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4x1 HDTV Switcher
Operation Manual
CHDD-41AR
Pins definition of modem cable
Command Code
"I" + "1"
"I" + "2"
"I" + "3"
"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 :
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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
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Applications:
CHDD-41AR HD/SD switcher is designed for switching between various HD and
SD sources for sharing one TV display.
Simply pressing a button on remote control you can select your desired HD/SD
source for display on the TV monitor.
Features:
- Component/ composite switcher.
- Ideal for home theater and presentation application.
- High bandwidth performance 650MHz at -3dB.
- IR remote control.
- Easy to install and operate- plug and play solution gets to work immediately.
- CHDD-41AR can be controlled either through input selection
button on the front panel or using included infrared remote control.
- RS-232 interface allows control from a distant device.
- Supports HDTV high resolution : 480i, 576i, 480p, 576p, 720p,
1080i and 1080p.
- Supports audio formats: S/PDIF (digital) and L/R (analog).
Package includes:
- CHDD-41AR remote control.
- 4 x1 HD/SD switcher w/RS-232.
- 5V DC power supply.
- User's manual.
- One set of 2 RCA to 2 RCA audio cable.
- One set of 3 RCA to 3 RCA video cable.
- A 3A lithium battery.
1
Operation controls and functions
Front Panel
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.
Rear Panel
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, center +.
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Operation controls and functions
Front Panel
POWER
1
2 3 4
INPUT
CHDD-41AR 4x1 HDTV Switcher
21 3
5 64 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/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3
INPUT 1
INPUT 2INPUT 3INPUT 4OUTPUT
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, center +.
2
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Remote Control
1
2
3
4
5
1. Power: Switch between power ON and Standby.
2. Press button 1 to select source 1.
3. Press button 2 to select source 2.
4. Press button 3 to select source 3.
5. Press button 4 to select source 4.
Note: Replacement battery can be found
at a local electronic retail store.
Specifications:
- Input:
YUV(YPbPr) x 4 via 3 RCA connectors 1 Vp-p @ 75 ohm
Composite Video x 4 via RCA connectors 1Vp-p @ 75 ohm
S/PDIF (Digital format) x 4 via coaxial connectors, 0.5~1 Vp-p@75 ohm load.
Stereo L/R(Analog format) x 4 via 2 RCA connectors
- Output:
YUV (YPbPr) x 1 via 3 RCA connectors 1 Vp-p @ 75 ohm
Composite Video x 1 via RCA connectors 1 Vp-p @ 75 ohm
S/PDIF (Digital format) x 1 via coaxial connector, 0.5~1 Vp-p@75 ohm load.
Stereo L/R (Analog format) x 1 via 2 RCA connectors
- Bandwidth: 650MHz (-3dB)
- RS-232 interface control via DB-9 female connector
- Infrared remote control sensor via remote control unit.
- Differential gain: 0.05%
- Differential phase: 0.05% degree
- Power consumption: 5W(max.)
- Dimensions: 292(W) x 176(D) x 47.5(H)mm
- Unit weights: 1.5Kgs
Pull out the tab to
activate battery
3
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Connection and Installation:
1. Works as a 4-in 1-out HD switcher for sharing one HDTV display.
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
Y/V1
DC 5V
Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3
INPUT 1
INPUT 2INPUT 3INPUT 4OUTPUT
RS232
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
COAXIAL
L
R
Y/V1
DC 5V
Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3Y/V1Pb/V2Pr/V3
INPUT 1
INPUT 2INPUT 3INPUT 4OUTPUT
RS232
Plasma/LCD TV
or any monitor
with YUV input
YUV input 4
DVD 4
YUV input 3
DVD 3
YUV input 2
DVD 2
YUV input 1
DVD 1
Composite
input 4
DVD 4
Composite
input 3
DVD 3
Composite
input 2
DVD 2
Composite
input 1
DVD 1
2. Works as a 4-in 1-out composite switcher for sharing one SDTV display.
CRT or any monitor
with RCA input
Trouble Shooting Guide:
When there is no picture, please check:
1. Whether all connectors connect well or not ? Or
2. Whether the connecting cable is damaged ?
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