Users Manual Part 3

1. OPERATIONAL OVERVIEW

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1.37.11 How to show/hide land trails (C-type only)

You can improve the on-screen display visibility by hiding trails generated by land-

masses and non-moving objects. Hiding the trails has the following possible benefits:

• Land-masses have no trail, allowing you to use relative trails near coastlines.

• Only moving echoes create a trail, improving target identification.

1. Open the menu.

2. Select [1 ECHO].

3. Select [0 NEXT].

4. Select [4 TRAILS]. The [TRAIL MENU] appears.

5. Select [0 NEXT] to show the second page of the

menu.

6. Select [2 HIDE LAND TRAILS(T)] or [3 HIDE

LAND TRAILS(R)] as appropriate.

7. Referring to the table below, select the appropri-

ate setting, then press the ENTER MARK key.

8. Close the menu.

Note: When option [1] or [2] is selected trails for echoes outside the displayed area

are not generated. It is important to note that, where the displayed area is moved by

functions such as off-centering or true motion, newly displayed echoes do not have

trails.

1.37.12 How to set the trail length (C-type only)

You can save up to 48 hours of trails. the [TRAIL LENGTH] can be set to one of the

following lengths: [NORMAL], [12H], [24H] or [48H]. To set the trail length, follow the

procedure below.

1. Open the menu.

2. Select [1 ECHO].

3. Select [0 NEXT].

4. Select [4 TRAILS]. The [TRAIL MENU] appears.

5. Select [0 NEXT] to show the second page of the menu.

6. Select [4 TRAIL LENGTH].

7. Select the desired length.

[NORMAL]: Trails are displayed in a single, continuous line with a single color.

[12H], [24H] or [48H]: Trails appear in segments. The interval for each segment

change depends on your selection, as shown below.

Setting

Trails for non-moving objects

Trails for moving objects

Large objects Small objects

[OFF] Trails are shown Trails are shown Trails are shown

[1] Trails are hidden Trails are shown Trails are shown

[2] Trails are hidden Trails are hidden Trails are shown

• 12H: One hour intervals.

• 24H: Two hour intervals.

• 48H: Four hour intervals.