RT-500-M
RHOTHETA
Page 33 of 168
User Manual
Figure 19. Channel input with non-marine active frequency
3.
Selecting Cospas-Sarsat Frequency Groups
The hotkey “CP-SS” (s. Figure 14, position 2) opens a drop-down menu with selectable Cospas Sarsat
frequency groups. The currently active frequency group is highlighted in green, whereas the other
groups are gray. By pressing the “up” and “down” arrows (s. Figure 20, position 3), the colored frame
moves and marks the frequency group, which can then be selected by pressing “OK”. Pressing “ESC”
will close the dialog without adopting the new frequency.
Figure 20. Input of a new COSPAS-SARSAT frequency
With hotkeys “Frequency” or “Channel” (s. Figure 20, positions 1 and 2) it is possible to change into
the corresponding variant of the “Frequency/Channel Input” dialog.
As a result of the 8.33 kHz grid of the AU, after selecting any channel group, the indication on the
“Bearing” page will be as follows:
“406.025 MHz” for Channel ABC
“406.033 MHz” for Channel DEF
“406.042 MHz” for Channel GH
