Humminbird 161 manual GPS & Navigation Terms

X-PressTMMenu: X-PressTMMenus are a Humminbird® feature that make the most commonly-used menu selections available with one press of the MENU key. Items that appear on the X-PressTMMenu are related to the current view, and present the most logical choices for that view. Sonar View X-PressTMmenus will differ from Chart View X-PressTMmenus, etc. X-PressTMmenus are one of the principal reasons that Humminbird® products are easier to use.

Zoom: Zoom is a feature that focuses in on a smaller area of the bottom to provide enhanced resolution. With enhanced resolution, the angler can more easily see fish hanging in structure or multiple fish hanging close together. Split screen zoom divides the display into the full range view on the right, and the zoomed view on the left. Humminbird® offers One-Touch® Zoom which allows the zoom feature to be easily accessed from the regular sonar view with just one key press, eliminating the need to use menus to access the feature.

Zoom, Bottom Lock: Bottom Lock Zoom is a feature that focuses on a smaller area just above the bottom to provide enhanced resolution. Unlike regular zoom, it continuously graphs the bottom at a constant point on the display regardless of changes in depth. This "flattens" out the bottom contour, but is effective at showing fish on or near the bottom, and is preferred by many saltwater anglers.

GPS & Navigation Terms:

Acquisition Time: The length of time that a GPS receiver typically takes to determine a position from at least three satellites. Humminbird® GPS receivers provide very fast acquisition times (under one minute), permitting users to get out on the water faster.

Alarm, Arrival: The audible alert that sounds when the boat is equal to or less than the alarm setting (25 feet–3000 feet) from the location of the destination waypoint.

Alarm, Drift: Drift Alarm is an audible alert that sounds when the boat is equal to or over the alarm setting (25 feet–3000 feet) from the location where the alarm was turned on.

Alarm, Off-Course:Off-Course Alarm is an audible alert that sounds when the boat’s distance from the intended Track, (Cross Track Error), is equal to or over the alarm setting (25 feet – 3000 feet). See Track and Cross Track Error.

Altitude: Altitude measures height above sea level. Altitude is a measurement that can be provided by GPS.

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