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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.
How to set the grade
The data code of CONTRAST and BRIGHTNESS is structured by the difference data of R from G, the main data and the difference
data of B from G. 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
SHARPNESS R 52h
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 +10 when the setting status was confirmed.
[Example 1] Set the difference data of R from G to +10, the setting main data to 0 and the difference data of
B from 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 0D Command for confirm
'0' '0' 'S' ' ' setting of TINT
30 30 53 2B 31 30 0D Command (setting of TINT
'0' '0' 'S' '+' '1' '0' ' ' is +10) carried out
Control this projector by using a personal computer (Continue)
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 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
• When the command of CONTRAST or BRIGHTNESS is sent from the computer, the setting of the COLOR
TEMP on the menu is set to “USER”.
• For the same condition as “HIGH” or “LOW” of the COLOR TEMP, change the CONTRAST and
BRIGHTNESS settings as shown below.
COLOR TEMP “HIGH” COLOR TEMP “LOW”
CONTRAST
BRIGHTNESS
difference data
of R from G
-10
+00
difference data
of B form G
+10
+00
CONTRAST
BRIGHTNESS
difference data
of R from G
+10
+00
difference data
of B form G
-10
+00