InFocus LP 850 Gebrauchs- und Pflegehandbuch
LP840/LP850
1
RS-232 communication
(1) Turn off the projector and computer. Connect the RS-232C adapter via the RS-232C cable.
(2)Turn on the computer. Once the computer has started up, turn on the projector.
1
23
4
5
6
7
89
10
11
1213
1415
Control jack
D-sub 15-pin shrink jack
Projector Computer
Communications setting
19200bps, 8N1
1 Protocol
Consistsof header (7 bytes) + command data (6 bytes).
2 Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high.
CRC_low : Lower byte of CRC flag for command data.
CRC_high : Upper byte of CRC flag for command data.
3 Command data
Command data chart
byte_0 byte_1
Action
low high
byte_2 byte_3
Type
low high
byte_4 byte_5
Setting code
low high
Action Classification Content
Action (byte_0 - 1)
1 SET Change setting to desired value.
2 GET Read projector internal setup value.
4 INCREMENT Increment setup value by 1.
5 DECREMENT Decrement setup value by 1.
6 EXECUTE Run a command.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RD
TD
GND
SELO
RTS
1
2
3
4
5
6
7
8
9
CD
RD
TD
DTR
GND
DSR
RTS
DTS
RI
12345
6789
RS-232C jack
D-sub 9-pin
RS-232C adapter
LP840/LP850
2
Requesting projector status (Get command)
(1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes) +‘00H’+‘00H’) from the
computer to the projector.
(2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer.
Changing the projector settings (Set command)
(1) Send the setting code Header + Command data (‘01H’+‘00H’+ type (2 bytes) + setting code (2 bytes))
from the computer to the projector.
(2) The projector changes the setting based on the above setting code.
(3) The projector returns the response code ‘06H’ to the computer.
Using the projector default settings (Reset Command)
(1) The computer sends the default setting code Header + Command data (‘06H’+‘00H’+ type (2 bytes) +
‘00H’+‘00H’) to the projector.
(2) The projector changes the specified setting to the default value.
(3) The projector returns the response code ‘06H’ to the computer.
Increasing the projector setting value (Increment command)
(1) The computer sends the increment code Header + Command data (‘04H’+‘00H’+ type (2 bytes) +‘00H’+
‘00H’) to the projector.
(2) The projector increases the setting value on the above setting code.
(3) The projector returns the response code ‘06H’ to the computer.
Decreasing the projector setting value (Decrement command)
(1) The computer sends the decrement code Header + Command data (‘05H’+‘00H’+ type (2 bytes) +‘00H’+
‘00H’) to the projector.
(2) The projector decreases the setting value on the above setting code.
(3) The projector returns the response code ‘06H’ to the computer.
When a command sent by the projector cannot be understood by the computer
When the command sent by the projector cannot be understood, the error command ‘15H’ is returned by the
computer. Some times, the projector ignores RS-232C commands during other works. If the error command
‘15H’ is returned, please send the same command again.
When data sent by the projector cannot be practice
When the command sent by the projector cannot be practiced, the error code ‘1cH’ +‘xxxxH’ is returned.
When the data length is greater than indicated by the data length code, the projector will ignore the excess
data code.
Conversely, when the data length is shorter than indicated by the data length code, an error code will be
returned to the projector.
NOTE:
Operation cannot be guaranteed when the projector receives an undefined command or data.
Provide an interval of at least 40ms between the response code and any other code.
The projector outputs test data when it is switched ON, and when the lamp is lit. Ignore this data.
Commands are not accepted during warm-up.
LP840/LP850
3
Names Operation type Header Command data
CRC Action Type Setting code
Blank Color Set
Blue BE EF 03 06 00 CB D3 01 00 00 30 03 00
White BE EF 03 06 00 6B D0 01 00 00 30 05 00
Black BE EF 03 06 00 9B D0 01 00 00 30 06 00
MyScreen BE EF 03 06 00 FB CA 01 00 00 30 20 00
ORIGNAL BE EF 03 06 00 FB E2 01 00 00 30 40 00
Get BE EF 03 06 00 08 D3 02 00 00 30 00 00
Mirror Set
Normal BE EF 03 06 00 C7 D2 01 00 01 30 00 00
H Inverse BE EF 03 06 00 57 D3 01 00 01 30 01 00
V lnverse BE EF 03 06 00 A7 D3 01 00 01 30 02 00
H&V Inverse BE EF 03 06 00 37 D2 01 00 01 30 03 00
Get BE EF 03 06 00 F4 D2 02 00 01 30 00 00
Freeze Set Normal BE EF 03 06 00 83 D2 01 00 02 30 00 00
Freeze BE EF 03 06 00 13 D3 01 00 02 30 01 00
Get BE EF 03 06 00 B0 D2 02 00 02 30 00 00
Startup Set
ORIGNAL BE EF 03 06 00 0B D2 01 00 04 30 00 00
OFF BE EF 03 06 00 9B D3 01 00 04 30 01 00
MyScreen BE EF 03 06 00 CB CB 01 00 04 30 20 00
Get BE EF 03 06 00 38 D2 02 00 04 30 00 00
Language Set
English BE EF 03 06 00 F7 D3 01 00 05 30 00 00
Français BE EF 03 06 00 67 D2 01 00 05 30 01 00
Deutsch BE EF 03 06 00 97 D2 01 00 05 30 02 00
Español BE EF 03 06 00 07 D3 01 00 05 30 03 00
Italiano BE EF 03 06 00 37 D1 01 00 05 30 04 00
Norsk BE EF 03 06 00 A7 D0 01 00 05 30 05 00
Nederlands BE EF 03 06 00 57 D0 01 00 05 30 06 00
Português BE EF 03 06 00 C7 D1 01 00 05 30 07 00
BE EF 03 06 00 37 D4 01 00 05 30 08 00
BE EF 03 06 00 A7 D5 01 00 05 30 09 00
BE EF 03 06 00 57 D5 01 00 05 30 0A 00
Get BE EF 03 06 00 C4 D3 02 00 05 30 00 00
Magnify
Get BE EF 03 06 00 7C D2 02 00 07 30 00 00
Increment BE EF 03 06 00 1A D2 04 00 07 30 00 00
Decrement BE EF 03 06 00 CB D3 05 00 07 30 00 00
Auto off
Get BE EF 03 06 00 08 86 02 00 10 31 00 00
Increment BE EF 03 06 00 6E 86 04 00 10 31 00 00
Decrement BE EF 03 06 00 BF 87 05 00 10 31 00 00
Brightness Reset
Execute BE EF 03 06 00 58 D3 06 00 00 70 00 00
Contrast Reset Execute BE EF 03 06 00 A4 D2 06 00 01 70 00 00
V.Position Reset
Execute BE EF 03 06 00 E0 D2 06 00 02 70 00 00
Command data chart
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11
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2
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