InFocus Projector Play Big In74 Quickstart Manual
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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...
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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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32 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...
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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...
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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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35 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...
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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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37 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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38 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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39 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...