4.8.5.2.1
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.
4.8.5.3
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.
4.8.6
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.
All audio activities are suppressed to the built-in speaker and mic, and the audio is routed to and from
the accessory only.
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).
MN001489A01-BR
Chapter 4 : Main Menu
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