Optoma GT720 User's Manual - Page 43
On Screen Messages, If the remote control does not work - lamp replacement
UPC - 796435811167
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Appendices On Screen Messages Temperature warning: Fan failed: Lamp warming: Out of display range: If the remote control does not work Check the operating angle of the remote control is within ±15° 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 correctly. Replace batteries if they are exhausted. 43 English
43
English
Appendices
On Screen Messages
Temperature warning:
Fan failed:
Lamp warming:
Out of display range:
If the remote control does not work
Check the operating angle of the remote control is within ±15°
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 correctly.
Replace batteries if they are exhausted.