7
3 Quick Start Guide
3.1 Keys Function
Keys Function Description
：
Power button
Short press to sleep/wake up, long press to startup and
shutdown.
（
up
）
increase the volume
Volume -
（
down
）
decrease
the
volume
HOME button
（
home
）
Click it in any interface will return to main interface.
Back button
（
back
）
click it in any interface will return to previous menu
Menu button
This button will display in menu interface.
Setting button
display recently browsed history; double click this button,
you can switch between the last two applications
3.2 Startup and Shutdown
Startup
Long press
POWER key for three seconds,
you can enter into startup picture. The system
enters into screen lock status, please unlock it.
Shutdown
1．
Long press POWER, it will popup shutdown window.
2．
Shutdown window contains reboot mode, airplane mode and power off mode three
options.
3．
Click power off is the last step.
3.3 Open and Close of the Screen
Screen will be closed on its own when no operation happens.
1.
Screen will be closed on its own if no operation happens for some time to save battery
power
Summary of Contents for T7445
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