GE M
EDICAL
S
YSTEMS
D
IRECTION
2300164-100, R
EVISION
7
V
IVID
™ 3 P
RO
/V
IVID
™ 3 S
ERVICE
M
ANUAL
7-72
Section 7-4 - Performing Back End Diagnostics on the System
7-4-3-2
Phono Test
1) Connect the media microphone to the microphone input on the ECG board.
2) Access the
HW Diagnostics
menu, as described in the
Accessing the Back End Diagnostic Options
section, on page 7-68.
3) Trackball to the
ECG / Phono
button and press
Select
. The
TestECGDevice
dialog box is
displayed, as shown in
Figure 7-47
on page 7-71.
4) In the
Select trace
area, trackball to the
Phono
radio button and press
Select
.
5) Trackball to the
Open Device
button and press
Select
.
6) Use your finger to click the microphone. The Phono signal is displayed in the data area. Verify that
the waveform on the screen corresponds to the microphone clicks.
7) When you are finished, trackball to the
EXIT
button and press
Select
.
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