2 - 14 MC55 User Guide
Resetting the MC55
There are two reset functions, warm boot and cold boot. A warm boot restarts the MC55 by closing all running
programs. A cold boot also restarts the MC55, and also initializes some drivers. Data saved in flash memory or a
memory card is not lost.
If the MC55 is not functioning properly, perform a warm boot first. If the MC55 still does not respond, perform a cold
boot.
Performing a Warm Boot
Hold down the red Power button for approximately five seconds. As soon as the MC55 starts to boot (splash
screen displays) release the Power button.
Performing a Cold Boot
To perform a cold boot:
•
On a numeric keypad, simultaneously press the red Power button and the and keys.
•
On an alphanumeric keypad, simultaneously press the red Power button and the and keys.
•
On an PIM keypad, simultaneously press the red Power button and the and keys.
Fast Blinking Amber Charging error.
Off Not charging.
Single Blink Amber (when Power button pressed) Battery depleted.
Blinking Amber (when Power button pressed) Battery over-temperature condition.
Radio Status LED (MC5574 only)
Slow Blinking Green RF (WWAN) activity.
Off No RF activity.
Table 2-6
LED Indications (Continued)
LED State Indication
NOTE For information about scanning/decoding, see Data Capture on page 2-35. For information about WWAN
radio status and settings, see Chapter 4, Using the Phone, or refer to the MC55 Integrator Guide.
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