Planar EP Series User Manual page 3

RS232 Codes
RS232 control is not necessary for operation, but is a convenient way to control
displays from a computer at a distance. Most things you can do with the remote, you
can do with RS232 commands. Plus, you can send inquiries to the displays and find
out the current settings and values.
1
STX(1byte) + IDT(1byte)+ Type(1byte)+ CMD(3bytes)+ [Value/Reply(1byte)] +
ETX(1byte)
Transmit from PC (Host)
Return from Monitor: Sent after receiving any valid command. The response CMD is
the same as the received CMD.
2
Baud rate can be set to 115200, 38400, 19200, or 9600 to match the monitor baud
rate setting.
Baud rate 19200 is the default setting.
Explanation of symbols
▲
: Valid command on Power saving/ off mode (The setting of "Wake Up from Sleep"
must be "VGA, Digital, RS-232").
RS232 Command Format
STX: Start byte = 07
IDT: Don't care
Type: Read or Write command, 01: read, 02: write; 00: return to host (from
monitor)
CMD: As shown in the table on the following pages
Value: Setting Value of "Write Command"
Reply: Return Value of monitor
ETX: End byte = 08
Read command: 07 IDT 01 CMD 08 (7bytes)
Write/Setting command: 07 IDT 02 CMD VAL 08 (8bytes)
Serial Port Setting
Baud Rate
19200
EP-Series Ultra HD LCD Displays RS232 User Guide
Data Bit Parity Bit
8 None
Stop Bit
1
1