver to an AC outlet or to a power source of more than 14 V DC Such a connection will damage the transceiver NEVER connect the transceiver to a power source that is DC fused at more than 5 A Accidental reverse connection will be protected by this fuse higher fuse values will not give any protect...

Страница 3: ...rmance and invalidate the warranty Even when the transceiver power is OFF a slight current still flows in the circuits Remove the battery pack or case from the transceiver when not using it for a long time Otherwise the battery pack or installed dry cell batteries will become ex hausted SUPPLIED ACCESSORIES Accessories included with the transceiver Qty q Antenna 1 w Belt clip 1 e Handstrap 1 r Bat...

Страница 4: ... Transmitting 11 4 MEMORY OPERATION 12 15 Memory channel selection 12 Transferring memory contents 12 Programming a memory channel 13 Memory names 14 15 5 SCAN OPERATION 16 17 Scan types 16 COM band scan 16 Memory scan 16 Weather channel scan 17 TAG channels 17 6 VOR NAVIGATION IC A23 only 18 24 VOR indications 18 VOR functions 19 Flying to a VOR station 20 21 Entering a desired course 22 Crossche...

Страница 5: ...a as shown below Keep the jack cover attached when jacks are not in use to avoid bad contacts from dust and moisture DBelt clip Conveniently attaches to your belt To attach Slide the belt clip into the plastic loop on the back of the bat tery case pack To remove Push the top of the belt clip towards the transceiver and at the same time push it downward and free of the plastic loop ...

Страница 6: ...ESCRIPTION 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 yDisplay u UP DOWN i SQL SCAN Tx Rx indicator 6 DIGITKEYS o PWR u i 0 1 2 3 4 5 o 6 ...

Страница 7: ...l or fre quency Push to select the BANK number i SQUELCH KEY SQL SCAN p 9 Push SQL then rotate the DIAL or push Y Z to select the squelch level 24 squelch levels and squelch open 0 are available Push then push SQL to starts scan func tion Frequency mode Frequency scan function MEMORY mode Bank scan or Full memory chan nel scan function o POWER SWITCH PWR Push and hold for 0 5 sec to turn the power...

Страница 8: ...s for 3 sec after F is pushed at this time pushing F again cancels the indication p 6 NOTE In general disappears when another key is pushed to activate a secondary function However some keys which have more than one secondary function such as DUP do not cancel In this case disappears automatically after 3 sec 4 MEMORY MODE KEY MR MW pgs 12 13 Push MR to call the memory channel mode push CLR to exi...

Страница 9: ...flag 1 Push then push 3 FROM to change the course indicator characteristics to FROM flag in the DVOR display in NAV band p 19 1 Corrects the deviation while using FROM flag 1 Push then push 4 CDI to select the CDI display from the CDI display in NAV band p 19 1 Push then push 5 DUP W to set the du plex frequency in NAV band p 22 1 Push then push 6 DUP to turn the du plex function ON and OFF in NAV...

Страница 10: ...hile setting the duplex frequency t LOW BATTERY INDICATOR p 10 Appears when the battery is nearing exhaustion The at tached battery pack requires recharging Appears and flashes when battery replacement is nec essary y RECORD INDICATOR p 10 REC blinks while the internal recorder is recording the signal u PLAY INDICATOR p 10 PLAY appears during play back of the recorded signal i TAG CHANNEL INDICATO...

Страница 11: ...ere your desired course is located on a VOR radial in CDI mode 3 TO FROM INDICATOR IC A23 only p 19 Indicates whether the VOR navigation information is based on a course leading to the VOR station or lead ing away from the VOR station 4 COURSE DEVIATION NEEDLES IC A23 only p 22 Indicates the deviation between the desired course and your actual flying course every 2 degrees 5 OVERFLOW INDICATOR IC ...

Страница 12: ...ter 1 as the 1st digit When a digit is mistakenly input push CLR to clear then start again Push ENT to enter consecutive zero digits Only 2 5 7 and 0 can be entered as the 5th and final digit ïUsing the tuning dial q Push PWR for 0 5 sec to turn power ON then push CLR to select the VFO mode when memory CH number or WX CH number appears on the function display wRotate the DIAL to set the desired fr...

