Feature User Guide
3
Your radio displays:
•
DMSCK is Valid
— your radio can work encrypted in DMO Mode.
•
DMSCK is Invalid
— your radio cannot work encrypted in DMO Mode. Please contact your service
provider to restore SCKs to your radio.
5.6.7 DMO SCK
Air interface encryption provides service confidentiality between your radio operating in Direct Mode and another
radio or a group of radios operating in Direct Mode. This feature allows you to enhance security.
This feature needs to be enabled by your service provider.
5.6.7.1 Changing DMO SCK
Procedure Steps
1
From the home screen, press MENU key.
2
Select
Security → DMO SCK
.
3
Press
Next
.
4
Radio displays
Change to version
.
5
Select one of the following:
•
Yes
— to change the key. Your radio displays
Key version changed
.
•
No
— to leave the key. Your radio displays
Code Not Changed
.
5.6.8 Covert Mode
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
Speaker Control
(corresponding to
Audio Toggle
menu entry).
• The private speaker is set to
Off
.
• The dimmer state is set to covert (this state is not selectable using the BACKLIGHT key.)
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