IRS POS System English Tutorial (No Sound) IRS English Tutorial Part II May 24, 2016 IRS Admin Course Materials IRS POS System Software Tutorial Part II Computer Internet Connection Speaker Volume "ON" Course Content Expand All Advanced Training 10 Topics Expand Lesson Content 0% Complete 0/10 Steps 4.0 Print Barcode 4.1 BackupAndRestore 4.2 IRS POS System Customer 4.3 Security 4.4 Create Invoice & Making Payment 4.5 Appointment 4.6 Message 4.7 Point Management 4.8 Sales Screen Screen Setting 4.9 Sales Screen Button’s Function
