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BASIC OPERATION > USING THE ADJUSTMENT MENU
16 Fishfinder 250/250C Owner’s Manual
Using the Adjustment Menu
The Adjustment Menu allows direct access to the settings and
features most commonly used on the Sonar page. There are 10 main
adjustment options available: Range, Zoom, View, Gain, Target
Level, Whiteline, Frequency, Depth Line, Noise Reject, and
Scroll. All adjustments may be made by using the ARROW keys
and ENTER key. The currently selected option will appear in the
upper left of the display with up and down arrows on either side of
the name.
To change an Adjustment Menu setting:
1. Press ADJ/MENU to display a list of all options and their
current settings. The adjustment window automatically
disappears when idle for 20 seconds, or you may press
ADJ/MENU to exit.
2. Press the Up or Down
ARROW keys to highlight the desired
option and press ENTER to display the adjustment window.
3. Press the Up or Down ARROW keys to move the setting
bar (or pointer) to the desired
percentage (Off, 1-100%), setting,
or range. When changing most
adjustment settings, an open
space is displayed on the scale
to indicate the Normal or default
setting. Once set to Normal, the
setting bar is replaced by the word
Normal.
4. Press ENTER to accept the new setting and return to the
Sonar page.
The current adjustment option is displayed in the upper left corner of
the screen. For fast adjustment from the Sonar page, press the Left
or Right ARROW keys to scroll through the options. Press the Up
or Down ARROW keys to change the current setting or press the
ENTER key to review the setting before making changes.