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To activate this feature, press the Menu button and select 
More... > Networks > TXI Mode > Activate.
The TXI Mode remains active at power On. You will be asked 
whether to leave the TXI Mode On or not. 
Press the Yes key to deactivate the TXI Mode. If the 
MTM800 Enhanced was previously used in Trunked Mode, it 
will register to the network. If the MTM800 Enhanced was 
previously used in Direct Mode, it will remain in Direct Mode.
Press No in Trunked Mode and the MTM800 Enhanced 
powers down; press No in DMO and you remain in DMO with 
TXI selected.
Unlocking the MTM800 Enhanced
Your MTM800 Enhanced may be locked at power up. 
To unlock the MTM800 Enhanced after powering on, enter 
the code at the prompt. The MTM800 Enhanced enters the 
default Home display.
The unlock code is originally set to 0000. Your Service 
Provider may change this number before you receive your 
terminal.
Locking/Unlocking the Keys/Buttons
Press the Menu button and then . For detailed 
information, see “Locking/Unlocking the Keypad” on 
page 111.
Pressing the Emergency button, even if 
Transmit Inhibit is activated, causes the 
MTM800 Enhanced to transmit immediately. 
The MTM800 Enhanced must NOT be within 
the RF sensitive area when entering 
Emergency Operation.
Ensure you have left the RF sensitive area 
before deactivating Transmit Inhibit.