L-3 Communications Aydin Corporation 6000-8501900 Benutzerhandbuch

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• LED 2 on the Terminal indicates signal 
strength.  See Table 1 for a color code of signal 
strengths.
i You may need to reposition the Terminal to 
select the best location.  Try doing so with the 
unit powered on while looking at LED 2 to 
confirm reception.
i To operate without an external power source, 
the battery should be charged for at least 48 
hours.
8. Testing the Terminal
You can test the Terminal either by simply placing 
a phone call or by performing the “Ring Back Test” 
described below.  (To place a phone call, do not 
forget to unlock the SIM card using your PIN.  See 
the next section below for instructions).
i The GSM Terminal will start dialing 3-5 
seconds after the last digit of the phone number 
is entered.
POWER SUPPLY 
Power OK
Power OK/No battery     
Battery Operation  
Battery Low      
Initializing      
Input Voltage Low  
SERVICE   
In Service    
In Service/Signal Low
Registering    
Registering/Signal low
No service    
No service/Signal low
SIM    
No SIM    
Input PIN Required
SIM locked    
OPERATING MODE   
Voice Mode     
Incoming Data Mode
Incoming Fax Mode
Serial Data Connection 
         Indicates blinking           Indicates [OFF]
LED 1
LED 2
LED 3
Table 1. Front panel LED Status
Q
UICK
 S
ETUP
 G
UIDE