InFocus IN74 User manual

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) ?

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

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

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

Color Temp TMP 0-3

0 = 6500

1 = 7500

2 = 9300

3 = Native

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

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

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

Noise Reduction Mode NRE 0-1

0 = Off

1 = Auto

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

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

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

Video Standard VSU 0-9

0 = Auto

1 = NTSC

2 = PAL

5 = SECAM

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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