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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.
q Push [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.
- “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.
r Push [LOW] for 2 sec. to
exit set mode.
■ 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
q Push [LOW] for 2 sec. to enter set mode.
w Push [LOW] several times until “mC” appears.
e Push [Y] or [Z] to turn the microphone remote control
function ON or OFF, respectively.
r Push [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
Toggles monitor function ON
and OFF.
B SWITCH
Selects the output power.
Y/Z SWITCHES
Selects the operating channels.
Transmission is impossible
when receiving a signal with
an unmatched CTCSS tone.
Lockout function is cancelled.
Transmission is impossible
when receiving a signal.
A
B
OFF ON
LOCK
Lock switch:
Locks all
switches
except [PTT].
Earphone
jack
PTT
switch