Yamaha RX-397 Owner's Manual page 34

TROUBLESHOOTING
■ Remote control
Problem
The remote control
does not work nor
function properly.
32
Cause
Wrong distance or angle.
Direct sunlight or lighting (from an
inverter type of fluorescent lamp, etc.) is
striking the remote control sensor of this
unit.
The batteries are weak.
Remedy
The remote control will function within a maximum
range of 6 m (19.7 ft) and no more than 30 degrees
off-axis from the front panel.
Reposition this unit.
Replace all batteries.
See
page
8
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8