User's Guide

Table Of Contents
None
No notification is displayed.
Notification Only
Keys Locked is displayed.
Notification and Instruction
For MTP8500Ex
Press Menu + Left to lock/unlock keypad is displayed.
For MTP8550Ex
Press Menu * to lock/unlock keypad is displayed.
4.9.2.2
Setting Automatic Keylock Delay
Procedure:
1 From the home screen, press the Menu key.
2 Select SecurityKeylock SetupDelay.
3 Use Up and Down Navigation keys to change the minutes and press Done.
4.9.2.3
Setting Keylock on Startup
Procedure:
1 From the home screen, press the Menu key.
2 Select SecurityKeylock SetupStart Locked.
3 Select On or Off.
4.9.3
Air Encryption
NOTE: This is a Software Selling Feature.
This menu item allows you only to view air encryption state.
Air Encryption is a feature that enables encryption of entire communication between the radio and
infrastructure, which results in increased security of calls, messages, and data.
If configured by your service provider, the radio plays a sound and displays Call & Data Not
Encrypted when encryption is on and you receive a clear call (unencrypted). This feature provides
service confidentiality between you and the system.
In the TMO Mode, when Air Encryption is enabled on your radio but cannot be supported due to an
infrastructure failure, the following icon appears on the display:
. When encryption is not available in
the DMO Mode, the radio displays: .
4.9.3.1
Viewing Air Encryption State
Procedure:
1 From the home screen, press the Menu key.
MN006260A01-AD
Chapter 4 : Main Menu
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