User Manual
  Chapter 1 Introducing 8500  11 
44-key layout 
The layout of the 44-key keypad includes numeric, alphabetic, assorted characters, function 
and modifier keys. 
Figure 6: 44-key layout 
For the 44-key keypad, these keys can be categorized into the following groups by color: 
Blue Area: 
9  Two [Enter] keys: user-friendly and convenient for either right-handed or left-handed operator to 
perform general function of a [Enter] key. 
9  It can be used together with [RED] modifier key: [Enter] + [RED] = alternately turn ON/OFF the 
backlight of LCD and keypad. 










