Edgetech 2000-CSS, User Manual

Page: 47 / 101

3-13
3.8.2 Performing the Pre-deployment Checks
The pre-deployment checks should be performed after the system is activated and before the towfish is
deployed. These checks are performed for both the side scan and sub-bottom sonars and involve rubbing
your hand on the side scan transducer arrays and tapping the sub-bottom hydrophone arrays while
observing the Sonar displays in the DISCOVER Main windows; verifying correct heading, pitch and roll
outputs; zeroing the optional pressure sensor if installed; and verifying that data can be recorded and
played back in DISCOVER;.
To perform the pre-deployment checks:
1. Activate the system as described in A
CTIVATING THE
S
YSTEM
.
2. In the DISCOVER 2000-C Dual Frequency Side Scan Main window, click the Transmit tab in the
Lower Control panel. This tab is shown in
F
IGURE
3-5 .
Figure 3-5: Lower Control Panel, Transmit Tab—DISCOVER 2000-C Dual Frequency Side Scan
CAUTION! Do not allow the side scan or sub-bottom transducers on the
towfish to continuously transmit in air for an extended period as damage
to the transducers could occur.
3.
Select the High Sonar On and Low Sonar On check boxes.
The side scan transducer arrays on the towfish should begin transmitting and data should begin
scrolling on the Sonar display in the DISCOVER 2000-C Dual Frequency Side Scan Main window.
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.