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Press the Yes soft key (see “The Soft Keys” on page 13) if 
you want to deactivate the TXI Mode – e.g. if you have left 
the RF sensitive area where the TXI Mode was 
recommended. If the MTM800 was previously used in 
Trunked Mode (TMO), it will register to the network. 
If you press Yes, and the terminal was previously used in TXI 
and Direct Mode, it will exit TXI Mode and remain in Direct 
Mode. 
If the terminal was previously in Trunked Mode with TXI 
enabled, pressing No will power off the terminal.
If you press No, and the terminal was previously used in TXI 
and Direct Mode, it will remain in TXI and Direct Mode.
Key Overview
The Mode Key
The MTM800 has four major call modes when operating in 
Trunked Mode Operation (TMO):
• Group mode — to send and receive Group Calls.
• Private mode — to send and receive Private Calls.
• Phone mode — to send and receive Phone Calls.
• PABX mode — to send and receive local (office) extension 
numbers calls.
 
If configured by your Service Provider, Group mode is the 
home mode to which the MTM800 returns automatically 
when there is no activity for a few seconds in another mode 
or in the menu.
Group mode can operate either in 
•In Trunked Mode Operation (TMO) the MTM800 is used 
with the infrastructure services within system coverage, or
•In Direct Mode Operation (DMO) the MTM800 is used 
without infrastructure services required.
PABX mode will only be displayed if enabled by your Service 
Provider
6815321H01_KOR.book  Page 12  Thursday, November 13, 2008  8:06 AM