InFocus Projector Play Big In74 Quickstart Manual

30
4
Push the 2 tabs on the lamp door toward the front of the projector and 
lift the lamp door off.
5
Loosen the three captive screws that  attach the lamp housing to the pro
-
jector.
6
Detach the lamp connector from the projector by depressing the locking 
tab on the connector and lightly pulling it free.WA R N I N G :To avoid burns, allow the projector to cool for at least 60 minutes 
before you replace the lamp .Be extremely careful when removing the lamp housing. In the 
unlikely event that the...

31
10
Replace the lamp door.
11
Replace the base or ceiling mount plate, if necessary.
12
Plug in the power cord and press the Pow e r button on the remote or 
keypad to turn the projector back on.
13
To reset the lamp hour timer, navigate to the  Settings>Service menu 
and select  Reset Lamp Hours
. See 
page
 28 for details.
Service menu 

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AppendixRed LED behavior and projector errorsIf the projector is not functioning properly and the  LED is blinking red, con
-
sult Ta b l e  4  to determine a possible cause. There are two-second pauses 
between the blinking cycles. Visit  our website  for more details on the red 
LED error codes.
Table 4: LED Behavior
Red LED Behavior
Explanation
One (1) blink
The lamp wont strike after five (5) 
attempts. Check the lamp and lamp door 
installations for loose connections.
Two (2) blinks
The lamp...

33
Remote control discrete codesYou can use these codes to program another remote to learn the projector ’s 
remote functions.To activate discrete mode, press and hold the Custom button on the remote 
for 10 seconds. The back light blinks tw ice when discrete mode is entered. 
The remote buttons are now remapped to ne w functions as listed below. To 
return to normal remote mode, press and hold the  Custom button on the 
remote for 10 seconds. The remote al so returns to normal mode automati
-
cally if...

34
Projector dimensions for ceiling mount installationsAll values in millimeters (mm). 
234.5126.5
361
121
40.25 57
64
344.2
5
167
40.5
24.5
163 227.5 245.5 

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Supported video formats
Connector
Signal Type
Supported formats
HDMI
Digital RGB and YCrCb(HDCP or non-HDCP)
480i/p/50Hz/60Hz576i/p/50Hz/60Hz720p/50Hz/60Hz1080i/50Hz/60Hz1080i/50Hz (Australia)1080p/24Hz (IN76/78 only)1080p/50Hz1080p/60Hz
Digital RGB video via M1-to-DVI cable(HDCP or non-HDCP)Analog RGB video via M1-to-VESA cable
M1-DA
YPrPb video via M1- to-Component adapterAnalog Computer via M1-to-VESA cable
All industry-standard analog and digi
-
tal computer formats conforming to 
VESA standards...

36
RS-232 terminal specifications for IN74/IN76/IN76Communication configurationTo 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 th is communication configuration:Command formatAll commands consist of 3 alpha char acters followed by a request, all 
enclosed in parentheses. The request ca n be a read request (indicated by a 
“?”) or a write request (indicated by 1 to 4 ASCII...

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Supported commandsFunction
Command
Range
Defa
ult
Auto Ceiling Enable
ACL
0-1
0
Auto Color Space enable
ACS
0-1
1
Auto Image
AIM
0-1
0
Aspect Ratio
ARZ
0-40 = Native1 = 4:3 2 = 16:93 = Letterbox4 = Natural Wide
1
Auto Power Enable
APO
0-1
0
Auto Source Enable
ASC
0-1
1
Auto Video Standard Enable
AV S
0-1
1
Blank
BLK
0-1
0
Blank Screen Enable
BLK
0-10 = black1 = 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...

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Menu Navigation
NAV
0-31 = up2 = down3 = select
n/a
Language
LAN
0-11
 
0 = English1 = French2 = German3 = Italian4 = Japanese5 = Korean6 = Norwegian7 = Portuguese8 = Russian9 = Chinese Simpli
-
fied10 = Spanish11 = Chinese Tra
-
ditional
0
Noise Reduction Mode
NRE
0-10 = Off1 = 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
0-50 = default1 = User 12 = User 24 = Off
0
Rear Project
REA
0-1
0
Red Color...

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Ve r t i c a l  P o s i t i o n  
VPS
0-100
50
Video Standard
VSU
0-9
 
0 = Auto1 = NTSC2 = PAL5 = 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...