Yamaha AX-397 Owner's Manual page 21

The power of this unit is turned off, or this
The sound is
unit is set to the standby mode.
degraded when
listening with the
headphones
connected to the CD
player or the tape
deck connected to
this unit.
The LOUDNESS control is functioning.
The sound level is
low.
The CD/DVD DIRECT AMP switch is
The input source
turned on.
cannot be changed
although the INPUT
The TAPE MONITOR function is turned
selector is rotated.
on.
The CD/DVD DIRECT AMP switch (or
Using the BASS,
the PURE DIRECT switch for AX-497
TREBLE, BALANCE
only) is turned on.
and LOUDNESS
controls does not
affect the tonal
quality.
■ Remote control
Problem
Wrong distance or angle.
The remote control
does not work nor
function properly.
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.
Turn on the power of this unit.
Set the LOUDNESS control to the FLAT position.
Turn off the CD/DVD DIRECT AMP switch.
Turn off the TAPE MONITOR function.
The CD/DVD DIRECT AMP switch (or the PURE
DIRECT switch for AX-497 only) must be turned off
to use those controls.
Cause
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.
TROUBLESHOOTING
Remedy
11
13
13
4
13
Refer to
page
6
—
6
17