Ask Proxima Impression 860 - Manual (Page 36)

USER GUIDE LCD PROJECTOR
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10.5 CARE OF THE REMOTE CONTROL
The infrared remote control requires no maintenance, other than battery
replacement when required. To change the batteries, open the battery
holder on the rear of the handset. Remove the old batteries and dispose
of carefully. Insert two new batteries of the type described in the
Technical Data section, observing the polarity instructions inside the
battery holder, and close the clip-shut door. Test that the remote control
functions correctly by pressing OSD, which should bring up the OSD.
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