14
Powering On/Off (On-Off/End/Home Key)
To power On, press and hold . Your MTP850 performs a
self-check and registration routine. After successful
registration, the MTP850 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 MTP850 will power On in Emergency Operation 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 > 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 MTP850
was previously used in Trunked Mode, it will register to the
network. If the MTP850 was previously used in Direct Mode,
it will remain in Direct Mode.
The terminal powers On and Off without visible and audible
notification if Covert Mode is activated. (Refer to “Covert Mode”
on page 119.)
Pressing the Emergency button, even if Transmit
Inhibit is activated, causes the MTP850 to
transmit immediately. The MTP850 must NOT be
within the RF sensitive area when entering
Emergency Operation.
Ensure you have left the RF sensitive area before
deactivating Transmit Inhibit.
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