User Guide

The Transmit Inhibit icon appears in the Shortcut Bar as a notification or
the status line on the Home screen
The Tri-colour LED flashes orange four times approximately every 2
seconds.
Tip: There may be a soft key programmed to toggle Transmit Inhibit
on/off. For a list of programmed soft keys refer to the radio's Help (Menu
> Help).
Fallback Mode
If a base station loses communication with the rest of the network, then any
radios using the base station continue to operate, but with a reduced service.
This is known as Fallback Mode. The base station broadcasts the loss of
communication to all radios which are using it.
In Fallback Mode your radio can only communicate with other radios that are
registered on the same site: no inter-site communication is available.
When your radio enters Fallback Mode:
the radio status bar indicates Fallback Mode and the yellow warning
triangle is displayed momentarily
the Fallback Mode text box pops up in the centre of the screen for a few
seconds showing a customisable text message
the RSSI antenna icon flashes continuously
the tri-colour LED flashes amber intermittently (indicating limited service
mode)
the radio generates a warning tone
When your radio leaves Fallback Mode:
the radio status bar returns to normal (Ready… or similar)
the RSSI antenna icon stops flashing
the tri-colour LED stops flashing
a text box pops up indicating normal operation.
the radio generates a warning tone.
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SC20 series – 04/2016