ALF-21E-SOFTCODEC
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6.2 RS232 Command
Communication protocol:
RS232 Communication Protocol
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
Note:
All commands need to be ended with “<CR><LF>”.
In the commands, “[”and “]” are symbols for easy reading and do not need to be
typed in actual operation.
Type the command carefully, it is case-sensitive.
6.2.1 Device Control
Command
Description
Command & Feedback
Example
#GET_FIRMWARE_VE
RSION
Get the firmware version.
@V1.0.0
#FACTORY_RESET
Factory reset.
@FACTORY_RESET
#REBOOT
System reboot
@REBOOT
#HELP
Get the command details.
Example: #HELP
SET_AV
Feedback:
@SELECT VIDEO AND
AUDIO INPUT PORT
#SET_AV PARAM1
PARAM1=H,C
H - HDMI
C - TYPE-C
6.2.2 Source Switching
Command
Description
Command & Feedback
Example
#SET_AV H
Switch to HDMI input.
@AV H
#SET_AV C
Switch to USB-C input.
@AV C
#GET_AV
Get the current input source.
@AV H
@AV C
#SET_AUTO_SWITCH 1
Enable auto switching mode.
@AUTO_SWITCH 1
#SET_AUTO_SWITCH 0
Disable auto switching mode.
@AUTO_SWITCH 0
#GET_AUTO_SWITCH
Get the auto switching status.
@AUTO_SWITCH 1
@AUTO_SWITCH 0
Summary of Contents for ALF-21E-SOFTCODEC
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