Furuno UAIS TRANPONDER FA-150 Operator's Manual page 25

1. OPERATION
Operations on the plotter display
1. Press the DISP key to show the plotter display.
2. Use ▼ or ▲ to select the range. The available ranges are (in nm) 0.125,
0.25, 0.5, 0.75, 1.5, 3, 6, 12, and 24.
3. To find a target's data, see section 1.7.2.
Note 1: A target is declared a lost target under the conditions shown in the
table below. A target is erased from the screen 6 minutes and 40 seconds after
it is declared a lost target.
Class A
Ship at anchor or moored and not moving faster than 3 kn
Ship at anchor or moored and moving at more than 3 kn
0-14 kn speed
0-14 kn speed with course change
14-23 kn speed
14-23 kn speed with course change
Speed higher than 23 kn
Speed higher than 23 kn with course change
Class B
Speed over ground less than 2 kn
Speed over ground 2 kn or higher
Note 2: When a target's CPA and TCPA are lower than set in section 1.6, the
audio alarm sounds (if active). Press any key to silence the audio alarm. Take
suitable measures to avoid collision.
Note 3: "DNGR" (DANGER) appears at the end of the HDG line when a
target's CPA and TCPA are lower than the CPA and TCPA alarm settings.
Further, when a target becomes a lost target, "LOST" appears at the end of the
HDG line.
1-14
Ship's navigation status Target declared as
lost target after;
10 minutes
50 seconds
50 seconds
50 seconds
30 seconds
30 seconds
10 seconds
10 seconds
10 minutes
150 seconds