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MN006260A01-AG
Chapter 3 : Modes
Radio behavior when radio detects a potential repeater signal or connects to a gateway:
•
Radio sounds a tone sounds.
•
Radio displays Gateway available.
•
Radio displays an appropriate icon.
Radio behavior when radio loses connection with the gateway:
•
Radio sounds a tone.
•
Radio displays Gateway available.
•
Radio displays an appropriate icon.
Radio behavior when group call is in queue:
•
Radio displays Please Wait.
Radio behavior when entering Local Site Trunking:
•
Radio sounds a tone.
•
Radio displays Local Area Service.
3.3.12
Gateway and Repeater Synchronization
To communicate using gateways or repeaters, the radio requires synchronization with a gateway or a
repeater.
A gateway or a repeater sends presence signals to radios. If a radio receives presence signals, it stays
synchronized with the gateway or the repeater which sends the signals. If a radio fails to receive a
presence signal it does not immediately lose synchronization. The radio waits for another successful
presence for a time defined by your service provider. This function ensures that communications are
not dropped due to temporary reception issues.
If a gateway or a repeater is unavailable or the radio is not synchronized with a gateway or a repeater,
depending on the setup configured by your service provider, the following scenarios apply:
•
The radio falls back to Direct Mode Operation (DMO).
•
After pressing the PTT button, a prompt appears warning that the second press overrides the
gateway or repeater operation mode.
•
No direct DMO communications are permitted.
In the second scenario, while the radio receives individual calls and group calls, and replying to
individual calls is possible, replying to group calls is not possible.
3.4
Transmit Inhibit Mode
The Transmit Inhibit (TXI) Mode is a mode in which the radio sends no radio transmissions. Activate
this mode in RF sensitive areas, for example hospitals, airplanes, where safety can be jeopardized due
to transmission radiation.
To activate, select Menu→Networks→TXI Mode→Activate.
In this mode, the radio does not transmit under any circumstances except for the Emergency Calls.
All the functions and keys which cause transmission, for example registration to the network, changing
talkgroup or folder, sending SDS messages, or pressing the PTT button are disabled. Any transmission
trial causes the radio to display Not Allowed In TXI Mode notification and to play a tone.
Your radio can still receive:
•
Group calls
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