Dmo Sck; Changing Dmo Sck; Covert Mode - Motorola MTM5400 Feature User Manual

Feature User Guide
Your radio displays:
3
• 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.
Select Security → DMO SCK.
2
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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