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2.21.3
Trail time
Trail time, the trail plotting interval, can be selected with the scrollwheel, left button or
right button.
The trail timer counts up the trail time and is erased once the terminal count is
reached. For example, if the trail time is six minutes, the timer is erased when trails
have been plotted six minutes. The maximum time of count up for continuous plotting
is 29:59.
Note: Caution is advised when using the trail timer, as the trail accuracy of other ship's
echoes may be lowered.
How to select a trail time
Four controls are available to select a trail time.
• Control Unit: Push the TRAIL key.
• Trackball module: Put the cursor on the Trail time indication at the bottom-right po-
sition then operate the control (left button or scrollwheel). For the right button, a con-
text-sensitive menu appears. Click the desired time.
The times available depend on the control used as shown in the table below.
Control
Left button, right button,
TRAIL key
Scrollwheel
2.21.4
How to reset target trails
All trails may be erased (including those in the memory) and restarted to start trails
fresh.
Control Unit: Press and hold down the TRAIL key until trails disappear.
Context-sensitive menu: Right-click the Trail box to show the context-sensitive
menu then select [Trail All Clear].
2.21.5
How to temporarily remove all target trails from the display
You may wish to temporarily remove all trails from the display. Trails are removed but
are continued internally.
Control Unit: Press the TRAIL key to show [OFF] in the trail time indication.
Trackball module: Click the trail time indication to display [OFF].
2.21.6
Trail stabilization in true motion
True motion trails can be ground stabilized or sea stabilized. The [Trail time] indication
shows current stabilization as [True-G] or [True-S]. To change the stabilization mode,
open the [SPD] page of the sensor settings menu (see section 1.16) and set [Stabili-
zation Mode] to Bottom (GPS) or Water (speed log).
2. RADAR, CHART RADAR OPERATION
Available setting
OFF, 15 sec, 30 sec, 1 min, 3 min, 6 min, 15 min, 30 min,
CONT(inuous)
OFF, 15 sec, 30 sec, 1-30 min (30 sec intervals), CONT(inu-
ous)
2-27
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Troubleshooting
