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