3
Up
：
press to select up
Down
：
press to select down
Left
：
press to select left
Right
：
press to select right
Ok key
：
press to confirm
Object distance adjustment
：
51mm
±
5mm
Pupil distance adjustment
：
62mm
±
5mm
TF card slot
：
insert TF card
USB2.0
：
insert USB flash disk
USB charging slot
：
charging and transmitting
Earphone jack
：
connect the earphone
Short pressing on Menu key
：
on / off of HMD cursor, the adjusting of brightness, the switching of
dual screen mode, and also the closing of application.
Long pressing on Menu key: reset and center the HMD display
Homepage
：
back to the main menu
Back: back to the previous menu
2.2 HMD
1
）
The HMD will be powered on after around 40 seconds, and there will be 6 main application
icons on the main menu. The calibration of Gyroscope will be working after pressing on the menu
button for 5 seconds.
2) The white dot is subject to gyro function, and can be used as the mouse cursor, Press the OK
button to confirm, or the Home button to back to main menu, or the Back button to back to the
former directory.
