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Sounder Setup
The next sounder page menu option is ‘Sounder Setup?’. This option allows
you to setup the sounder for your specific needs. Five operational settings/func-
tions may be accessed: fish ID, water type, noise rejection, keel offset, and speed
calibration.
To access sounder setup:
1. Highlight the ‘Sounder Setup?’ option and press
T
. The sounder setup page will
appear.
• Fish ID—
determines how the GPSMAP 135 Sounder identifies and labels
sonar targets on the viewing screen. Three settings are available:
• Off–is the default setting and shows all sonar target information as
arches.
• On–shows small, medium, or large fish icons in place of arches
and displays other echo information (thermoclines, thin stumps,
etc.) as shades of gray.
• Fish Only–shows fish icons.
To select fish ID:
1. Highlight the ‘Fish ID’ option and press
T
. The fish id submenu will appear.
2. Highlight the desired setting and press
T
.
• Target Depth–Displays the digital depth of each fish icon.
• On–shows fish icons with digital depth.
• Off–does not display depth.
To select target depth:
1. Use the
R
keypad to highlight the target depth field and press
T
. A corre-
sponding submenu will appear.
2. Highlight your submenu selection and press
T
.
A. The ‘Off’ fish id setting is the default setting and
will display raw sonar data and show all targets
as arches.
B. The depth of each target is displayed by setting
the ‘TARGET DEPTH’ field to ‘On’.
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SECTION
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SOUNDER PAGE
Sounder Setup
GPS 135 Rev C 8/4/98 4:18 PM Page 32