Sony PSP PSP-3004 Quick Reference page 11

Sleep mode
If the PSP system is switched to sleep mode, the
®
software that is playing will be paused. When sleep
mode is cleared, you can begin playback from the
point where the system entered sleep mode.
• To clear sleep mode, slide the POWER/HOLD switch up
again. During video or audio playback, you can press the
button of the Remote Control to clear sleep mode.
• Some software may prevent the system from entering sleep
mode.
Basic operations
Power and sleep mode functions
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