Adjustment Options - Garmin GPSMAP 496 Owner's Manual

Adjusting the Sonar Page
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.
Use the roCKEr and EntEr keys to make all adjustments. The
currently selected option appears in the upper left corner.
To select an adjustment option:
Use one of the following methods to select an adjustment option:
• Press the ROCKER right or left to scroll through the
adjustment options. When the adjustment option is shown,
press ENTER.
• Press MENU, highlight Adjustments, and press ENTER. Use
the ROCKER to highlight the adjustment, and press ENTER.
When you have selected an adjustment option, press the roCKEr
up or down to change the setting.
You can also press MEnU, and highlight the shortcut setting to
quickly change to commonly used settings/values.
Press EntEr to accept the new setting (or press QUit to cancel)
and return to the Sonar Page.
GPSMAP 496 Owner's Manual
Setting up and Using Sonar >

Adjustment Options

Sonar Adjustments
Scroll—adjusts the rate that the sonar screen scrolls from right to
left. If you are sitting still or the sonar screen is moving too fast,
slow the scroll rate or pause the scrolling.
range—sets the depth range used for viewing. The unit can be set
to automatically track the bottom or set to a user-specified depth
range.
Using the Sonar Page
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