GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 10 - Care & Maintenance 10 - 19
10-7-8 Isolated Patient Lead (Sink) Leakage-Isolation Test
Reference the procedure in the IEC 60601-1. When using the Dale 600, switch the meter’s function 
selector to the LEAD-ISO. Select the ALL position on the lead selector. Depress the rocker switch to 
ISO TEST to test lead isolation.
NOTE: It is not necessary to test each lead individually or power condition combinations as required in 
previous tests.
CAUTION
Line voltage is applied to the ECG leads during this test. To avoid possible electric shock 
hazard, the system being tested must not be touched by patients, users or anyone while the ISO 
TEST switch is depressed.