[14] How to Use
Getting Started
Power/Charging
Charging in the battery care mode
You can reduce deterioration of the battery by using the [Battery Care]
mode. The battery duration is approximately 10 % shorter in the [Battery
Care] mode, as your Walkman stops charging at about 90 % of the full
charge.
From the Home menu, select
[Settings].
1.
Select [Common Settings] - [Battery Care] - [On].
2.
Note
In the [Battery Care] mode, the first bar of the battery indicator will
disappear somewhat more quickly than normal. This is because your
Walkman stops charging at about 90 % of the full charge, and is not a
malfunction.
[15] How to Use
Getting Started
Power/Charging
Extending the battery life
You can reduce battery consumption by using your Walkman as follows.
For a comparison of battery life based on set effects, default settings and
functions, see “Battery life.”
Turn off the power manually.
Set a shorter time for [Screen Off Timer].
Set [Display Lyrics] to a setting other than [On (Screen Always On)].
Adjust the screen brightness.
Set all sound quality settings to off.
Disconnect the Bluetooth audio device when not in use.
Help Guide
http://helpguide.sony.net/dmp/nwa20/v1/en/print.html
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08/06/16 16:25