Hitron 50201270, Instruction Manual, Page: 16 / 25

9
4.6 EXTERNAL A/D KEY CONTROL
External Controller Circuit Schematic
A/D KEY Control Circuit
Remote Controller
1
1
2
2
1
1
2
2
1
1
2
2
1
1
2
2
1
1
2
2
R22 150
R20 12K
R21 5.6K
Sw10 TELE
R19 22K
Sw1
1
WIDE
Sw13
F
AR
Sw12
NEAR
R18 33K
Sw9 MENU
A/D KEY
A/D KEY
(ORANGE)
Remote Controller
3
MENU
TELE
NEAR FAR
WIDE
GND
(BLACK)
A/D KEY
(WHITE)
1m
95mm
42mm
GND(RED)