Humminbird 1155C - Manual (Page 107)

Sound Volume
Sound Volume allows you to control the volume of all sounds emitted
by the control head (except for the volume of the alarms, which is controlled by Alarm Volume).
To change the Sound Volume setting:
1. Highlight Sound Volume on the Setup main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Sound Volume setting.
(Mute, 1 - 10, Default = 5)
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)
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