73
160-104694 Rev 01
Version 2.2.0
Possible solutions "ECG no signal":
•
Verify that ECG cables are firmly connected to buttons.
•
Check the display of the synchronization device—is it generating a synchronization
signal on each R-wave? Toggle different lead combinations on the synchronization
device until a satisfactory synchronization signal is found.
•
Relocate ECG buttons on patient and try lead combinations again.
After the 3.5 seconds and BEFORE delivering a test pulse, if the ECG signal is fast, the
button for
Deliver test pulse
will be inactive and the Run section of the screen in Figure 6-3
will display:
"External ECG trigger noisy. Please check the connection."
Figure 6-3: Run Section with ECG Noisy on Pulse Generation Screen Before Test Pulse
Possible Solutions for "ECG Noisy."
•
Check for ECG double counting. Select a different lead on the synchronization
device.
•
Check for a noisy ECG signal. Verify cable connections and buttons are secure.
Noise may come from RF energy devices connected to the patient (e.g.,
electrocautery) or from high-energy devices (x-ray equipment, etc.) on the same
circuit.
If the ECG signal is synchronized DURING delivery of the test pulse, the Run section of the
screen in Figure 6-4 will display:
Figure 6-4: Run Section with ECG Synchronized on Pulse Generation Screen During Test Pulse
"Test in progress."
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