Страница 13: ...lch is open w Push SQL or CLR to exit the squelch set mode Side tone function When using an optional headset such as those from the David Clark Co via the OPC 967 HEAD SET ADAPTOR the transceiver outputs your transmitted voice to the headset for monitoring p 32 DSetting the side tone level q Push PTT to turn the transmit mode ON w During transmit mode push Y Z several times to adjust the monitorin...

Страница 14: ...ording a signal message Push then push ANL REC to start to record the message for 20 sec REC blinks on the display Push CLR to cancel the recording No message is recorded when no audio comes from the speaker e g When the squelch is closed You can record your own message by pushing and holding PTT during the recording mode Frequency or memory CH display disappears in this case No transmission avail...

Страница 15: ... green Squelch opens and audio is emitted from the speaker When the SQL control is too deep squelch may not open for weak signals To receive weak signals set the squelch to a loose position Transmitting q Set the desired frequency in COM band using the DIAL or keypad COM band frequency range 118 00 136 975 MHz w Push and hold PTT to transmit The Tx Rx indicator lights red e Speak into the micropho...

Страница 16: ...to exit the bank selection mode BANK appears e Push 2 appropriate digit key 00 to 19 to select the de sired memory CH number If no memory channel is programmed in the selected bank no memory CH selection is available Comments appear first when programmed however the transceiver can be programmed by your dealer to show the operating frequency first Push MR to display the comment in this case Transf...

Страница 17: ... or WX channel using the DIAL or keypad e Push then push MR MW Memory BANK and memory channel number appears r Rotate the DIAL to select the desired memory channel number M blinks Push BANK to select the BANK number if desired Push CLR or BANK to exit the BANK selection mode t Push ENT to program the information into the channel and return to Frequency mode Weather channel U S A version only then ...

Страница 18: ... To erase a character overwrite with a space displayed as _ To move the cursor forwards or backwards use DIAL y Push ENT to program the name Flashing stops When no name is programmed the display shows the operating frequency To clear the entered comment push CLR before pushing ENT key Character 1 1 Q Z 4 4 G H I 7 7 P R S ENT Program key Character 2 2 A B C 5 5 J K L 8 8 T U V 0 0 space key Charac...

Страница 19: ... 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 DIAL to select the BANK number if desired Push CLR to continue memory name programming ...

Страница 20: ...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 To change the scanning direction rotate the DIAL r To stop the scan push CLR WEATHER CHANNEL SCAN Repeatedly scans all TAG weather channels Weather channels are available for the U S A version only MEMORY SCAN Repeatedly scans all TAG memory channels Used for checking ofte...

Страница 21: ...weather channels can be specified to be skipped for the memory and weather channel scans respec tively The TAG channel function is only available during scan operation q Push MR to select memory mode or push then push ENT WX to select a weather channel w Select the desired channel to be a TAG channel e Push then push 9 TAG TAG appears Non TAG channels are skipped during scan r To cancel the TAG se...

Страница 22: ...unction display of the IC A23 General VOR equipment To from flag indicator CDI MODE Course indicator Course indicator Course deviation needles Overflow indicator Push F then r CDI Push F then q DVOR To from flag indicator Course indicator Course deviation needle To from flag indicator Two degree deviation marks VOR NAVIGATION ...

Страница 23: ...r vice versa push then 3 FROM or 2 TO respectively When using the TO flag and passing through the VOR station the TO flag changes to the FROM flag automat ically When turning power ON the FROM flag is selected au tomatically Selecting the next VOR station when using CDI mode when using the course deviation needle q Push then 1 DVOR w Set the next VOR station s frequency e Push then 4 CDI Select TO...

Страница 24: ... Push then 4 CDI to select CDI Course Deviation Indicator mode The course indicator shows OF when the desired VOR signal cannot be received When CDI mode is selected the operating frequency can not be changed To set the operating frequency select DVOR mode in advance r The course deviation needle appears when your aircraft is off course from the VOR station Ω or appears to indicate your aircraft i...

Страница 25: ...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 Aircraft should be heading 40 Aircraft heading 46 6 off course Flown course 123 65 VORTAC SEATTLE 116 8 Ch 115 SEA THE AIRCRAFT IS OFF COURSE The course deviation indicator ap pears when the aircraft is off course In this example the aircraft is 6 degrees of...

Страница 26: ...s If the overflow indicator appears on the right side select a head ing plus 10 degrees to the desired course if the overflow indica tor appears on the left side select a heading minus 10 degrees Crosschecking position q Select 2 VOR stations on your aeronautical chart w Set the frequency of one of the VOR station in DVOR mode The course indicator shows course deviation from the VOR ra dial Note t...

