Operation
15
Description for functions of keys on panel
S/N
Name of keys
Operation
Short press
Long press
1
PTT
Depend on PTT mode settings (assume that current frequency band is allowed to be transmitted):
Normal PTT mode: press to enter transmitting state and loose to enter receiving state
PTT triggering mode: switch between receiving and transmitting after every press
2
Increase volume (a large
loudspeaker icon)
Increase 1 receiving volume
Continuous increase of receiving volume until
loosening the key
3
Decrease volume (a small
loudspeaker icon)
Decrease 1 receiving volume
Continuous decrease of receiving volume until
loosening the key
4
DN
Last wave band (progressive decrease of
frequency)
No
5
UP
Next wave band (progressive increase of
frequency)
No
6
PWR
None
Power ON/OFF
7
PRE/ATT
Bypass
PRE ON
ATT ON
Cycle
Not available
8
MODE
Mode LSB/USB/CW/CWR
NFM/AM
Cycle
SPLT on/off
Cycle
9
NB
Impulse noise
suppressor
On/Off
Cycle
Switch battery gauge/voltmeter
to circularly display them
