Humminbird ] 981 - Manual (Page 81)

UNITS - DEPTH
Units - Depth selects the units of measure
for all depth-related readouts.
To change the Units - Depth setting:
1. Highlight Units - Depth on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Depth
setting. (Meters [International Models Only], Feet, Fathoms; Default is Meters
for International models, and Feet for Domestic models)
UNITS - TEMP
(International only)
Units - Temp selects the units of measure for all temperature-related readouts.
International Models Only.
To change the Units - Temp setting:
1. Highlight Units - Temp on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Temp
setting. (Celsius, Fahrenheit; Default = Celsius)
UNITS - DISTANCE
(With Speed input only)
Units - Distance selects the units of measure for all distance-related readouts.
To change the Units - Distance setting:
1. Highlight Units - Distance on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Distance
setting. (Domestic Models: Statute Miles, Nautical Miles; Default = Statute
Miles; International Models: Meters/Kilometers, Meters/Nautical Miles,
Feet/Statute Miles, Feet/Nautical Miles; Default = Meters/Kilometers)
UNITS - SPEED
(With Speed input only)
Units - Speed selects the units of measure for speed-related readouts.
To change the Units - Speed setting:
1. Highlight Units - Speed on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Speed
setting. (kph [International Models Only], mph, kts, Default = kph for
International models and mph for Domestic models)
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