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Sony Walkman NWZ-A815 Operation Manual page 99

Sony mp3 player operation guide
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Troubleshooting
Display
(continued)
Symptom
The screen turns off.
A massage appears.
Power
Symptom
Battery life is short.
Cause/Remedy
 There was no operation attempted for more than 30
seconds while the player was in the pause mode.
 Press any button.
 There was no operation attempted for the period
you set in "Screensaver Timing" when "Screensaver"
is set to "Blank" (  page 69).
 Press any button.
 Set "Screensaver" to other than "Blank. "
 "On-Hold Display" is set to "No. "
 Slide the HOLD switch to the opposite position
(  page 10).
 Set "On-Hold Display" to "Yes" (  page 55). You
can play back a video even when the HOLD
function is activated.
 See the "Messages" (  page 105).
Cause/Remedy
 The operating temperature is below 5 °C (41 °F).
 Battery life becomes shorter due to the battery
characteristics. This is not a malfunction.
 Battery charging time is not sufficient.
 Charge the battery until
 By adjusting the settings or managing the power
supply properly, it is possible to save the battery
power and use the player for a longer time (  page
84).
 You have not used the player for a prolonged
period.
 The efficiency of the battery will be improved by
repeatedly charging and discharging it.
 When usable battery life becomes half the usual
time, even after charging the battery fully, the
battery should be replaced.
 Consult your nearest Sony dealer.
 Copyright-protected contents are played.
 When copyright-protected contents are played,
battery life may be shorter.
appears.
Continued 

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