Upper Range, Lower Range | Humminbird 937C DF COMBO, 937C COMBO

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UPPER RANGE

(Advanced: Sonar, Split Sonar and Active Sonar Side Views only)

Upper Range sets the shallowest depth range that will be displayed on the Sonar, Split Sonar and Active Sonar Side Views. The Upper Range menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode) and can only be accessed from the Sonar, Split Sonar and Active Sonar Side Views. Upper Range is often used with Lower Range.

For example, if you are only interested in the area between 20 and 50 feet deep, you should set the Upper Depth Range to 20 and the Lower Depth Range to 50. The Sonar View will then show the 30 foot area between 20 and 50, and will not show the surface or the bottom (assuming the bottom is deeper than 50 feet), and will show greater detail for that area between 20 and 50 feet.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and

Lower Range regardless of the manual settings entered.

To adjust the Upper Range:

1.Make sure you are in Advanced Mode, then highlight Upper Range on the Sonar X-Press™ Menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to increase or decrease the Upper Range setting. (0 to 2490 feet for 937c DF Combo and 931c DF models, 0 to 990 feet for 937c Combo and 931c models, or 0 to 758 meters for 937c DF Combo and 931c DF models or 0 to 301 meters for 937c Combo and 931c models [International models only], Default = 0)

LOWER RANGE

Lower Range sets the deepest depth range that will be displayed. Automatic is the default setting. When in automatic mode, the lower range will be adjusted by the unit to follow the bottom. Selecting a specific setting locks the depth range into Manual mode. Use both Upper and Lower Range together to view a specific depth range manually when looking for fish or bottom structure.

Mwill be displayed in the lower right corner of the screen when you start manually adjusting the Lower Range to indicate that you are in Manual mode.

For example, if you are fishing in 60 feet of water but are only interested in the first 30 feet (surface to a depth of 30 feet) you should set the Lower Depth Range limit to 30. The display will show the 0 to 30 foot range, allowing you to see a more detailed view than you would see if the display went all the way to the bottom.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and Lower Range regardless of the settings entered manually.

To adjust the Lower Range:

1.Highlight Lower Range on the Sonar X-Press™ Menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to increase or decrease the Lower Range setting. (AUTO, 10 to 2500 feet for 937c DF Combo and 931c DF models, 10 to 1000 feet for 937c Combo and 931c models, 3 to 762 meters for 937c DF Combo and 931c DF models, 3 to 304 meters for 937c Combo and 931c models [International models only], Default = AUTO)