10.7.4. Demo .............................................................................................................................. 206
10.7.5. Transducer Element Check ........................................................................................... 207
10.8 Screen Adjust ......................................................................................................................... 208
10.9 Stress Echo Set-up ................................................................................................................ 209
11 eVocal ....................................................................................................................................................... 210
12 In Between Exams ...................................................................................................................... 211
12.1 Unpacking ............................................................................................................................... 211
12.2 Transport ................................................................................................................................. 211
12.3 Storage .................................................................................................................................... 211
13 Troubleshooting and Maintenance .......................................................................................... 212
13.1 Daily Checklist ........................................................................................................................ 212
13.2 Troubleshooting ..................................................................................................................... 212
13.3 Cleaning and Disinfecting the System ................................................................................... 213
13.3.1. Cleaning and Disinfecting the System Surface ............................................................. 214
13.3.2. Cleaning and Disinfecting the ECG Cable ..................................................................... 216
13.4 Maintenance ........................................................................................................................... 217
Appendix A Specifications .............................................................................................................. 218
A.1 Electrical Safety Classifications ............................................................................................ 218
A.2 Power Supply ........................................................................................................................ 218
A.3 Battery ................................................................................................................................... 218
A.4 Machine Specifications ......................................................................................................... 218
A.5 Display Specifications ........................................................................................................... 219
A.6 Technical Specifications ........................................................................................................ 219
A.7 Operating, Storage and Transportation Environment ........................................................... 221
A.7.1 Operating Environment ................................................................................................. 221
A.7.2 Storage and Transportation Environment ..................................................................... 221
A.8 Transducer Specifications ..................................................................................................... 221
A.9 Configuration Difference ....................................................................................................... 222
Appendix B Ultrasound Intensity and Safety ................................................................................ 223
B.1 Ultrasound in Medicine ......................................................................................................... 223
B.2 Ultrasound Safety and the ALARA Principle ......................................................................... 223
B.3 Explanation of MI/TI .............................................................................................................. 224
B.3.1 MI (Mechanical Index) ................................................................................................... 224
B.3.2 TI (Thermal Index) ......................................................................................................... 224
B.3.3 Display of MI/TI ............................................................................................................. 225
B.4 Acoustic Output ..................................................................................................................... 225
B.4.1 Factors that Contribute to Uncertainty in the Output Display ........................................ 225
B.4.2 Differences between Actual and Displayed MI/TI ......................................................... 225
B.4.3 Measurement Uncertainty ............................................................................................. 225
B.4.4 Acoustic Power Default Settings ................................................................................... 226