Locking/Unlocking The Keypad; Air Encryption On/Off - Motorola TETRA MTH800 Feature User Manual

Locking/Unlocking the Keypad

To prevent accidental key/button presses:
1.
Press
From the main menu, select > Security >
keypad is locked except
2. To unlock the keypad,
When there is an incoming call and the keypad is locked, you can still use
the PTT, rotary knob,
The Emergency button is not locked. Entering Emergency Operation,
unlocks all keys.

Air Encryption On/Off

From the main menu, select > Security >
This sub-menu allows you to view air encryption On/Off state.
Call encryption provides service confidentiality between you
and the system.
If encryption is on and you receive a clear call (unencrypted),
the MTH800 will display a
message.
You cannot manually disable Air Encryption (if fitted) from the menu. This
sub-menu only indicates if Air Encryption is enabled at that moment.
The Air Encryption feature is ONLY enabled depending on your Service Pro-
vider.
OR,
.
press
.
, and
Call & Data Not Encrypted
The
Keylock
.
.
AirEncrypt
.
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