Sony RM-PP401 - Manual (Page 16)

Information
Troubleshooting
If you experience any of the following difficulties while
using the receiver, use this troubleshooting guide to help
you remedy the problem. Should any problem persist,
consult your nearest Sony dealer.
The remote does not function.
^ Point the remote at the remote sensor B on the
receiver.
^ Remove any obstacles in the path between the
remote and the receiver.
^ Replace both batteries in the remote with new
ones, if they are weak.
^ Make sure you select the correct function on the
remote.
^ Pressing the TV CONTROL button sets the remote
to operate the TV only. If this mode is on, press a
function button on the remote or one of the
FUNCTION buttons on the receiver before
operating the receiver or another component.
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