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Appendices
58
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
control and the HD81-LV’s Box. Move to within 6m (20ft) of the
HD81-LV’s Box.
Make sure batteries are inserted correctly.
Make sure batteries are exhausted. If so, replace weak batteries in
the remote control.
Projector side
don’t have IR receiver.
IR receivers are only
on front of Box side
and IR Module.