13-21
13.3 Graphs
With connection of appropriate sensors, water temperature and depth graphs can be displayed.
13.3.1 Water temperature graph
1. Press [MENU], [0], [3] to open the Graph Display menu.
2. Enter time span in two digits in the Set Time Span field. The maximum time is 24 hours.
3. Select Yes from the Water Temp. Graph field. Selecting Yes inscribes the water temperature
measurement marker (white) at present intervals, as selected at step 2 above.
Water temperature
measurement marker
Track
4. Set the temperature range (-01
°
F to +99
°
F) on the Set Temp. Range field in a total of four
digits, and press the [ENT] key. For example, if the temperature range is 50
°
F to 70
°
F, enter
[5], [0], [7], [0], [ENT]. Use the
key to switch between plus and minus. The high
temperature value must be at least two degrees higher than the low temperature value.
5. Enter reference temperature no. 1 in the Set Ref. Temp. 1 field in four digits, and press the
[ENT] key. If it is 50
°
F, for example, enter [0], [5], [0], [0], [ENT].
Graph Display
Set Time Span
0
2
Water Temp. Graph
No
Yes
Set Temp. Range
05 ~ 20°F
Set Ref Temp. 1
010.0°F
Set Ref Temp. 2
015.0°F
Water Depth Graph
No
Yes
Set Depth Range
0100 ~ 1000 ft
Set Ref Depth 1
0450 ft
Set Ref Depth 2
0800 ft
↑↓←→
: Sel, Fix
MENU : Esc
Содержание GD-280
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