Squelch Function; Sidetone Function; Lcd Backlight Control; Dial Select Function - Icom IC-A110 Instruction Manual

2
BASIC OPERATION

■ Squelch function

The transceiver has a noise squelch circuit to mute undesired
noise while receiving no signals.
D Setting the squelch level
q Push [SQL] to turn ON the level adjusting mode.
w Rotate [DIAL] to select the squelch level.
• 'SQ 01' is loose squelch and 'SQ 25' is tight squelch. (Initial
level is 'SQ 01')
• 'SQ 01' indicates that the squelch circuit is turned off.
• " " appears on the display.
e Push [SQL] to return to regular operation.

■ Sidetone function

When using an optional headset, such as those from the
David Clark Co. using the OPC-871
transceiver outputs your transmitted voice to the headset for
monitoring. (p. 16)

■ LCD backlight control

The backlight of the LCD can be set to OFF, Low or High.
➥ Push [DIAL] to toggle the backlight control; OFF, Low or
High are selectable.
5
the
HEAD SET ADAPTER
,

■ Dial select function

Use the dial select function to adjust the tuning steps of the
[DIAL] keys. Use 1 MHz tuning when you want to change the
frequency in large increments; use regular tuning (25 kHz or
8.33 kHz) when you want to change the frequency in smaller
increments.
q Push [V/M] to select VFO
mode.
w Hold down [TS](DIAL) for 1
second to select the desired
tuning increment.
• 1 MHz tuning or regular tuning
steps can be selected. (see the
diagrams to the right)
e Hold down [TS](DIAL) for 1
second to return to normal
operation.
NOTE: Large tuning steps should be used only when you
want to change the frequency in large increments. Please
select regular tuning steps for normal operation.
1 MHz tuning selected
Regular tuning selected