How to enable transaction ID to be visible at POS Screen?

How to enable transaction ID to be visible at POS Screen?

Environment: 

iVend 6.6 
 

Problem Description: 

How to enable transaction ID to be visible at POS Screen?

Scenario: 

Need to enable Transaction ID at POS.

Solution: 

Enable the document number series in iVend MC--> Administration--> System Initialization--> Document number series.

Resolution/Work Around: 

After enabling the document number series in iVend the transaction ID can  be visible at POS Screen?