4x1 HDTV Switcher
Operation Manual
CHDD-41AR
Pins definition of modem cable
Command Code
"I" + "1"
PORT 1 ON
"I" + "2"
PORT 2 ON
"I" + "3"
PORT 3 ON
"I" + "4"
"P" + "1"
"P" + "0"
POWER ON
POWER OFF
Comment
PORT 4 ON
CHDD-41AR RS-232 Remote Control Protocol
* The connection between CHDD-41AR and remote controller with RS-232 modem cable.
* RS-232 transmission format:
Baud Rate : 9600 bps
Data Bit : 8 Bits
Parity: None
Stop Bit: 1 bit
* Command :
CHDD-41AR
PIN
1
2
3
4
5
6
7
8
9
Definition
NC
T xD
R x D
NC
GND
NC
NC
NC
NC
PIN
1
2
3
4
5
6
7
8
9
Definition
NC
R xD
T x D
NC
GND
NC
NC
NC
NC
Remote Controller
Operation controls and functions
Front Panel
POWER
1
2
3
4
INPUT
CHDD-41AR 4x1 HDTV Switcher
2
1
3
5
6
4
7
8 9 10 11
1. Power indicator LED.
2. Power: Press POWER button to turn on the unit for working.
3. IR sensor: Infrared remote control sensor.
4. Input 1 indicator LED.
5. Input 1: Press this button, then LED lights up, source 1 is selected.
6. Input 2 indicator LED.
7. Input 2: Press this button, then LED lights up, source 2 is selected.
8. Input 3 indicator LED.
9. Input 3: Press this button, then LED lights up, source 3 is selected.
10. Input 4 indicator LED.
11. Input 4: Press this button, then LED lights up, source 4 is selected.
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
Y/V1
DC 5V
Pb/V2
Pr/V3
Y/V1
Pb/V2
Pr/V3
Y/V1
Pb/V2
Pr/V3
Y/V1
Pb/V2
Pr/V3
Y/V1
Pb/V2
Pr/V3
INPUT 1
INPUT 2
INPUT 3
INPUT 4
OUTPUT
RS232
Rear Panel
1
2
3
4
5
6
7
1. RS232: 9-pin D-sub female connector for connecting to your other control
console for remote control.
2. YUV/Composite output: Use a 3 RCA to 3 RCA cable to connect to your display.
3. YUV/Composite Input 4 : Use a 3 RCA to 3 RCA cable to connect to your
source 4.
4. YUV/Composite Input 3 : Use a 3 RCA to 3 RCA cable to connect to your
source 3.
5. YUV/Composite Input 2 : Use a 3 RCA to 3 RCA cable to connect to your
source 2.
6. YUV/Composite Input 1 : Use a 3 RCA to 3 RCA cable to connect to your
source 1.
7. DC power jack: 5V 1A power input, .
2