![background image](http://html2.mh-extra.com/html/lab599/discovery-tx-500/discovery-tx-500_quick-start-manual_3156833005.webp)
3
— VFO A / B
VFO A
Basic VFO
VFO B
4
— Info block 1
Basic modes or alternative modes:
Filter band width
Receiver gain (0-100)
Monitor (0-100)
Radio frequency gain
Volume (-50+5)
A
B
C
D
E
F
G
5
— Graph bar
Power output (PWR),
SWR, MIC, ALC
Transmit mode:
Power output (NUM),
SWR (NUM)
Receive mode:
S-meter
6
— Info block 2
A
C
B
D
F
G
E
L
I
J
K
– Noise reduction ON
– Noise blanking ON
– Notch filter ON
– Attenuator ON
– Monitor ON
– VOX ON
– Speech compression ON
– Preamp ON
– Squelch ON
– Split mode effect ON
– Virtual intermediate frequency ON
7
— Pan-adapter
Receiving or transmission channel
8
— Menu
Menu Up Menu Down
– Function buttons
4