User's Manual

RHOTHETA User Manual RT-800
Page 35 of 78
6.2 Setting Main Bearing Frequency/Channel
Selection of the main bearing frequency in the VHF and UHF air band and the Cospas-Sarsat
band is usually done by direct input of the desired frequency. In the maritime radio band the
input of the channel number (with related frequency) is usual. Both types of input are to your
disposal. The system will accept only inputs within the permitted frequency ranges.
6.2.1 Adjusting Main Bearing Frequency
Frequency step width depends on the selected frequency band. The last digits will be
rounded by the system.
• Open dialogue window, using key
Channel / Freq.
.
• Select with F1 or F2 Frequency. .
The frequency input field is activated . Additionally the display shows a list of the permissible frequency
ranges.
• Put in desired frequency by the means of the keyboard or directly using the arrow keys:
increases frequency by 5 kHz / 8,33 kHz / 25 kHz
decreases frequency by 5 kHz / 8,33 kHz / 25 kHz
moves cursor to the left for one digit in order to overwrite previous input
• Store adjustment using key
Ok
.
Device returns into bearing mode, working with adjusted frequency.
Fig. 22 Input of main bearing frequency
Permissible frequency ranges of the system
Frequency input field