User`s manual
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Delimiter
CR (0Dh): End of packet
7.2 Power control
1) The controller requests the monitor to control monitor power.
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'A' (41h): Monitor ID
If the command should be sent to certain monitor only, the either of character ‘A’(41h) to ‘Z’(5Ah)
which is corresponding to monitor ID from No1 to No.26 should be set to this portion. If it is
a broad cast command(only “set command” is available), then the ’*’(2Ah)should be applied.
'0' (30h): Message sender is the controller
'A' (41h): Message type is "Command"
'0'-'C (30h, 43h): Message length is 12 bytes
Message
STX (02h): Start of Message
'C'-'2’,'0'-'3'-'D'-'6' (43h, 32h, 30h, 33h, 44h, 36h): power control command
'0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Power mode
0001: ON
0002, 0003: Do not set.
0004: Sleep/Standby (power save),OFF (same as power off by IR)
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 “Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet.
2) The monitor replies a data for confirmation.(If command is sent as
“
Broadcast
”
then no reply
should be sent back.).
Header Message Check code Delimiter
SOH-'0'-'0'-'A'-'B'-'0'-'E' STX-'0'-'0'-'C'-'2'-'0'-'3'-'D'-'6'-
'0'-'0'-'0'-'1'-ETX
BCC CR
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message sender is the controller
'A' (41h): Monitor ID
This portion should depend on the monitor ID of Monitor.( ’A’(41h)-‘Z’(5Ah)).
'B' (42h): Message type is "Command reply"
'N'-'N': Message length.
Note.) The maximum data length that can be written to the monitor at a time is 32bytes.
Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (32h and 30h).
Message
STX (02h): Start of Message
'0'-'0' (30h, 30h): Result code. No error
'C'-'2’,'0'-'3'-'D'-'6' (43h, 32h, 30h, 33h, 44h, 36h): power control reply command
The monitor replies same as power control command to the controller.
'0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Power mode
0001: ON
0002, 0003: Do not set.
Header Message Check code Delimiter
SOH-'0'-'A'-'0'-'A'-'0'-'C' STX-'C'-'2'-'0'-'3'-'D'-'6'-
'0'-'0'-'0'-'1'-ETX
BCC CR