Icom IC-A110 Instruction Manual - Page 8

2 BASIC OPERATION I Squelch function I Dial select function The transceiver has a noise squelch circuit to mute undesired noise while receiving no signal. D Setting the squelch level q Push [SQL] to turn the level adjusting mode ON. w Turn 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. e Push [SQL] to return to regular operation. I Side tone function When using an optional headset, such as those from the David Clark Co. via the OPC-871 HEAD SET ADAPTOR, the transceiver outputs your transmitted voice to the headset for monitoring. (p. 17) I LCD backlight control The backlight of the can be set OFF, Low or High. ➥ Push [DIAL] to toggle the backlight control; OFF, Low or High are available. Use the dial select function to adjust the tuning behavior 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. *Except USA version qPush [V/M] to select VFO mode. w Push and hold [DIAL(TS)] for 1 sec. to select the desired tuning increment. • 1 MHz tuning or regular tuning steps can be selected. (see diagrams at right) e Push and hold [DIAL(TS)] for 1 sec. to return to normal operation. 1 MHz tuning selected Regular tuning selected 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. 5