main interface can shutdown forcedly.
Lock screen: Press the Power key shortly to lock or unlock screen.
Note:
1. The system will shut down automatically in the case of low battery;
2. In the case of illegal shutdown, the restart process will scan and repair the disk to
protect the system, and the boot interface will stay a long time than usual.
2.3 Increase or Decrease the Volume
Press the "+", "-" key to increase or decrease the volume quickly or slowly;
2.4 Earphone Jack
3.5mm standard earphone jack;
2.5 Video output interface
Mini HDMI video output interface;
2.6 TF-CARD
TF-CARD slot: external expansion via the T-FLASH
（
Micro SD
）
memory card;
2.7 Micro USB
Micro USB interface: to connect to the computer for data transfer, battery charging
or external link to the USB flash disk;
2.8 Reset key
In the case of system or programs crashes, press the RESET key by the small objects
such as paper clip, the device will be forced to restart.
Note: Unless it can not shut down the system normally to use the RESET key! It is
recommended to shut down in accordance with shutdown procedure under the normal
circumstance; otherwise it will cause damage to the system and device.
3
First usage
3.1 Battery management and charge
Before the first use of the device, please set the battery is fully charged:
Charging by plug the charger into the DC port of device;
It is recommended to keep 6 hours at least in the first two charging, and keep 4
hours after it.
Note: This device adopts built-in polymer battery, and it is must to use original
charger for charging. The product provides DC charging and also the USB interface to
charge. You can choose to charge via the USB interface charger, but it is recommended to
use the formal charger with high quality to do it, or it will cause the irreparable damage
to the device.