Control Functions - Icom IC-4SA: IC-4SE: Instruction Manual

6) VFO/MEMQRY SWITCH [V/M]
Selects VFO or MEMORY mode (p. 12).
After pushing [FUNC], activate "memory programming"
(p. 13), "memory transferring' (p. 13) or "call channel
programming" (p. 11).
(CALL CHANNEL SWITCH [C]
Calls up the user-programmed call channel (p. 11).
After pushing [FUNC], activates scanning (p. 15).
FUNCTION SWITCH [FUNC]
Activates the secondary function of other switches.
(9 LIGHT SWITCH [LIGHT]
Turns ON the display backlight.
After pushing [FUNC], activates the lock function.
(0SQUELCH CONTROL [SQL]
Sets the squelch threshold point for audio noise mute.
(db VOLUME CONTROL [VOLI
Turns power ON and adjusts the audio level.
CONTROL FUNCTIONS 3
(2 MONITOR SWITCH [MONITOR]
Opens the squelch (p. 8).
Checks the transmit frequency when Duplex is selected
(p. 10).
After pushing [FUNC], selects —Duplex, +Duplex or
Simplex (p. 10).
(3 PTT SWITCH
Push and hold to transmit; release to receive.
After pushing [FUNC], selects High or Low output
power (p. 9).
(Y BATTERY PACK RELEASE BUTTON
Opens latch for battery pack removal when pushed
upwards (p. 3).