Furuno FR-8251, FR-8111 Inscribing Marks on the Display, The FUNCTION key, 18 Zoom function

1.20 Zoom

The zoom feature allows you to double the size of the area between your vessel and any location within the current range to take a closer look at an area of interest. (Your radar may not have this function.)

1)Select location with the cursor.

2)Press and hold down the SHIFT ZOOM key about two seconds. ZOOM appears at the top left corner when the zoom function is on.

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+

Cursor

Cursor

1 Place cursor	2 Press SHIFT
where desired.	ZOOM key to zoom.

Figure 1-18 Zoom function

Note: Zoom is canceled when range or presenta- tion mode is changed.

Canceling zoom

Press the SHIFT ZOOM key again.

1.21Inscribing Marks on the Display

The MARK (PUSH) control inscribes marks on the display. Each time the MARK (PUSH) con- trol is pressed, an asterisk (*) appears at the cur- sor location. You can inscribe 20 marks on the display to denote important locations such as wrecks and fishing grounds, or mark radar tar- gets when changing the range. When the memory for marks becomes full, the eldest mark is erased to make room for the latest.

Inscribing marks

Place the cursor on the location desired for a mark and press the MARK (PUSH) control.

Erasing marks

Erasing individual marks

Place the cursor on the mark to erase and press the CLEAR/DELETE key.

Erasing all marks

1)Press the MENU key.

2)Select the MARK & DATA menu and press the ENTER/SELECT key.

3)Select MK ERASE.

4)Press the ENTER/SELECT key.

5)Press the MENU key.

Mark bearing reference

You can display a mark with a relative bearing to own ship (relative) or with reference to the north (True).

1)Press the MENU key.

2)Select the MARK & DATA menu and press the ENTER/SELECT key.

3)Select MODE and press the ENTER/SELECT key.

4)Select REL (or TRUE).

5)Press the ENTER/SELECT key.

6)Press the MENU key.

1.22 The FUNCTION key

The FUNCTION key works similar to the auto- matic dialing feature on a telephone, playing back controls settings just as they were registered. In- stead of manually adjusting controls to set up for navigation in a harbor, for example, you can have the FUNCTION key do it for you.

Presetting the FUNCTION key

Eight target objectives are available and you can assign three sets on the FUNC menu. The eight objectives available are outlined in the table which follows.

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