Option Actions
• TMSCK is Valid – The radio can work encrypted in
TMO.
• TMSCK is Invalid – The radio cannot work encrypted
in TMO. Contact your service provider to restore SCKs to
your radio.
DMSCK Validity Your 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.
DMO SCK
IMPORTANT: Changing this setting may cause ra-
dios not to operate correctly.
a Press Next.
b Select one of the following options:
• Yes – To change the key.
• No – To leave the key.
18.5
Setting Covert Mode
NOTE: This is a Software Selling Feature.
Covert Mode enables you to completely shut down all visible and audible alerts and notifications,
making the radio unnoticeable even in a silent and dark environment.
Activating Covert Mode
Procedure:
1 From the home screen, press the Menu key.
2 Select Security→Covert Mode.
3 Select one of the following options:
Option Description
On
• All tones are set to off.
• Backlight and the LED are disabled immediately
• Group audio is routed to the earpiece.
• Your radio displays: Covert Mode On.
Off
• All settings for tones, backlight and audio are restored.
• Your radio displays: Covert Mode Off.
MN006360A01-AE
Chapter 18: Security
107
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