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2-2
Selecting a Display Mode
The CSH-73 provides three display modes: normal sonar pic-
ture, echo sounder (E/S) combination, and history display com-
bination. Those modes may be selected with the NORM, E/S
and HIST keys.
Table 2-1 Display mode description
Mode Description
The sonar picture appears over the entire screen.
This mode is useful for detecting and tracking fish
schools.
The default display area is 1.3 times
the range, but it can be changed to
1.6 times the range on "EXT KP/TM
DSP" in the SYSTEM menu.
Navigation information can be
displayed in the text window at
the screen bottom by turning on
"DATA DISPLAY" in the user
menu.
Normal scanning picture appears on the upper 5/8
of the screen and the signal fed from the echo
sounder on the lower 3/8. This mode is suitable for
judging fish school concentration.
When two echo sounders are connected, each
pressing of the E/S key alternately selects echo
sounder 1 or echo sounder 2.
Note that a net recorder can be connected as echo
sounder 2; select it on the "ES" sub menu in the
INIT SET/TEST menu.
Normal scanning sonar picture appears on the upper
5/8 of the screen and the history display on the
lower 3/8. Two types of history displays are
available: Audio and Port/Starboard.
You can select which one to display on the
USER menu.
NORMAL
E/S
HISTORY
Text window