Furuno FR1500 Mk3 User Manual download pdf (Page 35)

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1.25.5 Terminating target plotting

With EPA you can plot up to 10 targets. You may wish to terminate plotting of less important targets

to newly plot other threatening targets.

With Trackball: Place the cursor (+) on a target which you do not want to be tracked any longer by

operating the trackball and press the [CANCEL/CLEAR] key.

All Targets: To terminate plotting of all targets at once:

1. Press the [MENU] key followed by the [7] key.

2. Press the [2] key twice to select OFF from the ERASE field.

2. Press the [ENTER/SELECT] key followed by the [MENU] key.

1.25.6 Setting CPA/TCPA alarm ranges

When the predicted CPA of any target becomes smaller than a preset CPA alarm range and its

predicted TCPA less than a preset TCPA alarm limit, the EPA releases an audible alarm and

displays the warning indication COLLISION on the screen. In addition, the EPA symbol changes to

a triangle and flashes together with its vector.

Provided that this feature is used correctly, it will help prevent the risk of collision by alerting you to

threatening targets. It is important that GAIN, A/C SEA, A/C RAIN and other radar controls are

properly adjusted.

CPA/TCPA alarm ranges must be set up properly taking into consideration the size, tonnage, speed,

turning performance and other characteristics of own ship.

CAUTION

CPA/TCPA

The CPA/TCPA alarm feature should never be relied upon as the sole means for detecting the risk

of collision. The navigator is not relieved of the responsibility to keep visual lookout for avoiding

collisions, whether or not the radar or other plotting aid is in use.

To set the CPA/TCPA alarm ranges:

1. Press the [MENU] key.

2. Press the [7] key twice to display the PLOT 1 menu.

3. Press the [5] key for CPA SET or [6] key for TCPA set.

4. Press the [5] key or [6] key again to select CPA or TCPA range desired.

5. Press the [ENTER/SELECT] key to register your selection.

6. Press the [MENU] key to close the menu.

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Furuno FR1500 Mk3 User Manual Page 35