Humminbird 947C - Manual (Page 80)

DEPTH OFFSET
(Advanced)
Depth Offset will adjust the digital depth readout to indicate depth from the waterline
or boats 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.)
To 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 = 0.0, or Off)
TEMP OFFSET
(Advanced)
Temp Offset will adjust the temperature readout by the amount entered. This
menu choice is available only when in Advanced User Mode (see Setup Menu Tab:
User Mode.)
To change the Temp Offset setting:
1. Make sure you are in Advanced User Mode, then highlight Temp Offset on the
Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Temp Offset
setting. (-10.0 to +10.0 degrees, Default = 0.0, or Off)
LOCAL TIME ZONE
(Advanced)
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 Select
Readouts). This menu choice is available only when in Advanced User Mode (see Setup
Menu Tab: User Mode.)
To change the Local Time Zone:
1. Make sure you are in Advanced User Mode, then highlight Local Time Zone on
the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Local Time Zone
(Default = EST [UTC-5] - Eastern Standard Time).
DAYLIGHT SAVING TIME
(Advanced)
Daylight Saving Time adjusts the time display to account for local Daylight Saving
Time. Selecting On adds one hour to the time display adjusted for your local time
zone. Selecting Off leaves the time display as adjusted for your local time zone. This
menu choice is available only when in Advanced User Mode (see Setup Menu Tab:
User Mode.)
To change the Daylight Saving Time setting:
1. Make sure you are in Advanced User Mode, then highlight Daylight Saving Time
on the Setup menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to turn Daylight Saving Time
On or Off. (Off, On, Default = Off)
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