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4.9.5.2.1
Verifying DMSCK Validity
When and where to use: To ensure that the DMSCKs in the radio are valid and can be used for the
air interface encryption.
Procedure:
1 From the home screen, press the Menu key.
2 Select Security→DMSCK Validity.
The radio displays:
•
DMSCK is Valid – The radio can work encrypted in DMO.
•
DMSCK is Invalid – The radio cannot work encrypted in DMO. Please contact your
service provider to restore SCKs to your radio.
4.9.5.3
Changing DMO SCK
IMPORTANT: Changing this setting may cause radios not to operate correctly.
Procedure:
1 From the home screen, press the Menu key.
2 Select Security→DMO SCK.
3 Press Next.
4 Radio displays Change to version.
5 Select one of the following options:
•
Yes – To change the key. Your radio displays Key version changed.
•
No – To leave the key. Your radio displays Code Not Changed.
4.9.6
Covert Mode
NOTE: This is a Software Selling Feature.
This feature enables you to completely shut down all visible and audible alerts and notifications,
making the radio unnoticeable even in a silent and dark environment.
When your radio is in the Covert Mode, you cannot enter the following menu items of the Setup menu.
•
Set Volume
•
Tones
•
Backlight (in Display menu item)
When the Covert Mode is turned on:
•
All tones are set to Off (corresponding to All Tones menu entry).
•
Group audio is set to Spkr Cntrl (corresponding to Audio Toggle menu entry).
•
The private speaker is set to Off (this setting causes all the calls are routed through the earpiece).
•
Backlight is set to Disabled (corresponding to Backlight menu entry).
MN006260A01-AG
Chapter 4 : Main Menu
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