Odom ECHOSCAN, Manual

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04/26/02 36
Revision 1.11
The actual ECHOSCAN LCDU control program may also be downloaded.
This is a WINDOWS program that can be downloaded as a self-extracting
ZIP file. Once downloaded, simply double click on the file and all
components will setup on the user’s computer.
Install by selecting “Setup.exe”. To run, select ‘MULTIBEAM” in the
WINDOWS “Programs” menu.
Side Scan Recorder / Processor Interfacing
Every ECHOSCAN transducer is equipped with a set of “true” side scan
receive elements that receive acoustic backscatter information as echoed
form the common 200 kHz projector. These signals are preamplified in
the transducer and routed to a signal processor insider the SPU. Both
analog signals and a “key” pulse are ten made available on backpanel
BCN connectors. The key pulse is a negative going TTL pulse where the
leading edge (high to low transition) signifies the beginning of the “ping”
period. Each channel (port and starboard) output consists of detected
received signals in analog form (0 to 5 volts).
Figure 20
Mbout Program Setup Screen