viii
21.1 Overview ............................................................................................................................. 21-1
21.2 Precautions ......................................................................................................................... 21-1
21.3 Installing and Removing the Batteries ................................................................................ 21-2
21.4 Battery Status Indicator ...................................................................................................... 21-3
21.5 One Full Discharge / Charge Cycle .................................................................................... 21-3
21.6 Checking Battery Performance .......................................................................................... 21-4
21.7 Battery Disposal ................................................................................................................. 21-4
22 System Maintenance ................................................................................................. 22-1
22.1 Daily Maintenance .............................................................................................................. 22-1
22.1.1 Cleaning the System ................................................................................................... 22-1
22.1.2 Backup of the System Hard Disk ................................................................................ 22-4
22.2 Maintenance Checks by Service Engineer ........................................................................ 22-5
22.3 Consumables and Periodic Part Replacement .................................................................. 22-5
22.4 Troubleshooting .................................................................................................................. 22-5
23 Acoustic Output ........................................................................................................ 23-1
23.1 Concerns with Bioeffects .................................................................................................... 23-1
23.2 Prudent Use Statement ...................................................................................................... 23-1
23.3 ALARA Principle (As Low As Reasonably Achievable) ...................................................... 23-2
23.4 MI/TI Explanation ................................................................................................................ 23-2
23.4.1 Basic Knowledge of MI and TI .................................................................................... 23-2
23.4.2 MI/TI Display ............................................................................................................... 23-3
23.5 Acoustic Power Setting ...................................................................................................... 23-3
23.6 Acoustic Power Control ...................................................................................................... 23-4
23.7 Acoustic Output .................................................................................................................. 23-5
23.7.1 Derated Ultrasonic Output Parameters....................................................................... 23-5
23.7.2 Differences between Actual and Displayed MI and TI ................................................ 23-5
23.8 Measurement Uncertainty .................................................................................................. 23-6
23.9 References for Acoustic Power and Safety ........................................................................ 23-6
24 Measurement Accuracy ............................................................................................ 24-1
25 Safety Classification ................................................................................................. 25-1
26 Guidance and Manufacturer's Declaration ............................................................. 26-1
Appendix A Wireless LAN .......................................................................................... A-1
Appendix B DICOM ..................................................................................................... B-1
Appendix C Remote Control and Net Update .......................................................... C-1
Appendix D Electrical Safety Inspection .................................................................. D-1
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