RHOTHETA User Manual RT-800
Page 24 of 192
Indication of
squelch level
Current squelch level in [%] or [dBm]:
o
The squelch level can be set manually. In this case the
numerical value is shown inside the indicator.
o
67
No signal is received (squelch level > signal level).
By pressing “Autoset SQL” (s.
) the squelch level is set
above the noise level by a defined value (only once every
time this button is pressed). The indicator stays blue with
the numerical value inside.
o
55
The signal is received (signal level > squelch level).
o
The option “Automatic SQL” is selected (no signal
received).
o
The option “Automatic SQL” is selected (signal is
received).
The squelch level will be held continuously at the best
position over the noise. If set to automatic, the indicator
turns green and shows an “A” instead of the numerical
value.
Digital signal
level indication
Signal level of active bearing frequency / channel in [%] or [dBm]
(adjustable in the “Setup” page).
Digital bearing
display
Indication of the bearing information:
o
Averaged bearing value in degrees as a three-digit number
in the middle of the display
o
Reference of the bearing (“True”, “Magnetic” or “Relative”)
o
The last bearing clock is shown in the lowermost line of the
digital bearing display (s. also Fig. 7) if the bearing signal
has disappeared. The clock counts the time elapsed since
the signal was lost.
The indication is in [hh:mm:ss].
o
Distance from the current GPS position to the stored GPS
position is shown in the uppermost line of the digital
bearing display.
This information is only indicated, if GPS data is available
and at least one GPS arrow is displayed (Decode mode). If
there is more than one GPS arrow, only the distance to the
closest coordinates will be shown.