Sony NW-E002F - Manual (Page 51)

NW-E001 / E002 / E003 / E005 / E001F / E002F / E003F / E005F.GB.2-678-177-11(1)
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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 “Saving Power Consumption (Power Save)” ( page 41) 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 songs that are played.
For example, a full battery charge offers about 27 hours of playing time for
songs in ATRAC format at 48 kbps, but only about 19 hours for songs in
WMA format at 128 kbps. The exact playing time available from a full charge
varies with the operating conditions and environment of the player.
Do not let your computer sleep when the player is connected
If the computer enters a power saving mode, such as the system suspend, sleep
or hibernation while the player is connected to the computer directly, the
player’s battery is not charged. Instead, the player continues to draw power
from the battery, discharging it.
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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