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3.8.6 Selecting Negative Edge Triggering for the Optional Responder
A jumper is factory-installed in the topside processor if an optional responder is used. Contact EDGETECH
CUSTOMER SERVICE for details and support.
3.9 System Activation and Test
After the connections to the topside processor have been completed, the 4200 Series High Definition
Dual-frequency Side Scan Sonar System can be activated. However, a few pre-deployment checks are
required before deployment of the tow vehicle to verify that the system is operating properly.
When performing the system activation and test, refer to sub-section 3.6:
TOPSIDE PROCESSOR CONNECTIONS
for the location and description of the controls and indicators on the topside processor. In addition, should
the system not activate properly or the pre-deployment checks fail, refer to SECTION
5:
TROUBLESHOOTING for assistance on how to isolate and correct the problem.
3.9.1 Activating the 4200 Rack Mount System
To activate the 4200 Rack Mount System:
1. Turn on the POWER switch on the back panel of the 4200 Rack Mount Topside Processor. This
switch can be left in the on position at all times if desired.
2. Turn on the LCD monitor.
3. Push the system POWER button.
4. Push the TOWFISH POWER switch.
5. The TOWFISH indicator should illuminate. The SYSTEM indicator should illuminate and remain on,
and the HARD DISK indicator should flash for two to three minutes while a self-test is run. After
this test is completed, the Discover software will start and open to the Main window.
6. In addition, the NET indicator on the Status bar at the bottom of the Discover window should
indicate as follows:
3.9.2 Activating the 4200-P Portable System
To activate the 4200-P Portable System:
1. Turn on the laptop computer and start the Discover software.
2. If the wired Ethernet connection is being used, verify that the wireless network switch is disabled
and the Ethernet LAN is enabled. If the wireless Ethernet connection is being used, verify that the
wireless network switch is on and Wireless Networking is enabled.
3. Turn on the POWER switch on the side panel of the 4200-P Portable Topside Processor.
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