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Input video support mode, Operation, Rs232 control protocol – Avlink 3SC-02MW User Manual

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Input Video Support Mode

Analog Resolution Frequency(Hz)

525i(NTSC) 1440x480

59.94

625i(PAL) 1440x576

50

720p 1280x720 50/59.94/60

1080i 1920x1080 50/59.94/60

1080p 1920x1080

23.98/24/25/29.97/30

1080p 1920x1080 50/59.94/60

Operation

The 3SC-02MW will detect input video resolution automatically
and scale the video to the assigned video output resolution.
(NTSC/PAL)
The user can change the output resolution in the OSD

OSD operation

After the user press the “MENU” button, the 3SC-02MW will
pop-up the OSD screen.

“BRIGHT” setting:

The user can adjust the video brightness here.


“CONTRAST” setting:

The user can adjust the video contrast here.


“SATURATION” setting:

The user can adjust the video saturation here.


“VIDEO OUT” setting:

The user can change the video output resolution to NTSC or
PAL.


“AUDIO” setting:

The user can enable or disable both the analog and coaxial
audio output.


“Enter” button:

- To enter the “EDIT” mode of the parameter where the

selection bar located.

- After change the value by “up” or “down”, you can back

to select other setting by pressing “menu” button.

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“UP” or “DOWN” button:

- The user can select various functions by pressing “up” or
“down” button in the front panel to move the selection bar.

- In “EDIT” mode, pressing “up” or “down” button can
change the value of selected function.


“”MENU” button:

- Start the “OSD” in the screen by pressing the “menu”

button.

- Pressing the “menu” button again will close the OSD

and save all the video setting.

RS232 control protocol

BAUD rate: 4800bps, 8-bit data, 1 stop bit
After the Server sends the one command to 3SC-02MW,
3SC-02MW will response the result or the information required
from the server by the command.

Server => 3SC-02MW command Format

Command byte

Data byte

checksum byte

Byte#0 Byte#1

Byte#2

*Checksum byte: check sum from Byte#0~Byte#2

Server => 3SC-02MW command list

Command

byte

Data

byte

ACK type

(from

3SC-02MW)

Function

0xa0

0x00

B

Get model name

0x01

B

Get

possible

output resolution
number

0x02

B

Get

adjustable

video parameter
number.

0x03

B

Get does support
audio control.

0xa1 0x00~

0xff

A Brightness

Default: 0x80

0xa2 0x00~

0xff

A Contrast

Default: 0x80

0xa3 0x00~

0xff

A Saturation

Default: 0x80

0xb0 0x00

/0x01

A Output

resolution

0:NTSC
1:PAL
Default: 0x00

0xb1 0x00

/0x01

A Audio

enable

0:off / 1:on
Default: 0x01

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Example: set the brightness to be the value 0x02

Server sends: 0xa1, 0x02, 0x5d

3SC-02MW reply: 0xa5, 0x96


3SC-02MW => Server command

Type “A” format

Ack byte

checksum
byte

note

0xa5

0x5b

Means: “ACK”, 3SC-02MW
receives an available command

0x6a

0x96

Means: “NAK”, 3SC-02MW
receives unknown command or
data byte exceeds the range.


Type “A” ACK format

Ack byte

checksum
byte

note

0xa5

0x5b

Means: “ACK”, 3SC-02MW
receives an available command

0x6a

0x96

Means: “NAK”, 3SC-02MW
receives unknown command or
data byte exceeds the range.


Type “B” ACK format

ACK
byte

Length
byte

Data byte

checksum
byte

Order

Byte#0 Byte#1 Byte#2~Byte#N Byte#N+1

value

0x5a N+2 0x00~0xff

0x00~0xff

*Checksum byte: check sum from Byte#0~Byte#N+1

Example: get model name of 3SC-02MW

Server sends: 0xa0, 0x00, 0x60

3SC-02MW reply: 0x5a, 0x0a, ‘3’, ‘S’, ‘C’, ‘-’, ‘0’, ‘2’,
‘M’, ‘W’, 0xa0






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referred to this manual are the trademarks or
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