You can either choose to select your sum of skinfold measurement, by choosing 4, 7, or 10.
Or you can also manually enter this by ticking the 'Overwrite' box.
1. 4skinfold
2. 7skinfold
3. 10skinfold
General info: user functionalities depend on the roles & permissions settings. If a certain functionality does not work within your user account, this will be because you don't have sufficient permissions for this.