3)Control sequence
(1)The command from a computer to the LCD monitor will be sent in 600 ms.
(2)The LCD monitor will send a return command 600 ms* after it has received and encoded. If the command isn’t received correctly, the LCD monitor will not send the return command.
(3)The personal computer checks the command and confirms if the command, which has been sent, has been executed or not.
(4)This LCD monitor sends various codes other than return code. When having a control sequence by
*: The sending time of return command may delay depending on the condition (during changing of the input signal, etc.). Example: Turn the power ON ( ’ ’ is for ASCII code)
Sending commands | Status code from | Meaning | |
from the PC | LCD monitor | ||
| |||
30 30 21 0D |
| Command for | |
’0’ ’0’ ’!’ ’ ’ |
| POWER ON | |
| 30 30 21 0D | Command received | |
| ’0’ ’0’ ’!’ ’ ’ | (Command echoed back) |
4) Operation commands
The operation commands execute the basic operation setting of this LCD monitor.
It may not operate when changing the signal:
Operation | ASCII | HEX |
POWER ON | ! | 21h |
POWER OFF | " | 22h |
|
|
|
INPUT RGB 1 | _r1 | 5Fh 72h 31h |
|
|
|
INPUT RGB 2 | _r2 | 5Fh 72h 32h |
|
|
|
INPUT RGB 3 | _r3 | 5Fh 72h 33h |
|
|
|
INPUT RGB 4 | _r4 | 5Fh 72h 34h |
INPUT RGB 5 | _r5 | 5Fh 72h 35h |
INPUT VIDEO | _v1 | 5Fh 76h 31h |
INPUT DVD/HD | _v2 | 5Fh 76h 32h |
|
|
|
INPUT | _v3 | 5Fh 76h 33h |
|
|
|
5) Read command
•POWER OFF command should be operated over 1 minute after the power is turned on.
•POWER ON command should be operated over 1 minute after
the power is turned off.
*
Host computer sends the command without
After receiving this command, the monitor returns the command with
| Command from computer |
| Command from Monitor |
| Detail of command |
|
|
| ||||||
| 30 30 76 50 0D | '0''0''v''P'[enter] |
|
|
|
|
|
| Ask about the power status of monitor | |||||
|
|
|
| 30 30 76 50 | 31 0D | '0''0''v''P''1'[enter] |
| Monitor is | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Structure of the |
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
| ASCII |
|
| HEX | |||
|
|
|
|
|
| Function |
| Data (Receive) |
| Function |
| Data (Receive) |
| |
| POWER | ON |
|
|
| vP |
| 1 |
|
| 76 50 |
| 31 |
|
| OFF (stand by) |
|
|
| vP |
| 0 |
|
| 76 50 |
| 30 |
| |
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
| vI |
| r1 |
| 76 49 |
| 72 31 |
| ||
|
|
|
|
| vI |
| r2 |
| 76 49 |
| 72 32 |
| ||
|
|
| vI |
| r3 |
| 76 49 |
| 72 33 |
| ||||
| Input |
|
|
| vI |
| r4 |
| 76 49 |
| 72 34 |
| ||
|
|
|
| vI |
| r5 |
| 76 49 |
| 72 35 |
| |||
|
|
|
|
|
|
|
|
| ||||||
|
| Video |
|
|
| vI |
| v1 |
| 76 49 |
| 76 31 |
| |
|
| DVD/HD |
|
|
| vI |
| v2 |
| 76 49 |
| 76 32 |
| |
|
|
|
|
| vI |
| v3 |
| 76 49 |
| 76 33 |
| ||
| Picture mode | HIGHBRIGHT |
|
|
| vM |
| p1 |
| 76 4D |
| 70 31 |
| |
| STANDARD |
|
|
| vM |
| p2 |
| 76 4D |
| 70 32 |
| ||
|
|
|
|
|
|
|
|
| ||||||
| Temperature | Around | resolution |
| tc1 |
| (ex.) +25 |
| 74 63 31 |
| 2B 20 32 35 |
| ||
| Main board | 1 ˚C |
|
|
|
|
| |||||||
| of internal |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Around | resolution |
|
|
|
|
|
|
|
|
|
| ||
| monitor |
| tc2 |
| (ex.) +31 |
| 74 63 32 |
| 2B 20 33 31 |
| ||||
| Power PCB | 1 ˚C |
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
