Furuno FAR-2807 User Manual download pdf (Page 6)

1.5 Trail Eraser

The trail eraser allows you to erase a portion of a trail you select. This is useful when

the screen becomes cluttered with trails.

1. Place the cursor inside the effective display area.

2. Spin the scrollwheel to show "T-ERASER L=ERASE / EXIT" in the guidance box

at the bottom right-hand corner on the screen.

3. Push the left button successively to select eraser width, from the four choices

shown below. (This also may be done anytime while the guidance box shows the

above-mentioned indication.)

4. Do one of the following to erase a target trail:

• To erase a specific point or if you are using a trackball control unit (RCU-015 or

RCU-016), place the cursor on the part of the trail to erase and long-push the left

button. Trails within the track eraser are erased. To continue erasing, repeat the

above procedure.

• To erase trails in a wide area, select trail with the cursor, and roll the trackball

while pressing and holding down the [ALARM ACK] key. Trails which contact the

edge of the track eraser are erased.

A beep sounds when the right button, [ALARM ACK] key or trackball is operated.

Note: The trail eraser feature erases only track currently shown on the display. To

erase track stored in the memory, select a long trail time (from the TRAIL MODE

box), to show more trail on the display.

5. To quit the trail eraser feature, push the right button. (This feature is automatically

cancelled when no erasing is done for approx. 30 seconds.)

T-ERASER

L=ERASE

EXIT

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Furuno FAR-2807 User Manual Page 6