Furuno FCV-30 Operator's Manual page 64

2. WINDOW DISPLAYS
Setting up the v-temp graph
1. Click System.
2. Click Net.
Input data: Choose the format of data fed from net sonde or trawl sonar.
CIF: Water temperature and net depth fed from net sonde.
NMEA: Water temperature and net depth fed from trawl sonar
Horizontal axis Min and Horizontal axis Max: These set the minimum and maximum
temperature scale, and the range is –5 to 35(°C).
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