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Projector side don't
have IR receiver.
IR receiver are only on
front of Box side and IR
Module.
RS232 connection fail:
Replacing the lamp:
Remote Control Problems
If the remote control does not work
Check the operating angle for the remote control is approximately
±22.5°.
Make sure there are not any obstructions between the remote con-
trol and the HD81's Box. Move to within 6 m (20 ft) of the HD81's
Box.
Make sure batteries are inserted correctly.
Make sure batteries are exhausted. If so, replace weak batteries in
the remote control.
Appendices
57
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