1
US-903DC
2
PRO
Dual Channel PLL Diversity Receiver
RF
UHF
AF
SET
B
GROUP
MIN
3 4
SET
A
POWER
PUSH OPEN
5
VOL
CHANNEL
GROUP
CHANNEL
MAX
6
MIN
7
8
9
10
9
8
7
MAX
VOL
6
12
11
3
12
RF
AF
MUTE
GROUP
a
13
3
14
b
A
B
A
CHANNEL
c
15
B
GROUP
MUTE
CHANNEL
d
16
e
17
13
