User's Manual

Chapter 1 Introducing CPT-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 keyboard.