For each depth, indicate the location of the sounding data and whether any additional operations are needed.
1. Select the Identifier check box if the information is parsed from a specific line in the text file.
2. Type the name of the identifier and the start position for reading the depth data.
3. Select the dual frequency check box if the text file contains secondary single beam data that must also be converted.
The primary and secondary tabs contain identical fields. Enter data in one or both sections, as needed.
4. Select either Free Form or Fixed Column.
• If Free Form, enter the field number where the data is located.
• If Fixed Column, enter the start and length of data in the text file.
5. Enter any Multiplier/Offset values, as needed.
6. Select the Compute Raw Travel Time check box, if you want to calculate the raw travel time from the sonar to the seabed.
7. Select the Pseudo Time check box.
8. Type a Start date and type an Increment value (in seconds).