GE Corometrics 126, Service Manual

Page: 160 / 440

5-16 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Setup Procedures: MHR/P Setup Screen
Volume
This field sets the volume of the “beep” sounded with each detected valid
heartbeat—for MECG and MSpO
2
only.
Alarm Limits
These fields adjust the high and low alarm limits for MHR/P— in increments of 5
BPM. The selectable values are shown in
Figure 5-5 . The factory defaults are listed
in Appendix A, “Factory Defaults” .
Audio Alarms
This field enables/disables the audio alarm function for MHR/P.
„
On: Visual and audible indications are provided during an
MHR/P alarm condition.
„ Off: Only a visual indication is provided during an
MHR/P alarm condition.
Alarm Volume
This field controls the alarm volume.
MECG Lead
This field selects the ECG lead configuration. The lead can also be selected from the
MECG Lead Softkey on the normal operating screen Lead I refers to the potential
between the left arm and the right arm. Lead II refers to the potential between the
right arm and left leg.
Lead III refers to the potential between the left arm and the left leg.
Figure 5-6
illustrates which electrodes reference the ECG lead obtained.
NOTE:
AHA label bolded ; IEC label italicized .
Figure 5-6. MECG Lead Selection Guide
WHITE (RA)
RED (R)
BLACK (LA)
YELLOW (L)
BLACK (LA)
YELLOW (L)
I
III
II
–
–
+
++
RED (LL)
GREEN (F)
I
III
II
–
–
–
+
++
Typical Patient Pacemaker Patient
–
WHITE (RA)
RED (R)
RED (LL)
GREEN (F)