Nauticast GmbH NAUTICASTA2 用户手册
Page 48 of 80
1001001-2EN A2 Product Manual 2_0
7.4.2 Target List
The target list is primarily useful when analyzing the receiving functionality. The propagation characteristics
of VHF radio frequencies are close to line of sight. A harsh radio environment, reflections in cables, connectors
The target list is primarily useful when analyzing the receiving functionality. The propagation characteristics
of VHF radio frequencies are close to line of sight. A harsh radio environment, reflections in cables, connectors
or the antenna will shorten the effective range.
Figure 43 – Target List
7.4.3 Date and Time
The date and time (UTC) in the upper right corner of the display is provided by the transponder. If the date
and time are not correct, the transponders internal GPS does not have a position fix. This will also be indicated
by the alarm “UTC sync invalid”. This problem is normally caused by a GPS-antenna failure or damaged
and time are not correct, the transponders internal GPS does not have a position fix. This will also be indicated
by the alarm “UTC sync invalid”. This problem is normally caused by a GPS-antenna failure or damaged
antenna cables. This problem may also be caused by interference from radio equipment on-board.
7.4.4 View Raw Data
The
The
View Raw Data
view can be used to see received data on the ports of the NAUTICAST A2. It is useful for
troubleshooting to make sure that connected sensors provide correct data to the NAUTICAST A2 unit. The
“View Port” parameter determines from which port the data displayed in the view are taken. It is possible to
pause the view by pressing the “Freeze” button. All data that is received while the view is paused will not be
pause the view by pressing the “Freeze” button. All data that is received while the view is paused will not be
displayed in the view.
Figure 44 – View Raw Data