Humminbird 797C2 - Depth Offset (Advanced); Aux. Temp. Offset (Advanced)

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Depth Offset
(Advanced)
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. This menu choice is available only when in Advanced User Mode
(see Setup Menu Tab: User Mode.)
T
o change the Depth Offset setting:
1. Make sure you are in Advanced User Mode, then highlight Depth
Offset on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Depth
Offset setting. (-10.0 to +10.0 feet or -3 to 3 meters [International
Models only], Default = 0)
Aux. Temp. Offset
(Advanced)
Aux. Temp. Offset will adjust the aux. temperature readout (the temperature on
the optional-purchase temperature probe or Temp/Speed accessory) by the
amount entered. This menu choice is available only when in Advanced User
Mode (see Setup Menu Tab: User Mode.)
T
o change the Aux. Temp. Offset setting:
1. Make sure you are in Advanced User Mode, then highlight Aux. Temp.
Offset on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Aux.
Temp. Offset setting. (-10.0 to +10.0 degrees, Default = 0)