Icom Ic-A110 Vhf Airband Tranciever Instruction Manual

iA110
VHF AIR  BAND TRANSCEIVER
INSTRUCTION MANUAL
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
condition that this device does not cause
harmful interference. 

i
FOREWORD
READ ALL INSTRUCTIONScarefully and completely
before using the transceiver.
SAVE THIS INSTRUCTION MANUAL—This in-
struction manual contains important operating instructions for
the IC-A110.
EXPLICIT DEFINITIONS
The explicit definitions below apply to this instruction manual.
CAUTIONS
RWARNING! NEVERoperate the transceiver with a
headset or other audio accessories at high volume levels.
Hearing experts advise against continuous high volume op-
eration. If you experience a ringing in your ears,...

ii
DO NOTplace unit in a non-secure place to avoid inad-
vertent use by children.
DO NOTpush the PTT when not actually desiring to trans-
mit..
AVOID using or placing the transceiver in direct sunlight or
in areas with temperatures below –30°C (–22°F) or above
+60°C (+140°F).
AVOID placing the transceiver in excessively dusty envi-
ronments.
AVOID placing the transceiver against walls. This will ob-
struct heat dissipation.
AVOID the use of chemical agents such as benzine or al-
cohol when cleaning, as...

Panel description
qTUNING [DIAL(TS)]
➥Changes the operating frequency; memory channel in
memory mode; set mode contents in set mode, etc.
➥Push to toggle the dimmer control OFF, Low and High.
➥Push and hold for 1 sec. to select the Tuning Step [TS];
1 MHz or 10 kHz are available. (p. 5)
wFUNCTION DISPLAY(p. 3)
Displays the operating frequency, memory channel name, etc.eVOLUME UP[Y] DOWN[Z]KEY
Adjusts the audio output level.
rLOUD SPEAKER
Front mounted loud speaker.
tPOWER SWITCH [POWER]
Push and hold...

2
1PANEL DESCRIPTION
ySQL SWITCH [SQL]
➥Push to turn on the squelch adjust mode. (p. 6)
➥Push and hold this switch for 1 sec. to turn ON/OFF the ex-
ternal speaker output. (p. 4)
uPRIORITY SWITCH [PRI]
Push to select priority channel. (p. 11)
•“Pr” appears on the display.
iSCAN SWITCH [SCAN]
➥Starts and stops the scan function:
•VFO mode: VFO scan function.
•Memory mode: Memory channel scan function. (p. 6)
➥Push and hold this switch for 5 sec. to set the displayed
channel as a memory lock-out channel....

3
1PANEL DESCRIPTION
Function display
qMEMORY MODE INDICATOR(p. 5)
Appears when memory mode is selected.
wDUALWATCH INDICATOR(p. 7)
Indicates when the dualwatch function is activated.
eSCAN INDICATOR(p. 8)
Indicates when the scan function is selected.
rBUSY INDICATOR(p. 6)
“BUSY” appears when receiving a signal or when the
squelch is open. (p. 6)tTX INDICATOR (p. 5)
Appears while transmitting.
yFREQUENCY DISPLAY(p. 11)
➥Shows the operating frequency. 
➥Shows the channel name when the memory name...

4
2BASIC OPERATION
Power ON
qPush [POWER] to turn power ON.
wOperate the transceiver as indicated in the following sec-
tions.
eSelect the desired memory channel (or VFO frequency)
with the [V/M] keys.
•When receiving a signal,  appears and audio is emit-
ted from the speaker.
•Further adjustment of audio level may be necessary at this point.
•Push [SQL] to adjust the squelch level. (p. 6)
•Push and hold the tuning dial for 1 sec. to select the [TS], each
push increments/decrements to the frequency are...

5
2BASIC OPERATION
Squelch function
The transceiver has a noise squelch circuit to mute undesired
noise while receiving no signal.
DSetting the squelch level
qPush [SQL] to turn the level adjusting mode ON.
wTurn the tuning [DIAL] to select the squelch level.
•‘SQ 01’is loose squelch and ‘SQ 25’is tight squelch. (Ini-
tial level is ‘SQ 01’)
•‘SQ 01’indicates that the squelch circuit is turned off.
• “” appears on the display.
ePush [SQL] to return to regular operation.
Side tone function
When using an...

6
3SCAN OPERATION
Scan operation
qPush [V/M] to select memory mode or VFO mode, if nec-
essary.
•“ ” appears on the memory mode.
wMake sure the squelch level is set to the threshold point. 
• Set a squelch level (01 to 25) where the noise is muted.
ePush [SCAN] to start scan.
• To change the scan direction, turn [DIAL].
•“SCAN (or P SCAN)“ flashes while scaning.
rPush [SCAN] again to stop the scan.
NOTE:Normal scan or Priority scan is pre-programmed
by cloning. Please ask your dealer or system operator...

7
3SCAN OPERATION
On–hook scan
On–hook scan (Hanger scan) is available when taking the mi-
crophone from its hanger (off–hook) and /or returning it into
the hanger (on–hook).
qPush [SCAN] to start scanning.
wWhen receiving a signal, scan pauses until the signal dis-
appears.
➥
•You can converse by taking the microphone from the
hook.
ePlace the microphone on the hook to restart scanning.
rScan restarts 2 sec. after the signal disappears even if you
did not converse the station.
When you take the...