Performing Pre-Deployment Checks; Figure 3-5: Discover 4125 Towfish Control Tab - Edgetech 4125 SIDE SCAN User Manual

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3 3 .11 Performing Pre-deployment Checks

The pre-deployment checks should be performed after the system is activated and before the tow vehicle
is deployed. These checks involve verifying that data can be recorded and played back in DISCOVER 4125;
rubbing your hand on the transducer arrays while observing the Sonar display in the DISCOVER 4125 Main
window; verifying correct heading, pitch and roll outputs; and zeroing the pressure sensor:
1. Activate the system as described above.
Do not allow the transducer arrays on the tow vehicle to continuously
transmit in air for an extended period as damage to the transducer arrays
could occur.
2. In the DISCOVER 4125 Main window, click the Towfish Control tab on the Lower Control panel.
This tab is shown in
3. Select the High Sonar On and Low Sonar On check boxes.
The transducer arrays on the tow vehicle should begin transmitting and data should begin scrolling on the
Sonar display in the DISCOVER 4125 Main window.
4. Start recording a file while performing the pre-deployment test below, and then play back the file
to verify that the SS data and navigation information is present
5. Rub the port and starboard transducer arrays (as seen in
display in the DISCOVER 4125 Main window.
4125 SIDE SCAN SONAR SYSTEM
CAUTION!
Figure 3-5.

Figure 3-5: DISCOVER 4125 Towfish Control Tab

Figure 3-6) while observing the Sonar
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