Table of Contents
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Procedure
1
To select Passive mode, use the
dialog box.
a
Open the
Operation
b
Select
Normal Operation
c
For the relevant transceiver channel, set
to Passive.
Mode
d
Set
Pulse Duration
e
Select
OK
Note
If you set
Mode
the echogram(s).
2
Enable the
Noise
a
Open the
Display
b
Select
Display Options
c
Select
Tooltip
d
Select
Noise
e
Select
OK
3
For each channel:
a
Place the cursor in the approximate centre of the echogram, and observe the
tooltip information.
b
Read the noise value.
c
Fill in the result table.
Result
Frequency
18 kHz
33 kHz
70 kHz
401925/C
Normal Operation
menu.
.
to 1.024 ms.
to save the selected setting and close the dialog box.
to Passive, your EK80 will no longer provide any information in
tooltip.
menu.
to open the dialog box.
to open the page.
to enable the tooltip.
to save the selected setting and close the dialog box.
Noise level
Testing the EK80 operational functionality
Frequency
120 kHz
200 kHz
333 kHz
Noise level
33
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