WAVECOM Decoder W74PC, W-PCI/e, W-CODE, W-CLOUD Manual V9.1.0  Transmission Modes 
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separate file alongside the .wav file. This feature is useful when the voice session is encrypted.  The user 
can analyze and try to decrypt the bits. 
User Interface 
The user interface for  TETRA consists  of a  three pane window similar  to the GUI for the satellite modes 
and an options dialogue. 
GUI for voice communication 
 
In uppermost part of  the  GUI two  status  lines are  continuously  updated  with system information: Mode 
(TMO or DMO), base station main frequencies, country code (MCC), network code (MNC), local area identi-
fication (LA), security class and the frequencies of neighbor base stations. 
The upper pane will display signaling information for the signal being monitored. For voice the default dis-
play will show slot number, destination and source addresses, call ID and status. Other options are availa-
ble from Options | Tetra Settings (see below). 
GUI for SDS