13-22
6. Enter reference temperature no. 2 in the Set Ref. Temp. 2 field and press the [ENT] key.
0.0 H
0.5 H
1.0 H
1.5 H
2.0 H
800 ft
450 ft
100 ft
1000 ft
10.0˚F
5.0˚F
15.0˚F
20.0˚F
#1 Water Temp. #2 Water Temp #1 Depth #2 Depth
Upper Limit
Lower Limit
Time
Water temperature measurement marker
inscribed on track at these intervals.
7. Press the [MENU] key several times to close the menu.
13.3.2 Depth graph
1. Press [MENU], [0], [3] to display the Graph Display menu.
2. Select Yes from the Water Depth Graph field.
3. Enter depth range (0000-9999 m) in the Set Depth Range field, in four digits, and press the
[ENT] key.
4. Enter the no. 1 reference depth in the Set Ref Depth 1 field in four digits, and press the [ENT]
key.
5. Enter the no. 2 reference depth in the Set Ref Depth 2 field in four digits, and press the [ENT]
key.
6. Press the [MENU] key to close the menu.
13.3.3 Displaying water temperature, depth graph
1. Press [MENU], [1], [2] to display the Water temperature and depth graphs (at the bottom of
the display).
15.0˚F
20.0˚F
10.0˚F
5.0˚F
0.5 H 1.0 H
0.0 H 1.5 H 2.0 H
100 ft
450 ft
800 ft
1000 ft
2. Press the [MENU] key several times to close the menu.
Summary of Contents for GD-280
Page 1: ...COLOR GPS PLOTTER GP 280 380 680 COLOR VIDEO PLOTTER GD 280 380 680...
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Page 260: ...A 2 2 World Time Chart...
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