Useful Facts; Maximizing Battery Life - Sony Walkman 4-110-117-11 (2) Operation Manual

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Useful Facts

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 a day, the player turns completely off
automatically.
Changing the settings
You can save battery power by setting as follows.
Settings for screen
Settings for sound
effect
Noise Canceling function (S736F/S738F/S739F only) (  page 103)
Settings for video
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 160, 162.
"Brightness" (  page 116)
"Type" of "Screensaver" (  page 111)
"Screensaver Timing" (  page 112)
"New Song Pop Up" (  page 55)
"Equalizer" (  page 59)
"VPT(Surround)" (  page 62)
"DSEE(Sound Enhancer)" (  page 65)
"Clear Stereo" (  page 64)
"Dynamic Normalizer" (  page 67)
"On-Hold Display" (  page 77)
"1"
"Blank"
"After 15 sec"
Deactivate
Deactivate
Turned off
"No"