Garmin GPSMAP 235 Sounder - Manual (Page 18)

Range Modes
The unit uses three range modes on the Sounder Page: auto, manual, and win-
dow. Auto mode displays the most information possible while continuously
showing the bottom. Manual mode lets you select the displayed depth. Window
mode allows you to define a starting depth and length of the range window,. but
must be started from the sounder options menu (see page 31).
To switch from auto to manual mode:
1. Press the R keypad up or down until the desired depth range is displayed on the
depth scale at the right side of the page. Press T to confirm the selected
range.
To switch from manual to auto mode:
1. Press the R up or down and hold it until you hear a repeated beep. ‘Auto’ will be
displayed in the function field at the top-right corner of the page. Press T.
Underwater Waypoints
The underwater waypoint feature marks a waypoint’s position and its depth.
Marking an underwater waypoint makes it easier to find and use an object for a
future fishing location reference point.
To mark an underwater waypoint:
1. Press T to pause the screen movement.
2. Use the R keypad to move the cursor onto the target you want to mark. A data
field will appear with the cursor’s depth and bearing and distance from your cur-
rent position.
3. Press T . A waypoint page will appear with the waypoint’s coordinates, default
three-digit name, and depth.
4. Enter any waypoint information such as name, comment, etc., and press T .
When finished, press Q or T .
A. When switching between auto and manual
modes, the range scale will be highlighted.
B. The depth of the waypoint is captured with the
underwater waypoint feature.
8
GETTING STARTED
Range Modes
A B
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