2-14 System Overview 
No.  English Name  Description 
32.  
Focus  Change the focus position. 
33.  
Cursor  Show/hide the cursor. 
34.  
Set 
Confirm an operation. The function is same with the left-button 
of the mouse. 
35.  
/  Move the trackball to change the cursor position. 
36.  
Set 
Confirm an operation. The function is same with the left-button 
of the mouse. 
37.  
Freeze Freeze/defreeze the image. 
38.  
Save  Save the image; user-defined key. 
39.  
P  User-defined keys, functions of which can be defined in preset.
40.  
Print  Print: user-defined key. 
41.  
 
Battery status indicator. 
 Charging status: 
It illuminates in green when batteries are charged fully. 
 Discharging status: 
It illuminates in green color when the power of the batteries is 
more than 20%; 
It illuminates in orange color for low battery power. 
 
AC indicator 
The indicator is on at AC supply. 
 
Standby indicator. 
Standby: blinking in orange. 
 
Hard disk status indicator. 
The indicator blinks in green when hard disk is running.   
NOTE:  “/”  means the key are undefined or have no silk print. For the undefined keys, you 
can customize them. 
 
Keyboard