For create new Touch Series Pos user ID, you may login into DynaMod > Pos Management > Setup > Pos Security > Pos User Setting
All particular information must be filled to create new Pos user which include User ID, Pos Access Password, Pos User Group Maximum Discount % to be allow as well select attribute of Pos User via double click checkbox, explanation s follow..
Active : User will not able to access into Touch Series Pos when this option set to disable, it is advise to disable this option whenever a Pos Cashier has being resign instead of delete Pos User record for recording purose.
System User :
Supervisor :
For further more configuration setting Pos user access right setting base on Pos User Group may refer following link
https://smartacc.freshdesk.com/a/solutions/articles/9000185089