Sony NW-S705FBLACK - Manual (Page 79)

NW-S603/S605/S703F/S705F/S706F.GB 2-887-743-13(1)
 
Maximizing Battery Life
By following a few simple guidelines, you can extend the playing time available
from a battery charge.
Screen display auto-off
Setting the display to turn off after a certain period of time of not using the
player (approx. 15 seconds), can help to save battery power.
See “Setting to the Power Save Screen (Power Save Mode)” ( page 60) for the
setting method.
Adjust song format and bit rate
The playing time varies, as battery charge can be affected by the format and bit
rate of the audio files that are played.
For example, a full battery charge offers about 50 hours of playing time for
songs in ATRAC format at 132 kbps, but only about 40 hours for songs in
WMA format at 128 kbps (For NW-S603/S605, or when the Noise Canceling
function is set to “OFF” for NW-S703F/S705F/S706F). For details, see “Battery
life (continuous playback)” ( page 110). The exact playing time available
from a full charge varies with the operating conditions and environment of the
player.
To enter the Sleep status
If you press the  button to stop playback or receiving an FM broadcast
(NW-S703F/S705F/S706F only), the display disappears and the player enters
the Sleep status automatically after a few seconds. The batteries are consumed a
little in the Sleep status.
Note
 Do not leave the player connected for extended periods to a laptop computer that is not
connected to AC power, because the player may discharge the computer’s battery.
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