GSP-9300 User Manual 
108 
Display 
The Display key configures the basic display settings as well as 
setting up the display mode (spectrum, spectrographic, 
topographic) and the split screen modes.  
Adjusting the LCD Brightness 
 
The LCD brightness levels can be adjusted to 
three pre-set levels.  
> LCD Brightness[F2] to toggle the 
display brightness:  
High brightness 
Medium brightness 
Low brightness 
Turning the LCD Backlight Off 
 
The LCD backlight can be turned off to 
preserve power or to prolong the lifetime of the 
LCD display when not in use.  
> LCD Backlight[F3] and turn the 
LCD backlight off.  
2.  When the backlight is off, press any function 
key to turn the LCD backlight back on.