Operating Your Fishfinder
Scroll—sets the rate that the graph scrolls from right to left. If you are sitting still or the graph is moving too fast, slowing or pausing the graph can help. The settings are Ultra, Fast (default), Medium, Slow, and Paused.
Zoom—sets the zoom level for the screen. Off is the default.
View—when you select a 2X or 4X Zoom setting, you can select a specific area to view on the screen. You can also allow the Fishfinder to automatically select a zoomed viewing area based on the bottom.
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Using the Setup Menu
To access the Setup menu:
Press MENU. Use the Arrow keys to move the selection arrow to Setup, and press ENTER. The options appear.
Options and Settings
Your changes to the following settings are used until you set the System Defaults option to Yes.
Alarms
Battery—controls an alarm that sounds when the battery is reaching a critical state of discharge. The settings are Off (default) and 8.5–16.0volts remaining.
Shallow—sets an alarm for a shallow water warning at a specific depth. The settings are Off (default) and 1.0–600 feet.
Deep—sets an alarm for a deep water warning at a specific depth. The settings are Off (default) and 1.0–600 feet.
Fish—turns on or off (default) an alarm that sounds when the Fishfinder detects what it determines to be a fish.
Fishfinder 90/140 Owner’s Manual
