User's Manual

RHOTHETA User Manual RT-800
Page 23 of 78
case of a vessel installation). In this case the indicated bearing value will be lagging a bit to
the actual bearing value.
Pressing function key F1 Clr after a distinct change of heading, the corrected bearing value
will be displayed immediately.
In connection with an alarm flag or an error message the key Clr deactivates warning tone
and alarm relay output.
5.1.5 Function Channel 16
Pressing function key F4 Ch 16 enables direct switching to maritime emergency channel 16.
NOTE: Please verify correct squelch adjustment of channel 16. For squelch adjustment see
6.3.
Pressing key F4 Back recalls the previous bearing frequency.
5.1.6 Function SAR
Pressing function key F2 SAR will show the SAR-Dialogue. This dialogue grants access to
following frequencies and functions:
• All Cospas-Sarsat frequencies (separated in channels)
• Start of Cospas-Sarsat-Scanning-Mode (all Cospas-Sarsat-Frequencies are
monitored)
• Cospas-Sarsat-Frequency found by last scan
• Decoding of Cospas-Sarsat messages
• 121.500 MHz (Emergency-Frequency)
• 121.650 MHz (typical Training-Frequency of PLB’s)
• 243.000 MHz (Emergency Fequency)
In the dialogue you could navigate with the arrow keys . By pressing
Ok
the
selected frequency is selected as new main frequency.
In chapter 5.5 the SAR-Dialogue is described in detail.
5.1.7 Function Scan
By pressing the function key F3 the scan dialogue is shown where the scan
modes can be activated. The dialogue provides one scan mode to scan eight channels freely
selectable of all bands and a second scan mode to scan all ship frequencies of the lower
marine band in 5 kHz steps.
A detailed description of the scan dialogue can be found in chapter 5.4 on page 27.