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GE M
S
EDICAL
YSTEMS
D
2392751-100, R
IRECTION
4-3-4
Back End Processor Tests
4-3-4-1
Internal ECG Test
Table 4-13
Step
1
2
4-3-4-2
Phono Test (optional)
Table 4-14
Step
1
2
3
EVISION
Internal ECG Test
Task
Connect the internal ECG input to an ECG simulator or
suitable substitute, using the cable set and electrode
pads.
Perform the ECG diagnostic test, as described in the
ECG/Phono Diagnostic Test
on page 7 - 72.
Phono Test
Task
Connect the microphone to the microphone input on the
ECG Board. Note that the special Medical Microphone is
required.
Perform the Phono diagnostic test, as described in the
ECG/Phono Diagnostic Test
on page 7 - 72
Use your finger to click (tap) the microphone.
Chapter 4 - Functional Checks
V
™ 4 S
IVID
Expected Result(s)
Verify that a single clear QRS signal is displayed.
Expected Result(s)
Verify that the waveform on the screen corresponds to
the microphone clicks.
M
ERVICE
ANUAL
4-7
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