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BASIC OPERATION > USING THE MAIN MENU
Fishfinder 250/250C Owner’s Manual 23
Tools Tab
The Tools tab controls the display of useful sonar tools.
Main Menu—Tools tab
The following settings are available:
• Flasher—this option activates a graphic flasher
representation, displayed on the right side of the graph. The
graphic flasher displays structure and bottom returns much the
same as a true flasher. You may find this feature particularly
useful when using fish symbols (pages 15, 22).
• Color Bar—shows a gradient scale of the current Target
Level setting (page 18).
• Temperature Graph—toggles On or Off the display of a
temperature graph on the Sonar page.
• Advanced Data Fields—toggles On or Off the advanced
data fields on the Sonar page.
• Configure Advanced Data Fields—activates the advanced
data field setup screen.
Configuring Advanced Data Fields
The top left of the screen contains configurable data fields for the
Sonar display. By default, the Basic display shows Depth, Water
Temperature, and Speed (depending on the Graph tab settings and
type of transducer/sensors attached). The Configure Advanced
Data Fields option in the Tools tab allows you to customize the
data fields that appear. The data field setup screen shows a larger,
configurable data field with a white background. The setup screen
allows you to select the type of data displayed and either a Narrow
(small) or Wide (large) size format for each data field.
Sonar page with advanced data fields