Humminbird 917C Installation And Operation Manual page 54

Classic layout: The top portion of the display presents a historical log of
sonar returns from the 200 kHz down-looking sonar beam. New information
in the down beam panel scrolls from right to left. The bottom portion of the
display presents a historical log of sonar returns from the 455 kHz right- and
left-looking sonar beams. New information appears at the top, and scrolls
down the display.
Side Beam View, Classic Layout
1
2
1
Depth
2
Temperature
3
Left Side 455 kHz Sonar History Window
4
6
3
5
200 kHz Sonar History Window
Water Surface Line for 455 kHz
Sonar History Windows
Right Side 455 kHz Sonar History Window
Slanted layout: This layout presents the two 455 kHz side sonar beams and
the 200 kHz down-looking sonar beam as three panels of historical data. This
layout is presented as three slanted panels. New information appears on the
right, and scrolls to the left.
1
2
1
Depth
2
Temperature
3
Left Side 455 kHz Sonar History Window
4
5
In all of these layouts, the sonar information from the side-looking beams
6
reveals bottom contour, structure and fish similar to the down-looking beam,
but the area covered is to the left and right of the area shown in the down-
looking portion, so you actually see more of the bottom. The distance
covered by the right and left beams is based on the depth setting for the
down-looking beam, up to a maximum of 160 feet.
46
Side Beam View, Slanted Layout
5 5
4
3
200 kHz Sonar History Window
Water Surface Line for 455 kHz
Right Side 455 kHz Sonar History Window
5
6
4
5
Sonar History Windows
6