Depth offset, Temp. offset, Speed calibration – Humminbird 385ci User Manual

Page 138: Local time zone

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Depth Offset

(Advanced)

Settings: -10.0 to +10.0 feet, or -3.0 to 3.0 meters
[International Models only]; Default = 0 ft

Depth Offset will adjust the digital depth readout to indicate depth from the
waterline or boat's keel. Enter a positive vertical measurement from the
transducer to the waterline to read the depth from the waterline. Enter a
negative vertical measurement from the transducer to keel to read the depth
from the keel.

Temp. Offset

(Advanced)

Settings: -10.0 to +10.0 degrees, Default = 0

Temp. Offset will adjust the temperature readout by the amount entered.

Speed Calibration

(Advanced, with Temp/Speed only)

Settings: -20% to +20%, Default = 0%

Speed Calibration will adjust the speed readout by the percentage entered,
and will appear in the menu if a Temp/Speed Accessory is connected and the
paddlewheel has moved at least once.

Local Time Zone

(Advanced)

Settings: Various, Default = EST [UTC-5] - Eastern
Standard Time

Local Time Zone selects your time zone in reference to the time reported by the
GPS receiver when Time+Date is selected as a Digital Readout on the Sonar
View (see Setup Menu Tab: Select Readouts).

Setup Menu Tab

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