MMI Features 2-53
September 2008
Chapter 2 - MTM800 Product Information Manual 6866537D87-F
16.2 Programmable Buttons
It is possible to program keypad buttons and other option buttons with the followingh 11 options:
• Start a call to a designated private ID, phone or PABX number
• Enter/exit TXI mode
• Hi/Low Audio selectable when terminal is held close to or away from the face
• Select a designated talkgroup and go to group mode
• Send a Status Message to a designated ID
• Switch between TMO & DMO operation
• Talkgroup Scan enable/disable
• Home Revert
• Enable/disable scanning
• Unassigned
16.3 Backlight for Display
A flexible backlight setting is provided by the terminals which are pre-programmed via CPS and
editable via the terminals menu:
Disabled: No backlight (for covert type operation)
Manual: On/off
Semi-automatic: Turns on for a programmable timer period when activated
Automatic: Turns on for a programmable timer period when buttons are pressed or calls received
Benefits:
❏ Appropriate setting to fit most customers needs
❏ Automatic Backlight saves energy without intervention of the user
16.4 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)
• switch off LED
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.
16.5 Languages
The terminal is capable to provide support for the following languages using ISO/IEC 8859-1 Latin 1
(8 bits) alphabet:
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