Optoma Ex542 Projector User Manual

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 The projector stops responding to all controls
  If possible, turn off the projector, then unplug the power cord and 
wait at least 60 seconds before reconnecting power.
  Check that “Keypad Lock” is not activated by trying to control the\
 
projector with the remote control.
 Lamp burns out or makes a popping sound
 When the lamp reaches its end of life, it will burn out and may 
make a loud popping sound. If this happens, the projector will not 
turn on until the lamp...

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 On Screen Messages 
 Temperature warning:
 
 Fan failed:
 
 Lamp warming:
 
 Out of display range:
 
  
   
Remote Control
 If the remote control does not work
 Check the operating angle of the remote control is within ±5° both horizontally and vertically of one of the IR receivers on the projector.
 Make sure there are not any obstructions between the remote control and the projector. Move to within 7 m (±0°) of the projector.
 Make sure the batteries are inserted...

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 Replacing the lamp
The projector automatically detects the lamp life. When the 
lamp life is nearing the end of use, you will receive a warning 
message.
When you see this message, please contact your local reseller 
or service center to change the lamp as soon as possible. 
Make sure the projector has been cooled down for at least 30 
minutes before changing the lamp. 
 Warning: Lamp compartment may be hot! Allow it to cool down 
before changing the lamp!
 Warning: To reduce the...

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Lamp	Replacement	Procedure:
.  Switch off the power to the projector by pressing the “” button. 
2.  Allow the projector to cool down for at least 30 minutes.
3.  Disconnect the power cord.
4.  Unscrew the two screws on the cover. 
5.  Lift up and remove the cover. 2
6.  Unscrew the two screws on the lamp module. 3
7.  Lift up the lamp handle and remove the lamp module slowly and carefully. 4
To replace the lamp module, reverse the previous steps.
8.   Turn on the...

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Compatibility Modes
ModeResolutionV-Sync (Hz)H-Sync (KHz)
AnglogDigitalAnglogDigital
VGA640 × 35070703.50 3.50
VGA640 × 350858537.9037.90
VGA640 × 400858537.9037.90
VGA640 × 48060603.50 3.50
VGA640 × 480727237.9037.90
VGA640 × 480757537.5037.50
VGA640 × 480858543.3043.30
VGA720 × 40070703.50 3.50
VGA720 × 400858537.9037.90
SVGA800 × 600565635.2035.20
SVGA800 × 600606037.9037.90
SVGA800 × 600727248.0 48.0
SVGA800 × 600757546.9046.90
SVGA800 ×...

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 Video Compatibility
 Computer Compatibility
ModeResolutionV-Sync (Hz)H-Sync (KHz)
MAC LC 3”640 × 48066.6634.98
MAC II 3”640 × 48066.6835.00
MAC 6”832 × 62474.5549.73
MAC 9”024 × 7687560.24
MAC52 × 87075.0668.68
MAC G4640 × 48060 3.35
i MAC DV024 × 7687560.00
i MAC DV52 × 8707568.49
i MAC DV280 × 9607575.00
NTSCM (3.58MHz), 4.43 MHz
PALB, D, G, H, I, M, N
SECAMB, D, G, K, K, L
SDTV/HDTV480i/p, 576i/p,...

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RS232	Pin	Assignments
Pin no.Spec. (from projector side)
N/A
2RXD
3TXD
4N/A
5GND
6N/A
7N/A
8N/A
9N/A
12345
6789
RS232	Commands	and	Protocol	
Function	List 

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RS232	Protocol	Function	List
Optoma EX615/EX542RS232 Command Table  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Baud Rate : 9600                   Note :   There is a  after all ASCII commands Data Bits: 8                      0D is the HEX code for  in ASCII code Parity: None      Stop Bits: 1 Flow Control...

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---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------   ~XX60 1  7E 30 30 36 30 20 31 0D  Format  4:3    ~XX60 2  7E 30 30 36 30 20 32 0D     16:9-l    ~XX60 3  7E 30 30 36 30 20 33 0D     16:9-ll ~XX60 6  7E 30 30 36 30 20 36 0D    Native ~XX60 7  7E 30 30 36 30 20 37 0D    Auto...

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~XX105 1  7E 30 30 31 30 35 20 31 0D  Advanced                           Direct Power On  On   ~XX105 0  7E 30 30 31 30 35 20 30 0D    Off (0/2 for backward compatible) ~XX106 n  7E 30 30 31 30 36 20 a 0D                                              Auto Power Off (min)   n = 0 (a=30) ~ 180 (a=31 38 30) step:5 ~XX107 n  7E 30 30 31 30 37 20 a 0D                                                                  Sleep Timer (min)   n = 0 (a=30) ~ 995 (a=39 39 39) step:5 ~XX114 1  7E...