Sanyo VPC-CG65PX. - Manual (Page 72)

English
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h Press the REC/PLAY button.
HINT
Reducing battery consumption during playback
i For the power save function (page 140), if a standby time has been
specified for “BACKLIGHT”, the monitor will turn off when the set time has
elapsed but playback will continue. Battery consumption can be reduced
by turning the monitor off.
CAUTION
If no audio is heard...
i The audio is not played back when the audio memo is played back in the
fast playback or fast reverse mode.