Страница 27: ... 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 N Magnetic north VOR station 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 113 4 Ch 81 OLM VORTAC OLYMPIA 116 8 Ch 115 SEA 123 65 VORTAC SEATTLE CROSSCHECKING POSITION VOR NAVIGATION ...

Страница 28: ... the tuning dial push ENT after setting a frequency The displayed frequency returns to the NAV band frequency Operating the duplex function q Set the desired frequency in NAV band NAV band frequency range 108 00 117 975 MHz w Push then 6 DUP to turn the duplex function ON DUP appears on the function display e Push and hold PTT to transmit at the pre programmed transmit frequency r Release PTT to r...

Страница 29: ...at tery pack more than 300 times the fol lowing points should be observed 1 Avoid overcharging The charging pe riod should be less than 48 hours 2 Use the battery until it becomes al most completely exhausted under normal conditions We recommend battery charging just after transmitting becomes impossible DRapid charging with the BC 119 The optional BC 119 provides rapid charging of battery packs O...

Страница 30: ...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 attached battery case Wall charger CP 12L optional OPC 254L optional To a 12 to 14 V DC power source To CHARGE white black AD 87B supplied with AD 87A AD 88 optional Check orientation for correct charging AD 87A optional BC 119 optional ...

Страница 31: ...ly discharge it by leaving the power ON overnight Then fully charge the battery pack again If the battery pack still does not retain a charge or very little a new battery pack must be purchased Battery pack CAUTION NEVER short the terminals of the battery pack Also cur rent may flow into nearby metal objects such as a neck lace etc Therefore be careful when carrying with or placing near metal obje...

Страница 32: ...ter transceiver CL OUT appears in the master transceiver s display CL IN appears automati cally in the slave trans ceiver s display r When cloning is finished turn power OFF then ON again to exit cloning mode NOTE DO NOT transfer the data from IC A23 to IC A5 when the data contains the NAV band data In such case cloning error may occur Cloning using PC Data can be cloned to and from a PC IBM compa...

Страница 33: ...el is too deep Volume level is too low Set squelch to the threshold point Set VOL to a suitable level pgs 9 11 Transmitting impossible Some channels are receive only The battery is exhausted Change channels Recharge the battery pack p 12 p 25 The displayed channel cannot be selected Lock function is activated Push F then push 7 KEY LOCK p 10 Scan does not start All memory channels are not programm...

Страница 34: ... 340 g DTransmitter Output power 5 W PEP typical 1 5 W CW typical Modulation Low level modulation Modulation limiting 70 to 100 Audio harmonic distortion Less than 10 at 60 modulation Hum and noise ratio More than 35 dB Spurious emissions More than 60 dB Microphone impedance 150 Ω DReceiver Receive system Double conversion superheterodyne Intermediate frequencies 1st 30 05 MHz 2nd 450 kHz Sensitiv...

Страница 35: ...arging via a 12 V cigarette lighter socket OPC 967 HEADSET ADAPTER 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 CS A23 CLONING SOFTWARE Provides quick and easy programming of items including pri vate channels scan settings etc via an IBM compatible PC to transceiver OPC 474 CLON...

Страница 36: ...vid 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 HEADSET Must be purchased separately Clip the cable to the handstrap loop on the belt clip for sup port OPC 967 IC A23 IC A5 PTT ...

Страница 37: ...Push Y Z several times to adjust the desired audio level Push SQL then push Y sev eral times to adjust the squelch level Push CLR to select the frequency mode when memory CH or WX CH appears on the display Push 5 appropriate digit keys to in put the frequency Enter 1 as the 1st digit Only 2 5 7 and 0 can be en tered as the 5th and final digit Push CLR when a digit is mis takenly input Using DIAL q...

Страница 38: ...rred Push F then push MR BANK number and menory CH number disappears as frequency mode is automatically selected and the memory contents are transferred SCAN p 14 q w e Push CLR MR or F then WX to select the frequency memory or WX CH mode Push F then push SQL SCAN to start scanning Decimal point blinks during scan ning Rotate the DIAL to change the scanning direction Push CLR to cancel the scannin...

Страница 39: ...Count on us 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5665H 1EX Printed in Japan 2000 Icom Inc ...

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