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Motorola MC3090 Device Reset Instructions


If the mobile computer stops responding to input, reset it. There are two reset functions, warm boot and cold boot. A warm boot restarts the mobile computer by closing all running programs. All data that is not saved is lost. A cold boot also restarts the mobile computer, but erases all stored records and entries from RAM. In addition it returns formats, preferences and other settings to the factory default settings. Perform a warm boot first. If the mobile computer still does not respond, perform a cold boot.

Performing a Warm Boot

To perform a warm boot on 28, 38 and 48-key keypad configurations:

Step 1

Press and simultaneously hold 7, 9 and Power. Do not hold down any other keys or buttons.

Step 2

As the mobile computer initializes MC3000 demo window appears.


To perform a warm boot on 20-key keypad configurations:

Step 1

Press and simultaneously hold the 7 and 9 keys and the press the MENU and FUNC keys. Do not hold down any other keys or buttons.

Step 2

As the mobile computer initializes MC3000 demo window appears.


Performing a Cold Boot

A cold boot restarts the mobile computer and erases all user stored records and entries from RAM.

NOTE: Never perform a cold boot unless a warm boot does not solve the problem.

To perform a cold boot 28, 38 and 48-key keypad configurations:

Step 1

Simultaneously press and then release the 1, 9 and Power keys. Do not hold down any other keys or buttons. As the mobile computer initializes, the Symbol splash window appears for about a minute.

Step 2

Calibrate the touch screen.


To perform a cold boot on 20-key keypad configurations:

Step 1

Simultaneously press and then release the 1 and 9, MENU and FUNC keys. Do not hold down any other keys or buttons. As the mobile computer initializes, the Symbol splash window, appears for about a minute.

Step 2

Calibrate the touch screen.