TX56/56A and TX57/57A Installation Manual
5 April 2022
01776-00-01
Issue AD
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Trig Avionics
Page 49
8. Normal Operation
8.1 Front Panel
8.2 Display Modes
The display is divided into two windows. The left part of the screen shows the
primary and standby frequencies and icons to indicate the operating mode of
the communication radio. The right part of the screen shows the primary and
standby frequencies and icons to indicate the operating mode of the navigation
radio. The controls are shared between the communication radio and the
navigation radio; which is being controlled is shown by the size of the
corresponding display window.
In communication radio mode, the dividing bar moves to the right and the
communication radio window occupies most of the screen. When the display
looks like that the knobs and buttons control the behaviour of the
communication radio.
In navigation radio mode the dividing bar moves to the left and the navigation
radio window occupies most of the screen. In navigation mode the knobs and
buttons control the behaviour of the navigation radio.
8.3 Com Radio Display
Press the COM button to enable Com display mode. The primary Com
