
IQmark Digital ECG Operation Manual
ii
Serial Comparison ............................................................................................... 30
RR Variability Report Review .............................................................................. 31
APPENDIX ................................................................................................................ 33
A. OPERATIONS AT A GLANCE ........................................................................................ 33
B. TROUBLESHOOTING GUIDE ........................................................................................ 34
C. MAINTENANCE AND STORAGE OF THE ECG MODULE ..................................................... 38
Preventative Inspection ...................................................................................... 38
Cleaning .............................................................................................................. 38
Storage................................................................................................................ 38
D. MAINTENANCE AND STORAGE OF 10-LEAD RESTING ECG PATIENT CABLE .......................... 38
Instructions for Use ............................................................................................. 38
Cleaning .............................................................................................................. 39
Disinfection ......................................................................................................... 39
E. RADIO AND TELEVISION INTERFERENCE......................................................................... 40
F. EMC REQUIREMENTS FOR THE IQMARK DIGITAL ECG .................................................... 40
G. CUSTOMER SUPPORT ................................................................................................ 45
Warranty............................................................................................................. 45
Return Materials Authorization .......................................................................... 45
Shipping .............................................................................................................. 45
H. SAFETY AND INTERNATIONAL SYMBOLS ........................................................................ 46
I. GLOSSARY .............................................................................................................. 47
IV. IQMARK DIGITAL ECG SERVICE MANUAL ..................................................... 48
A. INTRODUCTION ........................................................................................................ 48
B. THEORY OF OPERATION ............................................................................................ 48
10-Leadwire Patient Cable.................................................................................. 49
ECG Buffer Amplifiers ......................................................................................... 49
Instrumentation Amplifiers ................................................................................. 49
Filters and Gain Amplifiers ................................................................................. 50
Analog to Digital Conversion .............................................................................. 50
Microcontroller ................................................................................................... 50
Isolated Serial Interfaces .................................................................................... 51
Lead-Off Detector ............................................................................................... 51
Pacemaker Detector ........................................................................................... 51
DC-DC Power Converter ...................................................................................... 51
C. SYSTEM MAINTENANCE AND OBTAINING SERVICE .......................................................... 52
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