Sony NWZ-E438F Operation Guide - Page 87

Useful Facts, Maximizing Battery Life - charge

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87 Useful Facts Table of Contents Menu Index Maximizing Battery Life 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. Turn off the player manually If you press and hold the OPTION/PWR OFF button, the player enters standby mode and the screen turns off to save battery power. Furthermore, if standby mode continues for more than about 4 hours, the player turns completely off automatically. Changing the settings You can save battery power by setting as follows. Settings for screen "Brightness" ( page 76) "Screensaver" ( page 75) Settings for sound effect "Equalizer" ( page 43) "1" "Blank" Deactivate. Adjust data format and bit rate Playing time will vary, as battery charge can be affected by the format and bit rate of songs, videos or photos that are played. For details on charging time and usage time, see  page 121, 122.

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Useful Facts
87
87
Maximizing Battery Life
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.
Turn off the player manually
If you press and hold the OPTION/PWR OFF button, the player enters standby
mode and the screen turns off to save battery power. Furthermore, if standby
mode continues for more than about 4 hours, the player turns completely off
automatically.
Changing the settings
You can save battery power by setting as follows.
Settings for screen
“Brightness” (
page 76)
“1”
“Screensaver” (
page 75)
“Blank”
Settings for sound
effect
“Equalizer” (
page 43)
Deactivate.
Adjust data format and bit rate
Playing time will vary, as battery charge can be affected by the format and bit
rate of songs, videos or photos that are played.
For details on charging time and usage time, see
page 121, 122.