Furuno 1823C manual Shifting the Display, Chart Scale, Charts scales

3. PLOTTER OPERATION

3.3Shifting the Display

The plotter display can be shifted as below.

1.Use the trackball to locate the cursor at a screen edge. The screen shifts in the direction opposite of cursor location.

2.To turn off the cursor, press the CENTER soft key. This also returns the own ship marker to the screen center.

3.4Chart Scale

Chart scale (range) may be selected with the [RANGE -] or [RANGE +] key. The [-] key shrinks the chart range (image is expanded); the [+] key expands the cart range (image is shrunk). The available ranges are as below.

Charts scales

nm	0.125	0.25	0.5	1	2	4	8	16	32	64	128	256	512	1024	2048
km	0.23	0.46	0.93	1.85	3.70	7.41	14.8	29.6	59.3	119	237	474	948	1896	3742
sm	0.144	0.29	0.58	1.15	2.30	4.60	9.21	18.4	36.8	73.7	147	295	589	1178	2356

Note: When the display is expanded or shrunk beyond the range of the chart card in use the message “NO CHART” appears, along with the appropriate chart icon. See the illustration on the next page for details.

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