GE M
EDICAL
S
YSTEMS
D
IRECTION
2392751-100, R
EVISION
3
V
IVID
™ 4 S
ERVICE
M
ANUAL
7-72
Section 7-4 - Performing Back End Diagnostics on the System
7-4-3
ECG/Phono Diagnostic Test
The ECG and Phono tests enable you to check the output of the ECG and Phono options.
7-4-3-1
ECG Diagnostic Test
1) Connect the internal ECG input to yourself or to an appropriate ECG simulator, using the cable set
and electrode pads.
Note:
The external ECG can also be tested when the electrodes are connected to yourself or to
an appropriate ECG simulator. In this case, select the
External ECG
radio button in the
TestECGDevice
dialog box.
2) Access the
HW Diagnostics
menu, as described in the
Accessing the Back End Diagnostic Options
3) Trackball to the
ECG / Phono
button and press
Select
. The
TestECGDevice
dialog box is
displayed, as shown below:
Figure 7-47 Test ECG Device Dialog Box
4) In the
Select trace
area, trackball to the
Internal ECG
radio button and press
Select
.
5) Trackball to the
Open Device
button and press
Select
. The ECG signal is displayed in the
Data
area. Verify that a single, clear QRS signal is displayed.
6) When you are finished, trackball to the
EXIT
button and press
Select
.
