Garmin Fishfinder 250 Owner's Manual page 26

B O > U M
ASIC PERATION SING THE
The following settings are available:
—controls how the graph shows underwater
• Fish Symbols
targets and background information. If the symbols are Off,
the unit displays all of the available information about the
underwater environment. If the symbols are On, the graph
displays only the information related to those symbols.
Fish Symbols Off—All available
information is displayed.
Suspended targets are displayed as
fish symbols. Background information is
displayed.
Same as above with the target depth
attached.
Suspended targets are displayed as fish
symbols. No background information is
displayed.
Same as above with the target depth
attached.
22
M
AIN ENU
—controls the presentation of the depth scale displayed
• Scale
vertically along the right side of the graph. The depth scale
display can be configured four different ways: Overlay,
Corners, Basic, or No Scale.
—allows you to specify a custom viewing
• Custom Range
range/scale. Once enabled, this range is displayed as Custom
in the Range adjustment control. The left value is the top of
the scale and the right value is the bottom of the scale.
• Background Color (Fishfinder 250C only)
change the background color of the Sonar display. Choices are
Black, Blue, and White.
—allows you to choose between a Normal or
• Number Size
Large sized Basic depth/temp/speed display. This does not
change the advanced data field number sizes.
• Temperature and Water Speed—hides or displays
temperature and water speed on the Sonar page. When set to
Auto, the unit automatically displays this information only if
it is received from the transducer.
—allows you to
Fishfinder 250/250C Owner's Manual