Receiving; Transmitting - Icom IC-A22 Instruction Manual

3 BASIC OPERATION
i Receiving
@ Rotate [SQL] maximum clockwise.
@ Rotate [VOL] to turn power ON and adjust the audio
level.
@ Rotate [SQL] counterclockwise until noise is muted.
© " ( 0 "disappears,
@ Set the desired frequency using the tuning dial or
keypad. (pgs. 11, 12)
Push [LIGHT] to turn the display and keypad lighting ON, if
desired.
© Push [ANL] to reduce pulse noise such caused by
engine ignition systems, if necessary.
© "ANL" appears.
®© When a signal is received on the set frequency:
- The receive indicator appears.
- Squelch opens and audio is emitted from the speaker,
When the [SQL] control is set too "tight" (extremely
counterclockwise), squelch may not open for weak
signals. To receive weak signals, set the squelch to a
, "\oose" (more clockwise) position.
WE
© Beep tone on/off
The beep tone which sounds each times a switch is pushed
can be turned ON or OFF, as desired,
~ Push [F] then [@ BEEP] to turn the beep tone ON or OFF.
li Transmitting
CAUTION: Transm
age the transceivs
g without an antenna may dam-
NOTE: To prevent interference, listen on the frequency
before transmitting. If the frequency is busy, wait until the
channel is clear.
@ Set the desired frequency in COM band using the tuning
dial or keypad. (pgs. 11, 12)
* COM band frequency range: 118.00-136.975 MHz
@ Push and hold [PTT] to transmit.
* *(7X)" appears.
@ Speak into the microphone at a normal voice level.
«DO NOT hold the transceiver too close to your mouth or
'speak too loudly. This may distort the signal.
@ Release [PTT] to return to receive.
li Side tone function
When using an optional headset from the David Clark Co.
via the OPC-499, the transceiver outputs your transmitted
voice to the headset for monitoring.