KOCASO NB1400A - Manual (Page 6)

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1. Audio Speakers
Built-in stereo speaker system, after open the audio or video, you can hear the sound
without the additional equipment. Audio features from the software-controlled,
multi-media sound system with an integrated digital audio controller, resulting in rich,
vibrant sound (improved external stereo headphones or speakers)
2. Battery Box
Power Button Usage
Turn On: Press the power button and hold for 2 seconds.
Turn Off: Press the power button and hold for 2 seconds, →tap Power off→tap OK.
Sleep Mode On/Off: Press & release the power button quickly to turn sleep mode on
and off.
Force Off: If device does not respond, press and hold the power button for 5seconds.
Note: If it is necessary, we don’t suggest use Force Off. You should follow the steps
to perform the shutdown.
Warning: Force off could lead to unpredictable system errors !
Reset Button: Press the reset button to reset the device. Reset will erase all data on
the device, please caution this feature. (Note: Current the reset function can not be
restart, so after reset you need to press the power button to re-boot.)
USB Interface
Insert U-Disk