Humminbird 997c SI Combo, Installation And Operation Manual

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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)
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)
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).
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