Using the SERIAL connector
The serial connector which is on the side connector panel of the projector conforms to the
Control commands
The commands which the personal computer can use to control the projector are shown in the following table.
Connection
SERIAL(female)Computer
DIN
Serial adapter
You must use only
Pin layout and signal names for SERIAL connector
| 1 | 2 | |
| 3 | 5 | |
| 6 | 8 | |
| DIN | ||
| seen from outside | ||
Pin | Signal | Contents | |
No. | name | ||
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% | RXD | Received data | |
& | GND |
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' | TXD | Transmitted data | |
# |
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$ |
| Connected internally | |
( |
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) |
| NC | |
* |
| NC |
Communications settings
Signal level | |
Sync. method | Asynchronous |
Baud rate | 9600 bps |
Parity | None |
Character length | 8 bits |
Stop bit | 1 bit |
X parameter | None |
S parameter | None |
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Basic format
The data sent from the computer to the projector is transmitted in the format shown below.
STX Command : Parameter ETX
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Start byte |
| 1 byte | End byte | ||||
(02h) |
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| bytes (03h) | ||
3 bytes | 1 |
NOTE:
BThe projector can not receive the command for 10 seconds after the lamp is switched on. Wait 10 seconds before sending the command.
BIf sending multiple commands, check that a response has been received from the projector for one command before sending the next command.
BWhen a command which does not require parameters is sent, the colon (:) is not required.
BIf an incorrect command is sent from
the personal computer, the “ER401” command will be sent from the projector to the personal computer.
Command | Control | Remarks | ||
Contents | ||||
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PON | Power ON | the PON command are ignored. | ||
BThe PON command is ignored during | ||||
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| lamp ON control. |
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| BIf a PON command is received while the | ||
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| cooling fan is operating after the lamp | ||
POF | Power OFF | has switched off, the lamp is not turned | ||
back on again straight away, in order to | ||||
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| protect the lamp. |
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AVL | Volume | Parameter |
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| Input signal | Parameter |
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IIS | VID=VIDEO | |||
selection | ||||
| RG1=RGB1(YPBPR1) RG2=RGB2(YPBPR2) | |||
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| Parameter |
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| Lamp ON | 0 = Standby |
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Q$S | 1 = Lamp ON control active | |||
condition query | ||||
| 2 = Lamp ON |
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| 3 = Lamp OFF control active | ||
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Cable specifications
(When connected to a personal computer)
At the projector | At the computer |
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(DTE specifications) |
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| 7 |
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| 2 |
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| 8 |
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| 3 |
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| 4 |
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| 5 |
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| 5 |
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| 6 |
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| 7 |
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| 1 |
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| 8 |
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| 4 |
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