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Page 5-3
L-3 ELAC Nautik
5.1.1 DISTORTION LEVEL TEST
After routing and connecting the transducer cable a distortion level test has to be carried out, to
ensure the correct routing and screening of the transducer cables.
Test procedure:
1. Switch on the echosounder LAZ 5100
2. Select 500 m range
3. Select Display Gain 10 (max.)
4. Select Display Mode 1/2 for Dual Channel Unit
5. Select Item Gain, man. in the Parameter Menu
6. Select Gain 15 (max.)
7. Check the recording on the LCD – Screen. Below the transmitting pulse and echo signals no or
only light distortion shall appear on the screen.
8. If strong distortion appear, check and correct transducer cable routing and screening according
to the Installation Instruction.
9. Repeat test procedure until the display is free of distortion.
10. Return to normal mode
Connect up peripheral equipment, i.e. external PC, printer, remote display unit etc. in accordance
with the above mentioned connection diagram and referring to Figure 3-3 in chapter 3.5.