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RHOTHETA User Manual RT-800
Page 16 of 192
The mute-status is indicated by the orange highlight of the button.
The volume can be turned on by pressing the same button again.
While the mute function is activated, it is still possible to increase
or decrease the volume without producing any sound (using the
button for volume adjustment, s.
).
The brightness adjustment button contains two keys (+ and -).
Pressing any of the two keys opens the dialog window for
brightness adjustment of the TFT-display backlight, status keys
(labeled “Keys” in the “Adjust Brightness” dialog) (colored
highlighting of buttons
,
and
) and the white
illumination of buttons / legends (s. 6.5.4).
The squelch adjustment button contains two keys (+ and -).
Pressing any of the two keys opens the dialog window for
adjusting of the squelch level (s. 6.5.3).
Key without specific function.
5“ TFT full-color
display
Shows the corresponding data content of the current page or
dialog.
Hotkeys for activating variable functions.
The assignment of the keys differs depending on the page or
dialog.
Sensor of
brightness
Measures the ambient brightness to automatically adjust the
brightness of the TFT display, status keys (labeled “Keys” in the
Adjust Brightness” dialog) and buttons/legends.
Returns one step back in a menu or leaves a dialogue or an
adjusting field without storing changed parameters.
Confirms an input or selection.
Leaves a dialogue or an adjusting field and stores changed
parameters.
By pressing this button, the system returns to the bearing page
from any other page or dialog, without storing changed
parameters.
The arrow keys provide the navigation and selection within the
menu or selection field.
Furthermore, they allow increasing or decreasing of some values
(e.g. squelch level).