Fish Size Correction; Water Temperature Graph - Furuno MFD12 Operator's Manual

7.12.2

Fish Size Correction

The fish size shown on the display can be different from the true fish. If the size is
wrong, add an offset to the measured value to get accurate indication on the screen.
Use the RotoKey to select [Fish Size Correction] on the [Fish Finder-DFF/FCV] menu.
Rotate the RotoKey to set correction percentage then push the RotoKey. The setting
range is -80% to +100%, in intervals of 10.
Setting
+100
+50
-50
-65
-75
-80
7.13

Water Temperature Graph

The water temperature graph, which requires a temperature sensor, shows the sur-
face water temperature.
The water temperature indication (line) across the screen from right to left. The water
temperature scale is available in degrees Celsius or Fahrenheit, one of which you can
select from the [Global-Units] menu.
To activate or deactivate the water temperature graph, do the following:
1. Use the RotoKey to show the soft controls.
2. Select [Temp] then push the RotoKey to deactivate or activate the water temper-
ature graph.
Water temperature scale and graph
Fish Size Correction
Revised size
Two times
1.5 times
1/2
1/3
1/3
1/5
7. Fish Finder
7-19