Garmin GPSMAP 298C Owner's Manual - Page 78

Using Sonar, Sonar GSD 22 or GSD 21 Installation, Instructions

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USING SONAR > SONAR PAGE USING SONAR This section covers the additional sonar options for the GPSMAP 298 when used in conjunction with a transducer and the GPSMAP 292 when used in conjunction with a GSD 22 or GSD 21 and tranducer. Read the GSD 22 or GSD 21 Installation Instructions to properly install the GSD 22, GSD 21, and transducer. NOTE: You MUST have a transducer installed and connected to your GPSMAP 298 to use the sonar features. Sonar Page The Sonar Page is where your GPSMAP 292/298 becomes a powerful fishfinder/flasher. To view the Sonar Page, press PAGE repeatedly until it shows. Fish are shown as colored arches or as fish icons. Thermoclines are shown as shades of blue. The area of strongest sonar return shows as solid white (if Whiteline is active). Typically, the bottom is the primary whiteline. A thin whiteline indicates a soft bottom and a thick whiteline follows the contour of the bottom and show any objects of reasonable size. For more information on understanding sonar and the screen, see page 80. NOTE: You MUST have a GSD 22 or GSD 21 and a transducer installed and connected to your GPSMAP 292 to use the sonar features. Adjustment Menu Sonar Page 72 GPSMAP 292/298 Owner's Manual

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72
GPSMAP 292/298 Owner’s Manual
U
SING
S
ONAR
>
S
ONAR
P
AGE
U
SING
S
ONAR
This section covers the additional sonar options for the
GPSMAP 298 when used in conjunction with a transducer and
the GPSMAP 292 when used in conjunction with a GSD 22 or
GSD 21 and tranducer. Read the
GSD 22 or GSD 21 Installation
Instructions
to properly install the GSD 22, GSD 21, and
transducer.
NOTE:
You
MUST
have a transducer installed and connected
to your GPSMAP 298 to use the sonar features.
NOTE:
You
MUST
have a GSD 22 or GSD 21 and a
transducer installed and connected to your GPSMAP 292 to use
the sonar features.
Sonar Page
The Sonar Page is where your GPSMAP 292/298 becomes a
powerful fishfinder/flasher. To view the Sonar Page, press
PAGE
repeatedly until it shows. Fish are shown as colored arches or as
fish icons. Thermoclines are shown as shades of blue. The area of
strongest sonar return shows as solid white (if Whiteline is active).
Typically, the bottom is the primary whiteline. A thin whiteline
indicates a soft bottom and a thick whiteline follows the contour
of the bottom and show any objects of reasonable size. For more
information on understanding sonar and the screen, see
page 80
.
Sonar Page
Adjustment
Menu