Sony MHC-GZR999DA Operating Instructions Manual page 108

 The headphones are connected to the
PHONES jack.
 Check the speaker connections
(page 24).
 There is no audio output during Rec
Timer.
 The system is in pause mode, in Slow-
motion Play or in Lock Search. Press
 (or  on the unit) to start the
playback.
 No sound is output when transferring
music to the USB device.
There is no microphone sound.
 Press VOLUME + repeatedly (or
turn MASTER VOLUME on the
unit clockwise) or turn MIC LEVEL
on the unit clockwise to adjust the
microphone volume.
 Make sure the microphone is
connected to MIC jack correctly.
 Make sure the microphone is turned
on.
There is severe hum or noise.
 A TV or VCR is placed too close to the
unit. Move the unit away from the TV
or VCR.
 Move the unit away from the source of
noise.
 Connect the unit to a different wall
outlet.
 Install a noise filter (commercially
available) to the power cord.
108
GB
The timer does not function.
 Check the timer setting and set the
correct time (page 97).
 Cancel the Sleep Timer function.
The remote does not function.
 Remove the obstacles between the
remote and the unit.
 Move the remote closer to the unit.
 Point the remote at the unit's sensor.
 Replace the batteries (R6/size AA).
 Locate the unit away from the
fluorescent light.
There is acoustic feedback.
 Reduce the volume.
 Move the microphone away from the
speakers or change the direction of the
microphone.
The color irregularity on the TV
screen persists.
 Turn off the TV set once, then turn it
on after 15 to 30 minutes. If the color
irregularity still persists, place the
speakers farther away from the TV set.