Humminbird 917C, 957C Speed Calibration, Local Time Zone, Daylight Saving Time, Position Format

Speed Calibration

(Advanced, with Speed paddlewheel only)

Speed Calibration will adjust the speed readout by the percentage entered, and will appear in the menu if a Speed accessory is connected and the paddlewheel has moved at least once, when the unit is in Advanced User Mode (see Setup Menu Tab: User Mode.)

To change the Speed Calibration setting:

1.Make sure you are in Advanced User Mode, then highlight Speed Calibration on the Setup menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Speed Calibration setting. (-20% to +20%, Default = 0%)

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)

Position Format

(Advanced)

Position Format selects the format of the latitude and longitude position display. This menu choice is available only when in Advanced User Mode (see Setup Menu Tab: User Mode.)

To change the Position Format setting:

1.Make sure you are in Advanced User Mode, then highlight Position Format on the Setup menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Position Format. (dd.ddddd°, dd°mm.mmm', or dd°mm'ss", Default = dd°mm.mmm')

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