MMI Features 2-53
March 2009 Chapter 2 - MTP850 Ex/MTP810 Ex Product Information Manual 6866588D21-D
18.5 Covert Mode
The Covert Mode feature is designed to give to the user ability to completely shut down all visible
and audible alerts and notifications effectively making the radio unnoticeable even in a silent and
dark environment.
When Covert Mode is turned on, the terminal
• sets all tones to Off (corresponding to All Tones menu entry)
• sets group audio to Speaker Controlled (corresponding to Group Audio menu entry)
• sets private speaker to Off (this will cause all calls to be routed via Earpiece)
• sets backlight to Disabled (corresponding to Backlight menu entry)
• switches off the LED indicator
The terminal powers up in the mode it was before power down, therefore the terminal powers up in
Covert Mode if it was set before power down.
18.6 Configurable Menu Tree
The Configurable Menu Tree feature allows the user to define which menu entries shall be visible in
the terminal menu when in operation to ensure easy access to critical or needed features.
The CPS displays the radio menu tree with a checkbox for each item. The menu item is visible in the
terminal menu if the respective checkbox is enabled in the CPS as described in section 23.4 "Menu
Configuration" on page 2-98.
18.7 Keypad Lock
The user is able to lock the keypad to prevent accidental pressing of keys. The keypad Lock and
Unlock can be invoked via the menu or via a predefined menu shortcut (<Menu>,<Left>).
While the keypad is locked, all front and side keys (including PTT) are inoperative with the exception
of the <Power off> and Emergency buttons.
When an incoming call is received, the <Send> and PTT buttons will automatically be unlocked until
the call ends.
18.8 Languages
The terminal provides support for the following languages using ISO/IEC 8859-1 Latin 1 (8 bits)
alphabet:
• English
• German
• French
•Spanish
•Dutch
•Greek
• Italian
•Swedish
• Norwegian
• Lithuanian
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