Icom IC-78 Instruction Manual - Page 16

4 OPERATION s Frequency indication By pushing the [FC], channel comment indication or frequency indication can be selected. D Transmit frequency indication By pushing the [TXF], transmit frequency is indicated, regardless channel comment or frequency indication. While transmit frequency is indicated, " " flashes. Channel indication Push Push Push Frequency indication Flashes Transmit frequency indication s Lock function The lock function electronically locks the main dial to prevent accidental channel changing. Push [LOCK] to turn the lock function ON and OFF. Before channel selection, turn this function OFF. Appears while lock function is activated. s Scan function Scan function repeatedly scans programmed channels. This function is convenient to wait for calls on multiple channels. ch 2 ch 1 ch 99 ch 3 BLANK ch 7 ch 4 BLANK ch 6 ch 5 q Set [RF/SQL] control at the center (12 o'clock) position (opening squelch), then rotate [RF/SQL] control clockwise to the position where the noise disappears. Shallow Recommended position Squelch control Deep w Push [√ DN] or [UP ∫] for 1 sec. to start channel scan. [√ DN]/[UP ∫] switches Appears while scanning. • The "SCAN" indicator appears. e When a signal is received, channel scan pauses on that channel. r Push [√ DN] or [UP ∫] to cancel channel scan. NOTE: The scan resume condition (the action after signal receiving) can be selected as "scan resume" or "scan cancel" in the initial set mode (p. 31). 14