ViewSonic PA503HD User Manual page 58

Problem or Issue
The remote control
does not work
The projector stops
responding to all
controls
• Ensure there are no obstacles between the remote
control and projector; and that they are within
range.
• The batteries may be out of power, please check
and replace if necessary.
• Turn off the projector and unplug the power cord.
Wait at least 20 seconds then reconnect and try
again.
58
Possible Solutions