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CENTRON GPRS SmartMeter User Guide 
 
   
 
 
 
SMR45-4601A  
14 
 
 
 
 
5  CENTRON Display Feature 
 
 
1. SmartSynch Identifier:  In general, the meter program controls the number of displays, associated 
fields, and display time.  This 3-letter field identifies SmartSynch display among available displays.   
 
Values Description 
SSI SmartSynch, 
Inc. 
 
2. SmartMeter Warning: displays error codes generated by SmartSynch embedded software. 
 
 
  
Normal operations – no errors 
  
SmartMeter module’s NVRAM error 
  
Read/write failure in the Common Configuration area - NVRAM 
  
Read/write failure in the App. Specific Configuration area - NVRAM 
  
Actual firmware binary image is corrupted 
  
Firmware image decompression error 
  
Meter clock deviation is greater than the maximum correction limit 
  
Software watchdog triggered – processor is reset 
  Good.  
  Warning.  
 Error
  
 
 
3. Wireless Coverage Status: coverage status detected by the GPRS modem. 
 
Values Description 
In coverage: modem can hear the network 
Out of coverage: modem can’t hear the network 
Shut-down:  modem power is off when temperature is outside [-20C, +70C] range 
Not Registered:  modem is not currently registered to any networks, but is trying to 
manually register on its own