InFocus LP1200 User Manual page 51

7) Reading command diagram
Monitor projector operation status. The power ON, OFF and input terminal settings can be monitored.
Function
POWER ON
POWER OFF
INPUT RGB1
INPUT RGB2
INPUT VIDEO1
INPUT VIDEO2
INPUT CARD1
INPUT CARD2
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.
Sending commands
from the PC etc.
30 30 76 49 OD
'0' '0' 'v' 'I' ' '
8) Picture adjustment commands
The picture adjustment commands execute the picture adjustment setting of this projector. If the personal computer doesn't
send the commands without attaching the data code, the projector which has received the command replays the setting data
as data code.
CONTRAST
BRIGHTNESS
TINT
COLOR
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 '+' 'Å|' '0'
HEX 2Bh 2Dh 30h
[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
from the PC etc.
30 30 50 2B 31 30 2B 30 30 2D 30 35 0D
'0' '0' 'P' '+' '1' '0' '+' '0' '0' '-' '0' '5' '
[Example 2] The TINT was set to +30 when the setting status was confirmed.
Sending commands
from the PC etc.
30 30 53 0D
'0' '0' 'S' ' '
ASCII
Data (Receive) Function
vP 1 76h 50h
vP 0 76h 50h
vI r1 76h 49h
vI r2 76h 49h
vI v1 76h 49h
vI v2 76h 49h
vI c1 76h 49h
vI c2 76h 49h
Status code from
projector
30 30 76 49 76 31 0D
'0' '0' 'v' 'I' 'v' '1' '
ASCII HEX
P 50h
Q 51h
S 53h
T 54h
'1' '2' '3' '4'
31h 32h 33h 34h
'
30 30 50 2B 31 30 2B 30 30 2D 30 35 0D
'0' '0' 'P' '+' '1' '0' '+' '0' '0' '-' '0' '5' '
30 30 53 2B 33 30 0D
'0' '0' 'S' '+' '3' '0' '
HEX
Data (Receive)
31h
30h
72h 31h
72h 32h
76h 31h
76h 32h
63h31h
63h 32h
Commnd for confirm input
Command (Input is Video)
' carrired out
'5' '6' '7' '8'
35h 36h 37h 38h
Status code from
projector
'
Status code from
projector
'
Meaning
'9'
39h
Meaning
Command for setting the
picture control
Command received
(Command echo back)
Meaning
Command for confirm
setting of TINT
Command (setting of TINT
is +30) carried out