Sony NWZ-S639F MP3 Player User Manual


 
NWZ-S636F / S638F / S639F / S736F / S738F / S739F .GB.4-110-117-11(1)
Useful Facts
Useful Facts
127
127
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
“Brightness” (
page 116)
“1”
“Type” of “Screensaver” (
page 111)
“Blank”
“Screensaver Timing” (
page 112)
“After 15 sec”
“New Song Pop Up” (
page 55)
Deactivate
Settings for sound
effect
“Equalizer” (
page 59)
Deactivate
“VPT(Surround)” (
page 62)
“DSEE(Sound Enhancer)” (
page 65)
“Clear Stereo” (
page 64)
“Dynamic Normalizer” (
page 67)
Noise Canceling function (S736F/S738F/S739F only) (
page 103)
Turned off
Settings for video
“On-Hold Display” (
page 77)
“No”
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.
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