■ Front, top and side panels
Antenna
Speaker
Microphone
[Side]*
* The [Side] and [Top] key functions are dealer assignable.
1 [PTT] SWITCH
Hold down to transmit, release to receive.
2 [CH/SET] KEY
z On the Standby screen, push to enter
or exit the Channel Select mode.
z On the Standby screen, hold down for
1 second to enter the Set mode.
z In the Set mode, push to move
between the setting items, and hold
down for 1 second to return to the
Standby screen.
3 [ ] KEY
Hold down for 1 second to turn the
transceiver ON or OFF.
4 SPEAKER MICROPHONE JACK
To connect an optional speaker
microphone or headset.
5 USB CONNECTOR (Type-C) [USB]
For only charging the battery.
L The USB connector does not support
USB Power Delivery (USB PD) or a
data communication.
CAUTION: DO NOT use the transceiver without the connector covers or the optional
equipment attached.
The transceiver meets IP54 requirements for dust-tight and splash resistance only when
the connector covers or the optional HM-183LS is attached.
PANEL DESCRIPTION
[Top]*
1
2
3
6 [MONI] KEY
7 [
8 [▲]/[▼] KEY
4
Function display
5
6
7
8
While holding down this key, the Monitor
function is ON on the Standby screen.
] KEY
On the Standby screen, hold down for
1 second to turn the Lock function ON or
OFF.
z On the Standby screen, push to
adjust the audio level.
z In the Set mode and the Channel
Select mode, push to select a value.
2
1
1
2
2
3
3
6
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