All communication to the device should be sent with hexadecimal values.
Depending on the control software, verify that the commands are formatted and sent correctly as hexidecimal digits and not ASCII characters.

This document uses the prefix “0x” to indicate that the next characters are a hexadecimal base 16 digit.

Serial Port Setup

Baud Rate

19200 bps

Data Length

8 bits

Parity

None

Stop Bit Length

1 bit

Flow Control

None

Telnet Port Setup

TCP/UDP Port

6688

Make sure to verify the network tool supports hexadecimal commands.

Command Table

Command

Response

Power ON

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x00 0xCF

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x00 0x01 0xCF

Power OFF

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x01 0xCF

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x01 0x01 0xCF

Mute / Unmute

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x02 0xCF

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x02 0x01 0xCF

Volume Up

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x18 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x18 0x01 0xCF

Volume Down

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x17 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x17 0x01 0xCF

Set Volume

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x05 0xXX 0xCF

Note: 0xXX indicates the value of the volume: 0x00 (0%) to 0x64 (100%)

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x05 0xXX 0x01 0xCF

Note: 0xXX indicates the value of the volume: 0x00 (0%) to 0x64 (100%)

Signal Source: HDMI 1

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x53 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x53 0x01 0xCF

Signal Source: HDMI 2

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x52 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x52 0x01 0xCF

Signal Source: USB-C Front

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x54 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x54 0x01 0xCF

Signal Source: USB-C Rear

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x55 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x55 0x01 0xCF

Signal Source: OPS PC

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x38 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x38 0x01 0xCF

Signal Source: DisplayPort

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x56 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x38 0x56 0xCF

Launch i3 Whiteboard

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x07 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x07 0x01 0xCF

Home

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x1C 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x1C 0x01 0xCF

Return (exit)

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x1D 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x1D 0x01 0xCF

Enter (OK)

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2B 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2B 0x01 0xCF

Navigate Left

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2C 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2C 0x01 0xCF

Navigate Right

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2D 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2D 0x01 0xCF

Navigate Up

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2E 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2E 0x01 0xCF

Navigate Down

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2F 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x2F 0x01 0xCF

Capture Screen Image

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x1F 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x1F 0x01 0xCF

Freeze Screen Toggle

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x3B 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x3B 0x01 0xCF

Freeze Screen ON

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x0B 0x00 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x0B 0x00 0x01 0xCF 

Freeze Screen OFF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x0F 0x01 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x0B 0x01 0x01 0xCF 

Increase Backlight Brightness

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x47 0xCF

0x7F 0x09 0x99 vA2 0xB3 0xC4 0x02 0xFF 0x01 0x47 0x01 0xCF

Decrease Backlight Brightness

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x48 0xCF

0x7F 0x09 0x99 vA2 0xB3 0xC4 0x02 0xFF 0x01 0x48 0x01 0xCF

Set Backlight Brightness

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x09 0xXX 0xCF

Note: 0xXX indicates the value of the brightness: 0x00 (0%) to 0x64 (100%)

0x7F 0x09 0x99 vA2 0xB3 0xC4 0x02 0xFF 0x09 0xXX 0x01 0xCF

Note: 0xXX indicates the value of the brightness: 0x00 (0%) to 0x64 (100%)


Request Table

Request

Response

Note

Power Status

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x37 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x37 0xXX 0xCF

0xXX indicates the power on/off state.

0x00: Power OFF
0x01: Power ON

Mute Status

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x82 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x82 0xXX 0xCF

0xXX indicates the power on/off state.

0x00: Not Muted
0x01: Muted

Current Signal Source

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x50 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x50 0xXX 0xCF

0xXX indicates the current signal source

0x30 = Android
0x17 = OPS PC
0x20 = DisplayPort
0x1F = HDMI 1
0x1E = HDMI 2
0x00 = USB-C Front
0x01 = USB-C Rear

Speaker volume

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x33 0xCF

0x7F 0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x33 0xXX 0xCF

0xXX indicates the value of the volume

0x00 = 0%
0x64 = 100%

Backlight brightness

0x7F 0x08 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x49 0xCF

0x7F 0x0x09 0x99 0xA2 0xB3 0xC4 0x02 0xFF 0x01 0x49 0xXX 0xCF

0xXX indicates the value of the brightness

0x00 = 0%
0x64 = 100%