InFocus LP1200 Projector User Manual

							APPENDIX
7) Reading command diagram
Monitor projector operation status. The power ON, OFF and input terminal settings can be monitored.
When a personal computer sends the command, data code will not be attached. On the othe hand, the projector
which has received a command will attach the recent operating status then send.
[Example ]  Input  was Video 1 when the operating status of the input terminal was confirmed.
ASCII HEX
Function Data (Receive) Function Data (Receive)
POWER ON vP 1 76h 50h 31h
POWER OFF vP 0 76h 50h 30h
INPUT RGB1 vI r1 76h 49h 72h 31h
INPUT RGB2 vI r2 76h 49h 72h 32h
INPUT VIDEO1 vI v1 76h 49h 76h 31h
INPUT VIDEO2 vI v2 76h 49h 76h 32h
INPUT CARD1 vI c1 76h 49h 63h31h
INPUT CARD2 vI c2 76h 49h 63h 32h
Sending commands Status code from Meaning
from the PC etc. projector
30 30 76 49 OD Commnd for confirm input
0 0 v I 

30 30 76 49 76 31 0D Command (Input is Video)
0 0 v I v 1 
 carrired out
8) Picture adjustment commands
The picture adjustment commands execute the picture adjustment setting of this projector. If the personal computer doesnÕt
send the commands without attaching the data code, the projector which has received the command replays the setting data
as data code.
How to set the grade
The data code of CONTRAST and BRIGHTNESS is structured by the setting data of R, setting data of G and  setting
data of B. Use ASCII letters code to set the grade for setting data. Please refer to the table below for HEX code.
ASCII HEX
CONTRAST P 50h
BRIGHTNESS Q 51h
TINT S 53h
COLOR T 54h
ASCII +  0 1 2 3 4 5 6 7 8 9
HEX 2Bh 2Dh 30h 31h 32h 33h 34h 35h 36h 37h 38h 39h
[Example 2] The TINT was set to +30 when the setting status was confirmed. [Example 1] Set the setting data of R to +10, the setting data of G to 0 and the setting data of B to -5.
Sending commands Status code from Meaning
from the PC etc. projector
30 30 50 2B 31 30 2B 30 30 2D 30 35 0D Command for setting the
0 0 P + 1 0 + 0 0 - 0 5 
 picture control
30 30 50 2B 31 30 2B 30 30 2D 30 35 0D Command received
0 0 P + 1 0 + 0 0 - 0 5 
 (Command echo back)
Sending commands Status code from Meaning
from the PC etc. projector
30 30 53 0DCommand for confirm
0 0 S 
setting of TINT
30 30 53 2B 33 30 0D Command (setting of TINT
0 0 S + 3 0 
 is +30) carried out 
						

							In focus, Inc.
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http://www.infocus.com
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