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RS-232C external control
2-3 Parameters used for the data format
The following three kinds of parameters are prepared for the control command and response data.
(1) Numeric value
Designates the 2-byte hexadecimal value with the sign as the 4-digit (byte) characters.
Designation allowable range: “8000” to “7FFF”
(2) ON/OFF
Designates the status (ON/OFF) of the projector, such as POWER and HIDE.
(3) Special parameters
Input switching parameters:
Operation mode parameters:
3. Control command table
The control commands that can be sent from the computer are as follows:
*Keystone: Numeric value can range from “FF80” to “0080”
*Operation mode: Only Asking command is possible
Character Hex. Meaning
“0” 30 OFF
“1” 31 ON
Character Hex. Meaning
“0” 30 Y/C
“1” 31 VIDEO
“2” 32 COMP
“3” 33 PC1
“4” 34 PC2
“5” 35 DVI
Character Hex. Meaning
“0000” 30h, 30h, 30h, 30h Stand-by mode
“0001” 30h, 30h, 30h, 31h Power-on mode
“0002” 30h, 30h, 30h, 32h Cool-down mode
“0004” 30h, 30h, 30h, 34h Warning mode
Function Command
Asking Kind of data
Power ON ELSE Numeric Value ON/OFF Special Data
OPERATE U0F – – – ✓ –
HIDE U00 ✓ –– ✓ –
Right Left rev. U17 ✓ –– ✓ –
Top Bottom inv. U18 ✓ –– ✓ –
Keystone U40 ✓ – ✓ ––
Input U1A
✓ –– –
Y/C, VIDEO, PC1, PC2,
COMP, DVI
Operation mode Z03
✓✓ ––
Stand-by, Power-on,
Cool-down, Warning