• | Head Name You can enter any name to identify the Sonar Head.
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• | Serial Number The unique serial number of the Sonar Head.
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• | IP Address, Port, Subnet Mask, and Default Gateway These network parameters are used to identify and locate the Sonar Head on the local network. Your Sonar Processor must be on the same network as the Sonar Head.
Tip
If you need to set up a unique network environment, you can change the IP Address, Port, Subnet Mask, and Default Gateway
of the Sonar Head using the Head Network Setup dialog box.
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• | Trigger Mode If applicable, set the Trigger mode to synchronize the Sonar Head with another acoustic device (such as a second M3 Sonar Head or a sub-bottom profiler). Set the trigger mode to Master to send out a sync pulse so that the other acoustic device can be triggered. Set the trigger mode to Slave to be triggered by the sync pulse from the other device. For the M3 Sonar, the default is set to Master.
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• | Time Sync Mode Time synchronization is critical for Bathymetry applications. By default, the M3 software uses the computer’s time to set the Sonar Head clock (Host mode). Your computer can keep accurate time by using a GPS or network time server as the master time source. When connecting to the Sonar Head, it takes two minutes to synchronize the time to within five milliseconds. The M3 software will then continuously keep the Sonar Head clock in sync for the duration of the session. The status bar shows the time synchronization status.
If you have an M3 Sonar Head with a 1PPS connector, you can synchronize the Sonar Head clock with an external 1PPS source.
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