2. HORIZONTAL MODE
2-7
When Full-circle A-Scope mode is active, you can toggle the display between Full-cir-
cle A-Scope only and a “dual” display which show both the Full-circle A-Scope and the
horizontal scan echoes.
By using the Horizontal + Full-circle A-Scope, you can compare the two displays and
better estimate the density and distribution of fish schools.
To toggle the display, press . The display switches between Full-circle A-Scope
only and the “dual” display with each press of the button.
In the above example, figure 1 shows the Full-circle A-Scope display. Figure 2 shows
the Horizontal + Full-circle A-Scope mode display.
When using the CH-600, press and select [HOR./Full A-Scope].
2.6 Horizontal Mode (Zoomed)
Fish echoes may be enlarged by 1.5 times by using the Horizontal (zoomed) mode.
To view this display mode, press .
Depending on the training direction when this display mode is activated, the train cen-
ter is automatically moved as shown in the table below.
Training direction Position after zoom is enabled Remarks
318° to 42° Bottom of screen (Example figure 1) For viewing forward.
48° to 132° Left side of screen For viewing starboard side.
138° to 222° Top of screen For viewing aft.
228° to 312° Right side of screen (Example figure 2) For viewing port side.
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