Added text based edit item: In previous version only numbers could be entered as data field. This changes introduces a edit field for entering text in upper characters. '_' are used for seperation because simple white spaces (' ') would cause problems in the handling of the edit field. String length is limited to eigth charecters.

Heinrichs Weikamp OSTC4 / OSTC 5 update files.

The builds are for testing purposes only. Be careful, they might not work and are definitely not recommended for real dives.