This article details the most-used settings for Koamtac 1d scanners paired to iOS devices for use with DataSplice. However, the exact configuration used may vary depending on your organization's unique circumstances.
Start by scanning the topmost barcode and work your way down.
If you are unable to scan from the screen, you may find this in a PDF file here.
Have a 2d Koamtac scanner that you want to pair with iOS? Find those instructions here.