CVS-833/833C
Chapter 6
Using the Menu
of the fish species is sensitive to the HIGH frequency transmission, i.e. the detected fish school could
be small fish like young sardine. If the resultant echoes are shown in different colors from the HIGH
frequency transmission, it indicates the fish school is sensitive to LOW frequency, therefore a larger
size of fish species.
HIGH freq.
Image
Image detectable only
by high frequency
LOW freq image
HIGH freq image
Red image is displayed as it
Image detectable by high frequency is displayed as it is.
In the COMP (comparison)
mode, an image detectable by
both HIGH and LOW frequencies
is displayed in a composite color.
In the SUB (subcontract) mode,
an image is indicated on a
lower color level by
subcontracting the low
frequency level from the high
one.
Mixed Image
(CMP)
HIGH freq.
Mixed I
(SU
mage
B)
Figure 6.9 Mixed image display
Image
6.8 MENU 5
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OFF ON
1
MENU : Exit
: Mod
: MENU No. Select
MENU 1
Speed Corr
Temp Corr
Temp Graph
PRR
Return
MENU 2
MENU 3
MENU 4
MENU 5
MENU 6
MENU 7
MENU 5 includes the following functions.
1. Correcting a displayed boat speed.
2. Correcting a displayed water temperature.
3. Turning on or off display of the water
temperature
Graph.
4. Changing the number of transmission in order
to reduce images from other sounder, which is
synchronized with your sounder.
Figure 6.10 Menu 5 display
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