Catch Sensors | V1 | Servicing and Maintenance
e.
From NBTE Echograms Filter select Echosounder and Interference Reduction
Medium or High.
Echogram is fixed and blue
The echogram displayed in Scala is completely blue. There is no yellow line moving on
top of the echogram, which means that no sonar data is received.
Sounder frequency may be outside the correct frequency range.
1.
From Mosa, click Trawl Explorer> Ping Down Frequency and check that the
frequency is between 360-400 kHz.
2.
If not, change the frequency.
You may have dragged and dropped wrong sonar data to the display.
1.
Check that the name of the sensor on the top left corner of the echogram is Catch
Explorer.
2.
If not, from TE/CATCH in Sensors Data, click + hold Range of Sonar Data and drag it
to the page display.
The sounder in the transducer is damaged.
Contact the support service for repair.
Sensor has difficulty connecting to Mosa
Mosa is very slow or unable to detect the sensor.
The bluetooth does not work correctly.
1.
Connect and disconnect the sensor to a charger to make the sensor reboot.
The sensor is out of the bluetooth range.
1.
Bring the sensor closer to the computer.
2.
To extend the Bluetooth range, you can use a Bluetooth key (ref. TRENDnet
TBW-106UB) with a USB extender connected to the computer. Place the Bluetooth key
as close as possible to the sensor.
Catch Explorer images are incorrect when beginning towing
At the beginning of a tow, the Catch Explorer does not display correct echogram images.
When the trawl is not full yet, the codend moves a lot, as well as the sensors attached
to it. You will not have correct echogram images at the beginning of a tow because the
sensors are not correctly oriented toward the vessel.
The codend and sensor will become stable when the trawl begins to fill.
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