5
Ⅱ
. Key Layout and Definitions
○
1
Front camera:
camera, video
○
3
Light sensor
：
Perception of external pipeline strength, electrical signal to CPU
○
5
○
4
voice sound +/ voice sound-:
increase/reduce the volume
○
6
Custom buttons:
for customer defined function keys
○
7
Power button:
to start or close touch screen panel. You can also let the computer
○
8
Scan code key:
the device equipped with scan code module can be controlled by
this button scan code
○
9
Lock hole:
used to lock the limited use of equipment
○
10
Earphone Jack:
the jack support outputs the audio signal to a loudspeaker or
Headset
○
11
HDMI interface:
High-Definition Multimedia, Interface, high definition
multimedia interface
○
12
Micro USB 2.0:
data transmission by inserting the micro USB 2.0 interface
device
○
13
U handicap:
data transmission by inserting the micro USB 2.0 interface device
