GE MAC 2000 Service Manual page 53

3. Perform the 50mm/s Speed Test.
a.
b.
c.
d.
4. Repeat the previous step for the other speed tests. The pass-fail criteria for each
of the remaining tests are as follows:
• 25mm/s Speed Test
• 12.5mm/s Speed Test
2053535-003C
Select 50mm/s Speed Test.
The writer prints the 50 mm/s speed test report.
When one page of the report has printed, press Stop.
The following window opens.
Examine the printed report.
Use the following criteria to determine if the writer passed or failed the
50mm/s speed test.
• If one cycle of the square wave spans 50 mm on paper, measured from
corner to corner of the wave, with an allowable tolerance of 1.0 mm,
the test passes.
• If this criteria is not met, the test fails.
If the test passed, press Yes.
If the test failed, press No.
If one cycle of the square wave spans 25 mm on paper, measured from
corner to corner of the wave, with an allowable tolerance of 0.5 mm (2%),
the test passes.
If this criteria is not met, the test fails.
Measure five or more cycles and divide your measurement by the number
of cycles measured.
MAC™ 2000 ECG Analysis System
Service Setup
53