103
The Menu
To activate the TXI Mode:
1. From the main menu, select More > Networks > TXI 
Mode
.
2. Select Activate.
The MTH800 will sound the “Transmit Inhibit” tone. The dis-
play shows 
TXI Mode in the first row, and the solid amber LED 
indicates the TXI Mode.
To deactivate the TXI Mode, e.g. after
 you have left the area 
where transmission is prohibited:
1. From the main menu, select More > Networks > TXI 
Mode
.
2. Select Deactivate.
The MTH800 sounds the “Transmit Inhibit” tone and exits 
TXI.
GPS Location Services
Refer to “GPS Location Services” on page 61 for details.
All menu items which cause transmitting are blocked in TXI Mode. It 
is not possible to change the group.
6802972C35.book  Page 103  Monday, August 16, 2004  9:22 PM