23
English
Attaching the Antenna
Insert the bottom of the antenna into the screw-in base on the top of 
the MTH800. Turn counter clockwise until snug. Do not force.
Powering On/Off (On-Off/End/Home Key)
To power On, press and hold . Your  MTH800 performs a self-
check and registration routine. After successful registration, the  
MTH800 is in service.
To power Off, press and hold . You will hear a beep and the 
Powering Off message is displayed.
Powering On (Emergency Button)
Press and hold the Emergency button to power On. The MTH800 
will power On in Emergency Mode or in standard mode (as 
programmed).
Powering On with Transmit Inhibit (TXI) Active
Transmit Inhibit is a feature allowing you to switch off transmission 
before entering a Radio-Frequency (RF) sensitive area. To activate 
this feature, press and select More...> Networks > TXI Mode 
> On.
Turn the MTH800 Off before installing or removing the antenna.
Pressing the Emergency button, even if Transmit Inhibit is activated, causes 
the MTH800 to transmit immediately. The MTH800 must NOT be within the 
RF sensitive area when entering Emergency Mode.
Turn counter-clockwise
to attach
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6802972C30.book  Seite 23  Montag, 12. Juli 2004  4:11 16