4. File Formats
4.1. Overview
The file formats used are summarised below.
| Name | Purpose | 
| INI | defines initialisation data | 
| SDG | defines formatting rules for sdfget | 
| TBL | defines a table | 
Further details on these are provided below.
Note: sdm, sds and sdn files are normal SDF files used for normal modules, style modules and tuning modules respectively.
