Electrical Safety Inspection  A-15 
ELECTRICAL SAFETY INSPECTION 
8- Patient Auxiliary Current   
overview 
Patient Auxiliary currents are measured between any selected ECG jack and the 
remaining selected ECG jacks. All measurements may have either a true RMS or a 
DC-only response. 
TEST PROCEDURE 
  Prepare   
1)  From the MAIN MENU, or with the outlet unpowered, plug the DUT into the 601PRO 
front panel outlet, and turn on the device. 
2)  Attach the patient leads to the 601PRO ECG jacks. 
3)  Define the Lead Types from the View Settings Option (refer to: Lead Type Definitions 
in Section 5 of this chapter). 
4) 
Press shortcut key 8. The Patient Auxiliary Current test is displayed, and the test 
begins immediately. Display values are continuously updated until another test is 
selected. 
 
5)  Press SOFT KEYS 1-4 to select leakage tests 
6) 
Press APPLIED PART (SOFT KEY 4) at any time to select the desired applied part 
leakage current: 
7) 
Modify the configuration of the front panel outlet by pressing the appropriate SOFT 
KEY on the 601PRO: 
8)  Press the print data key at any time to generate a printout of the latest measurement. 
 
Figure 4    patient Auxiliary Current