Frequency Indication; Lock Function; Scan Function - Icom IC-78 Instruction Manual

4
OPERATION

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, "

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.

Scan function

Scan function repeatedly scans programmed chan-
nels. This function is convenient to wait for calls on
multiple channels.
ch 2
ch 1
ch 99
q Set [RF/SQL] control at the center (12 o'clock) po-
sition (opening squelch), then rotate [RF/SQL]
control clockwise to the position where the noise
disappears.
Squelch control
14
" flashes.
ch 3 ch 4
BLANK
ch 5
BLANK
ch 7 ch 6
Shallow
Recommended
position
Deep
Channel indication
Push
Push
Flashes
Transmit frequency indication
Appears while lock function is activated.
w Push [√ DN] or [UP ∫] for 1 sec. to start channel
scan.
• 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 re-
sume" or "scan cancel" in the initial set mode
(p. 31).
Push
Frequency indication
[ √ DN]/[UP ∫ ]
switches
Appears while
scanning.