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If you are done with your setup changes, press the
to the normal display. To select the next menu item, press the
the Page control pad.
Frequency Setting
"Frequency" is a measure of how fast the sound waves change or
"vibrate." This unit uses sound waves with two different frequencies – 50
kHz and 200 kHz. For an explanation on the uses of these two frequen-
cies, see the section on "Choosing a Frequency."
From the area of the display for the zoom settings, press the
the Page control pad. The next menu item will allow you to make the
frequency setting. See Fig. 4-7.
Frequency
Use the < and > arrows on the Page control pad to make
your choice.
You have four choices here:
•
200 kHz, single frequency – The unit will use the narrow 200 kHz
beam. The fish symbols will be solid.
•
50 kHz, single frequency – The unit will use the wider 50 kHz beam.
The fish symbols will be hollow.
•
200 kHz, dual frequency – The unit will use both frequencies, but the
image on the display will be generated using the information from the
narrow 200 kHz beam.
•
50 kHz dual frequency – The unit will use both frequencies, but the
image on the display will be generated using the information from the
wider 50 kHz beam.
52
button to go back
CLEAR
Fig. 4-7
Frequency
Setting
Setup Instructions
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