Trimble Inc. CCKCDPD Benutzerhandbuch

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     Operation
5 6      CrossCheck CDPD Mobile Unit Manual
3.1
Introduction
Once you have installed and configured the CrossCheck CDPD, it is 
ready for operation. When power is applied, the CrossCheck CDPD 
operates automatically without user intervention, based on its 
firmware configuration.
This chapter provides a basic overview of the CrossCheck CDPD’s 
operation, including:
LED Indicators
GPS Receiver
CDPD Transceiver
3.2
LED Indicators
The CrossCheck CDPD includes two LED indicators: GPS and GSM. 
The firmware:
Continuously monitors the GPS receiver and the 
CrossCheck CDPD phone operation
Controls the two LED indicators