3 Creating an advanced sequence

3 Creating an advanced sequence — example

Advanced sequencing enables you to execute a number of different ping configurations in sequence. The different ping configurations defined are gathered into ping groups. The ping groups can be executed repeatedly in what is named ensembles. The sequence includes any number of ensembles and each ensemble may be repeated a fixed number of times.

Prerequisites

•

You are familiar with the objective of the survey and how the echo sounder works.

•

The EK80 is running in Normal or Inactive operating mode.

•

All transducers used in an advanced sequence must be installed in the EK80.

Context

This is an example where you create an advanced sequence consisting of ping configurations, ping groups and ensembles.

In the sequence there will be two different ping configurations, one for active mode and one for passive mode. The two ping configurations are included into one separate ping group each, one for active and one for passive pings. These two ping groups will be included in an ensemble. In the ensemble the active mode pings will be executed 50 times and the passive mode pings will be executed 10 times. The ensemble, when included in the sequence, is repeated 3 times.

Tip

When the advanced sequence includes only one ensemble, as in this example, the number of iterations is not relevant. The advanced sequence will be repeated until you manually stop the execution. If the sequence includes more than one ensemble, the number of repetition for each of the ensembles must be specified.

Procedure

Select Advanced Sequencing.

Advanced Sequencing is located in the Setup menu.

Create two ping configurations, one for passive mode and one for active mode.

Select New in the Ping page.

Type a name for the ping configuration.

Enter the parameters for the ping configuration.

Select Add to save the ping configuration.

Repeat the steps for the next ping configuration.

Create two ping groups, one for each ping configuration.

Select New in the Ping Group page.

Type a name for the ping group.

Add a ping configuration to the ping group.

Select Save to save the ping group configuration.

Repeat the steps for the next ping group configuration.

Create a new ensemble.

Select New in the Ensemble page.

Type a name for the ensemble.

Add the two ping groups created to the new ensemble.

Select the number of iterations for active ping group: 50

Select the number of iterations for passive ping group: 10

Select Add to save.

Create a new advanced sequence.

Select New in the Sequence page.

Type a name for the sequence.

Add the new ensemble.

Select the number of iterations for the ensemble: 3

Select Add to save.

Result

The advanced sequence is ready.