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RTS W
selects the w idth of the w indow
INDOW
dedicated to Real Time Sonar. Selecting Narrow
decreases the w idth of the RTS w indow leaving
more space for the chart w indow, how ever some
sonar returns w ill not be visible. Selecting W ide makes the RTS w indow
w ider and show s more of the sonar intensity information, how ever less
space on the LCD is available for sonar history. Selecting Off turns off the
RTS w indow and the entire LCD show s sonar history.
Note: When the RTS w indow is adjusted to Wide, no grayscale
information is show n.
RTS W indow setting is retained in memory w hen the
factory setting is Narrow.
S
C
URFACE
LUTTER
near the w ater surface caused by trapped air,
boat w akes and temperature inversions. M ost
surface clutter appears on the display because the
strongest sonar return comes from the shallow est objects. The
sophisticated feature called TVG (Time Variable Gain) to overcome surface
clutter and counteract the affect of depth on sonar return strength. The
level 1 setting is optimal for making sonar information from all depths
appear the same. How ever, many users prefer to see more surface clutter
than this setting show s. Selecting a higher number show s more surface
clutter, but sonar returns nearest the surface w ill appear more intense than
they actually are.
The Surface Clutter setting is retained in memory w hen the
off. The factory setting is 4.
W
L
activates and adjusts a feature w hich
HITE
INE
changes how the 160 draw s the bottom contour
and structure, as w ell as show fainter sonar
returns more clearly. When a White Line setting
of 1 to 8 is selected, a light gray band highlights the strongest sonar returns
w ithin the sonar image and makes a distinctive outline along the bottom
contour, structure and fish. Selecting a larger numeric setting increases the
w idth of the band and makes fainter sonar returns more noticeable;
how ever the 160's ability to show subtle differences in bottom composition
eliminates most sonar returns
USING THE 160
CONTROL PANELS
160
is turned off. The
160
uses a
160
is turned
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