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• Presented to you (if it has higher priority
than the on-going call).
• To accept the call, press
Join.
• To cancel the call, press End.
Receiving an Emergency Group Call
For detailed information, see page 31.
Receiving a Broadcast Call
For detailed information, see page 32.
Transmit Inhibit
You can activate the Transmit Inhibit (TXI) Mode before
entering RF sensitive areas, e.g. in hospitals or in potentially
explosive areas, where safety can be jeopardized due to
MTH800 transmission radiation.
In TXI Mode the MTH800 will not transmit under any
circumstances, except for the Emergency Call, which can be
initiated even if the MTH800 is in TXI Mode.
All MTH800 functions and keys which cause transmission,
e.g. registration to the network, change of talkgroup or folder,
sending messages, pressing PTT, etc. are disabled. In this
case the display shows “Not Allowed In TXI Mode” and the
MTH800 sounds the “Transmit Inhibit” tone.
When no danger to safety exists anymore (for instance if you
leave the RF sensitive area), the TXI Mode can be
deactivated and the MTH800 returns to standard operation.
Setting the TXI Mode is described in “This mode should
always be set before entering areas where transmission is
prohibited, e.g. in hospitals or in potentially explosive areas.”
on page 142.
Radiation of the MTH800 is only suppressed if the TXI Mode is
activated or the MTH800 is separated from power supply.
Group In Use
TG4
ID: David
Join End
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