Chapter 8. Error Codes and Troubleshooting138 TransPort ® PT900 User’s Manual8.5 Help Topics ListThe following is a complete list of the available help topics:1. What type of tablet may I use with the PT900 Applications?2. Where can I get the PT900 application?3. To update to the latest version of the PT900 APP, do I need to update bothmy APP and PT900 firmware?4. I cannot connect to the PT900 transmitter with my tablet. What am I doingwrong?5. Can someone connect to the PT900 transmitter with Bluetooth without thePT900 APP and damage my transmitter?6. Can I work OFFLINE and save my settings before connecting to atransmitter?7. How many PRESETs can the meter save?8. Can I connect to more than one PT900 transmitter at a time with my APP?9. How do I determine the material of my pipe?10. How do I determine the SNSP of my pipe?11. How do I determine the outer diameter of my pipe?12. How do I determine the wall thickness of my pipe?13. What is a pipe lining and how do I know if my pipe has a lining?14. Do I need to turn on tracking windows? If yes, when do I turn ontracking windows?15. If I do not know the fluid, what do I use for a sound speed?16. How do I determine the Kinematic Viscosity of my fluid?17. What is the difference between a wetted transducer and a clamp-ontransducer?18. What transducer should I use for my pipe?19. How do I determine the type of transducer that I have?