
~ 8 ~
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
DE-9 [9-pin D-sub female] 2= TX, 3=RX, 5=GND
Command Set:
!is the start character to active a command
?is the start character to query status
~is the start character of the response
/x0D (<cr> aka carriage return) is the end character
Commands
(ASCII) Function Description Return Code (ASCII)
!AV01<cr> Switching to input 1 , (Audio/Video) ~AV01<cr>
!AV02<cr> Switching to input 2 , (Audio/Video) ~AV02<cr>
!AV03<cr> Switching to input 3 , (Audio/Video) ~AV03<cr>
!AV04<cr> Switching to input 4 , (Audio/Video) ~AV04<cr>
! V01<cr> Switching to input 1 of Video ~V01<cr>
! V02<cr> Switching to input 2 of Video ~V01<cr>
! V03<cr> Switching to input 3 of Video ~V03<cr>
! V04<cr> Switching to input 4 of Video ~V04<cr>
!A01<cr> Switching to input 1 of Audio ~A01<cr>
!A02<cr> Switching to input 2 of Audio ~A02<cr>
!A03<cr> Switching to input 3 of Audio ~A03<cr>
!A04<cr> Switching to input 4 of Audio ~A04<cr>
!UMAV<cr> Unmute the output of video/audio ~UMAV<cr>
!UMV<cr> Unmute (cut) the output of video ~UMV<cr>
!UMA<cr> Unmute (cut) the output of audio ~UMA<cr>
!MAV<cr> Mute(cut) the output of video/audio ~MAV<cr>
!MV<cr> Mute(cut) the output of video ~MV<cr>
!MA<cr> Mute(cut) the output of audio ~MA<cr>
?INFO1<cr> Checking the working status (switching status,
volume status, audio setting status.)
~V01<cr>
~A01<cr>
~VO30<cr>
~BS00<cr>
~TR00<cr>
!AS<cr> Jump to the Auto-Switching mode ~AS<cr>
Communciation Protocol