InFocus IN74 User manual
36
RS-232 terminal specifications for IN74 and IN76
Communication configuration
To control the projector from an LCD control panel, connect an RS-232 cable
to the serial control connector on the projector and set your computer’s
serial port settings to match this communication configuration:
Command format
All commands consist of 3 alpha characters followed by a request, all
enclosed in parentheses. The request can be a read request (indicated by a
“?”) or a write request (indicated by 1 to 4 ASCII digits).
A read request format: (AAA?) where
( starts the command
AAA denotes the command
? denotes the read request
) ends the command
A read command returns the range and the current setting, for example:
A write request example: (AAA####) where
( starts the command
AAA denotes the command
#### denotes the value to be written
(leading zeros not necessary)
) ends the command
Some commands have ranges, while others are absolute. If a number
greater than the maximum range is received, it is automatically set to the
maximum number for that function. If a command is received that is not
understood, a “?” is returned. With absolute settings, “0” is off, 1-9999 is on.
The one exception is the Power command, where 0 is off and 1 is on.
Setting Value
Bits per second 19,200
Data bits 8
Parity None
Stop bits 1
Flow control None
Emulation VT100
Function Command Response
Brightness (BRT?) (0-22, 10)
Lamp hours (LMP?) (0-9999, 421)
Function Command Response
Brightness (BRT10) Sets the brightness to 10
Power (PWR0) Turns power off
Power (PWR1) Turns power on
Power (PWR9999) ?
37
Supported commands
Function Command Range Default
Auto Ceiling Enable ACL 0-1 0
Auto Color Space enable ACS 0-1 1
Auto Image AIM 0-1 0
Aspect Ratio ARZ 0-4
0 = Native
1 = 4:3
2 = 16:9
3 = Letterbox
4 = Natural Wide
1
Auto Power Enable APO 0-1 0
Auto Source Enable ASC 0-1 1
Auto Video Standard Enable AVS 0-1 1
Blank Screen Enable BLK 0-1
0 = black
1 = blue
0
Blue Color Offset BCO 1-255 128
Blue Gain BCG 1-255 128
Blue Only Enable BOE 0-1 0
Brightness BRT 0-255 128
Ceiling CEL 0-1 0
Color CLR 0-100 50
Color Space CSM 0-2
0 = RGB
3 = REC709
2 = REC601
0
Color Temp TMP 0-3
0 = 6500
1 = 7500
2 = 9300
3 = Native
0
Contrast CON 0-255 128
Display Messages DMG 0-1 1
Factory Reset (Write only) RST 0-1 n/a
Flesh Tone Correction FTC 0-1 0
Gamma Table GTB 0-8
2 = Video
3 = Film
5 = Bright Room
7 = CRT
8 = PC
3
Green Color Offset GCO 0-255 128
Green Gain GCG 0-255 128
High Power Enable HPE 0-1 0
Horizontal Position HPS n/a n/a
Ve r ti ca l Ke ys to ne DKC 0-80 40
Lamp Hours (Read only) LMP 0-65535 0
Number of Lamp Resets LMR 0-65535 0
Menu Enable MNU 0-1 0
Menu Navigation NAV 0-3
1 = up
2 = down
3 = select
n/a
38
Language LAN 0-11
0 = English
1 = French
2 = German
3 = Italian
4 = Japanese
5 = Korean
6 = Norwegian
7 = Portuguese
8 = Russian
9 = Chinese Simpli-
fied
10 = Spanish
11 = Chinese Tra-
ditional
0
Noise Reduction Mode NRE 0-1
0 = Off
1 = Auto
0
Noise Reduction Level NRL 8-248 128
Overscan OVS 0-2 0
Phase MSS 0-100 50
Power Enable PWR 0-1 0
Power Save Enable PSV 0-1 0
Presets PST 0-5
0 = default
1 = User 1
2 = User 2
4 = Off
0
Rear Project REA 0-1 0
Red Color Offset RCO 0-255 128
Red Gain RCG 0-255 128
Sharpness SHP 0-4 2
Sleep Timer SLT 0-1 0
Sync Threshold Adjust STH 1-15 8
Source SRC 0-5
0 = HDMI
1 = M1-DA
2 = Component
3 = S-Video
4 = Composite
5 = SCART RGB
2
Source 1 Program SR1 0-5 0
Source 2 Program SR2 0-5 2
Source 3 Program SR3 0-5 3
Source 5 Program SR4 0-5 3
Startup Logo DSU 0-2 2
Tint TNT 2-98 50
Film Mode Auto Detect TTO 0-1 1
Tracking MTS 0-100 50
Total number of successful
Strike Attempts
SSA 0-65535 0
Screen Trigger Enable STE 0-1 1
System State SYS 0-17 0
Translucent OSD TOE 0-1 1
Test Pattern Enable TPO 0-1 0
Test Pattern Select TPS 0-9 0
Total number of Strike
Attempts
TSA 0-65535 0
Ve r ti ca l Po sit ion VPS 0-100 50
39
Video Standard VSU 0-9
0 = Auto
1 = NTSC
2 = PAL
5 = SECAM
0
White Peaking WPK 0-10 1
Save User1 Preset US1 0-1 0
Save User 2 Preset US2 0-1 0
Save User 3 Preset US3 0-1 0
Logo Capture Enable CAP 0-1 0
Source Enable 0 CE0 0-1 0
Source Enable 1 CE1 0-1 0
Source Enable 2 CE2 0-1 0
Source Enable 3 CE3 0-1 0
Source Enable 4 CE4 0-1 0
Source Enable 5 CE5 0-1 0
Logo Capture Compress COM 0-1 0
Logo Capture Compression
Progress Count
CPC 0-480 0
Current Subsource CRS 0-7 0
Power-up Source DSC 0-5 2
Effect Key Program EFK 0-11 8
System Error Code ERR 0-7 0
Freeze Enabled FRZ 0-1 0
Lamp Power IPM 0-1 0
Time in Hours Last Bulb1
Lasted
LB1 0-65535 0
Time in Hours Last Bulb2
Lasted
LB2 0-65535 0
Time in Hours Last Bulb3
Lasted
LB3 0-65535 0
Illuminating State LML 0-2 0
Lamp Total Time On in
hours for all bulbs
LMT 0-65535 0
Perform Lamp Reset LRT 0-1 0
Number of times unit has
been turned on
O00 0-65535 0
Number of times unit has
been turned on for at least
30 minutes
O30 0-65535 0
Number of times unit has
been turned on for at least
60 minutes
O60 0-65535 0
Number of times unit has
been turned on for at least
90 minutes
O90 0-65535 0
Time in minutes unit has
been turned on
ONC 0-4294967295 0
Time in minutes unit is cur-
rently on
ONL 0-4294967295 0
Time in minutes unit was
previously turned on
ONP 0-4294967295 0
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