4. Command list
4.1 Operation commands
The operation commands are used for the basic operation setting of this projector. They may not be executed while the signals are changed. The operation commands have no data codes.
ITEM | Function | Note | ||
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Character | ASCII | |||
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POWER ON | ! | 21h | This command is invalid during cooling after the power is turned off. | |
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POWER OFF | " | 22h | This command is invalid during splash screen displaying after the power is turned on. | |
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INPUT COMPUTER 1 | _r1 | 5Fh 72h 31h | This command will not be executed in | |
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INPUT COMPUTER 2 | _r2 | 5Fh 72h 32h | This command will not be executed in | |
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INPUT VIDEO | _v1 | 5Fh 76h 31h | This command will not be executed in | |
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INPUT | _v2 | 5Fh 76h 32h | This command will not be executed in | |
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INPUT HDMI | _d1 | 5Fh 64h 31h | This command will not be executed in | |
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[Example] When setting the input signal to COMPUTER 1. (Values enclosed in quotation marks are ASCII codes.):
Command sent from the PC, etc. | Status code returned | Description | |
from the projector | |||
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‘30’ ‘30’ ‘5F’ ‘72’ ‘31’ ‘0D’ |
| Command for setting the input signal to | |
00_r1 |
| COMPUTER 1 | |
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| ‘30’ ‘30’ ‘5F’ ‘72’ ‘31’ ‘0D’ | Command receipt confirmation | |
| 00_r1 | (Command echo back) |
4.2 Reading command diagram
The projectors operating status, such as
ITEM | Character |
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Function | Data (Receive) | Function | Data (Receive) | ||
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POWER ON | vP | 1 | 76h 50h | 31h | |
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POWER OFF | vP | 0 | 76h 50h | 30h | |
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INPUT COMPUTER 1 | vI | r1 | 76h 49h | 72h 31h | |
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INPUT COMPUTER 2 | vI | r2 | 76h 49h | 72h 32h | |
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INPUT VIDEO | vI | v1 | 76h 49h | 76h 31h | |
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INPUT | vI | v2 | 76h 49h | 76h 32h | |
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INPUT HDMI | vI | d1 | 76h 49h | 64h 31h | |
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Use the following commands to obtain the values of the lamp time.
ITEM |
| Function | Data (Receive) | |
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Character | ASCII | |||
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LAMP TIME (LOW) | vLE | 76h 4Ch 45 | hhhhhmm | |
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“hhhh” and “mm” represent hours and minutes respectively.
Use the following commands to obtain other information.
ITEM |
| Function | Data (Receive) | |
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Character | ASCII | |||
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VOLUME | VL | 56h 4Ch | ||
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The PC sends the command without attaching the data code to it. On the other hand, the projector attaches to the received command its current operating status as the data code and send it back to the PC.
[Example] | When checking the currently selected input terminal (when the INPUT VIDEO is being selected). | |||
| (Values enclosed in quotation marks are ASCII codes.): |
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Command sent from the PC, etc. | Status code returned | Description | ||
from the projector | ||||
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‘30’ ‘30’ ‘76’ ‘49’ ‘0D’ |
| Command for checking the input | ||
00vl |
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| ‘30’ ‘30’ ‘76’ ‘49’ ‘76’ ‘31’ ‘0D’ | Check result (VIDEO) | |
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| 00vlv1 |
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5
