Mindray Hepatus 7

viii Operator’s Manual
Contents
C.2.3 Control Panel Position Adjustment .................................................................... C - 5
C.3 Table Stand ................................................................................................................... C - 6
D iScanHelper ........................................................................................................ D - 1
D.1 Use iScanHelper for Reference .................................................................................... D - 1
D.2 Use iScanHelper for Learning or Training ................................................................... D - 1
D.3 iScanhelper Menu ......................................................................................................... D - 2
D.3.1 View Selecting Area .......................................................................................... D - 2
D.3.2 Help Information Area ....................................................................................... D - 2
D.3.3 Single/quad-window Display ............................................................................. D - 3
D.4 Measurement, Comments, and Body Mark .................................................................. D - 3
E iVision ................................................................................................................. E - 1
F List of Vocal Commands ....................................................................................F - 1
G EMC Guidance and Manufacturer’s Declaration ......................................... G - 1
H Electrical Safety Inspection .............................................................................. H - 1
H.1 Power Cord Plug .......................................................................................................... H - 1
H.1.1 The Power Plug .................................................................................................. H - 1
H.2 Device Enclosure and Accessories ............................................................................... H - 2
H.2.1 Visual Inspection ............................................................................................... H - 2
H.2.2 Contextual Inspection ........................................................................................ H - 2
H.3 Device Labeling ........................................................................................................... H - 2
H.4 Protective Earth Resistance .......................................................................................... H - 2
H.5 Earth Leakage Test ....................................................................................................... H - 2
H.6 Enclosure Leakage Test ................................................................................................ H - 3
H.7 Patient Leakage Current ............................................................................................... H - 3
H.8 Mains on Applied Part Leakage ................................................................................... H - 4
H.9 Patient Auxiliary Current ............................................................................................. H - 4
I Acoustic Output ....................................................................................................I - 1
I.1 Concerns with Bioeffects .................................................................................................I - 1
I.2 Prudent Use Statement .....................................................................................................I - 1
I.3 ALARA Principle (As Low As Reasonably Achievable) ................................................I - 1
I.4 MI/TI Explanation ...........................................................................................................I - 2
I.4.1 Basic Knowledge of MI and TI .............................................................................I - 2
I.4.2 MI/TI Display ........................................................................................................I - 3
I.5 Acoustic Power Setting ....................................................................................................I - 3
I.6 Acoustic Power Control ...................................................................................................I - 4
I.7 Acoustic Output ...............................................................................................................I - 4
I.7.1 Derated Ultrasonic Output Parameters ..................................................................I - 4
I.7.2 Limits of Acoustic Output .....................................................................................I - 5
I.7.3 Differences between Actual and Displayed MI and TI .........................................I - 5
I.8 Measurement Uncertainty ................................................................................................I - 6
I.9 References for Acoustic Power and Safety ......................................................................I - 6
J Acoustic Power Data and Surface Temperature Data ..................................... J - 1
J.1 Description of symbols used in acoustic output tables ................................................... J - 1
J.2 Transducer Maximum Surface Temperature .................................................................. J - 3