Operating the MC3000 2-3
Introduction
This chapter provides basic instructions for using the mobile computer and navigating the mobile computer software.
Power Button
Press the red Power button to toggle the mobile computer between suspend and resume. When the screen is off the mobile computer
is in suspend mode and when the screen is on the mobile computer is on.
Keypads
The mobile computer is available with the following keypad configurations:
28-key keypad
38-key keypad
48-key keypad.
For information about using the soft keyboard input panel. For more information, see Entering Information Using the
Keyboard Input Panel on page 2-16.
Keypad Special Functions
The keypad special functions are color coded on the keypads. For example, on the 38-key keypad, the display contrast icon is blue
indicating that the blue function key must be selected first along with the F6 key, to increase the display contrast.
Mobile computers with color screens do not have contrast settings.

Table 2-1. Keypad Special Functions

Icon 28-Key Keystrokes 38-Key Keystrokes 48-Key Keystrokes Special Function
Blue function key and
period.
Blue function key and F6 Blue function key and NIncreases display contrast setting, darkens the display (on
monochrome units only).
Blue function key and BKSP. Blue function key and F9 Blue function key and SDecreases display contrast setting, lightens the display (on
monochrome units only).
Blue function key and the up
arrow.
Blue function key and F7 Blue function key and RIncreases scan decode beeper volume.
Blue function key and down
arrow.
Blue function key and F10 Blue function key and WDecreases scan decode beeper volume.