Motorola MTH800 Feature User Manual page 121

Air interface encryption provides service confidentiality
between your MTH800 and the system. Your MTH800 should
be provided with a set of SCKs.
To verify SCK validity for DMO, press Select. The display will
show one of the following messages:
• DMSCK is Valid — your MTH800 can work encrypted in
DMO.
• DMSCK is Invalid — your MTH800 cannot work
encrypted in DMO. Please call your Service Provider to
restore SCKs to your MTH800.
DMO SCK
From the main menu, select > Security > DMO SCK.
Key version is displayed when you select the option.
Air Interface encryption provides service confidentiality
between your MTH800 operating in Direct Mode and another
terminal or a group of terminals operating in Direct Mode.
You can change the current key, if the key change operation
is allowed by your Service Provider.
To change the key, if not in a call, select Next. The display
will show the following message: Change to version...
• Select Yes to change the key. Key version changed
display will appear.
• Select No to leave the key. Key version display will
appear.
Covert Mode
From the main menu, select Security
> Covert Mode.
Set Covert Mode to On
Select On. All tones are set to off, and the
backlight and the LED are disabled
immediately. The group audio is routed to the
earpeace.
Contacts
On
Vibrate
Select Back
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