Edgetech 2000-TVD, User Hardware Manual

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3-14 3.0: SETUP AND ACTIVATION
2000-TVD COMBINED SONAR 0017424_REV_B
4. Record a few minutes of data, while performing the following tests:
a. Rub the port and starboard side scan transducer arrays while observing the Sonar display
in the Main window.
You should observe streaks or noise spikes in the waterfall display.
b.
Verify that the heading, pitch and roll sensors are working correctly by rotating, tilting
and rolling the towfish and observing the Heading, Pitch and Roll displays in the Lower
Indicator bar in the Main window.
c. If a pressure sensor is installed, verify that the Pressure display indication is at or nearly
zero. The Pressure sensor can be zeroed on deck under External Device Controls.
d. In the DISCOVER Sub-Bottom Main window, choose Control Panel from the Sonar menu.
The Options dialog box shown in F
IGURE
3-6 opens to the Sonar Control tab.
Figure 3-6: Options Dialog Box, Sonar Control Tab—DISCOVER Sub-Bottom
e. On the Sonar Control tab, make the required settings.
f. Click the Display tab.
The Display tab shown in F
IGURE
3-7 opens.
g. On the Display tab, set the Gain to either 0 or -3 dB, and then click Norm.
h. Close the Options dialog box.