How to scan a barcode with a PDA?

Detailed guide

1. Open the SecuTix application on the PDA device.
2. Hold the ticket in front of the PDA lector which is usually placed on the device head.
3. Press the central yellow botton on the PDA keyboard and point the infrared sensor at the barcode.
4. The system will display a response on the PDA screen:
   1. A green circle means that the ticket is valid.
   2. A grey 1/2 means that the ticket is valid, but was bought at a reduced rate.
   3. A red cross means that the ticket is invalid.