Chapter 4. Programming68 TransPort ® PT900 User’s Manual4.5.1 Programming the Transducer Parameters (cont.)2. Click on the TRANSDUCERS button and select your transducer model fromthe drop down list. The drop-down list will vary, based on whether youselected Wetted or Clamp-on as your transducer type. After you makeyour selection, a screen similar to Figure 76 below will open.Figure 76: The Transducer Parameters3. In the screen above, the PT900 has automatically entered the parametersfor your selected transducer. This data is accurate for all Standardtransducers, but you must edit this data with the correct information if youselected Other as your transducer model.a. Open the FREQUENCY drop-down list and select the frequency atwhich your transducer is designed to operate.b. The TW parameter is the time the transducer signal spends travelingthrough the transducer and the transducer cable. Enter the valueprovided by GE with your transducer.