Icom IC-40S instruction manual Transmit lockout, Optional HM-75A functions

7 OTHER FUNCTIONS

■Transmit lockout

The transmit lockout function inhibits transmission while re- ceiving a signal or when receiving a signal with an unmatched CTCSS tone.

qPush [LOW] for 2 sec. to enter set mode. w Push [LOW] several times until “Lo” appears.

e Push [Y] or [Z] to select the transmit lockout function or to turn the function OFF.

■Optional HM-75A functions

CAUTION: When connecting the HM-75A to the trans- ceiver, make sure that power to the transceiver is turned OFF, otherwise the CPU may malfunction.

DTurning the microphone remote control function ON/OFF

qPush [LOW] for 2 sec. to enter set mode.

wPush [LOW] several times until “mC” appears.

-“RPt” :

Transmission is impossible when receiving a signal with an unmatched CTCSS tone.

-“bUSy” :

Transmission is impossible when receiving a signal.

-“oFF” :

Transmission is always possi- ble.

rPush [LOW] for 2 sec. to exit set mode.

Transmission is impossible when receiving a signal with an unmatched CTCSS tone.

Transmission is impossible when receiving a signal.

ePush [Y] or [Z] to turn the microphone remote control function ON or OFF, respectively.

rPush [LOW] for 2 sec. to exit set mode.

DHM-75A functions

The optional HM-75A allows you to remotely select operating channels, output power, etc.

A SWITCH		PTT	A
			B
Toggles monitor function	ON	switch
and OFF.
B SWITCH		OFF ON
		LOCK
Selects the output power.		Lock switch:

Lockout function is cancelled.

Y/Z SWITCHES	Locks all
Selects the operating channels.	switches	Earphone
	except [PTT].	jack

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