Humminbird 997c Combo, 900 Series manual Aux Temp Offset, Speed Calibration, Local Time Zone

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.)

To 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)

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%)

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).

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