5-18 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Troubleshooting: FAQs
How do I change the alarm limits for Non-
Invasive Blood Pressure?
1. Rotate the Trim Knob to highlight the field for NIBP. (This field is slightly above
center, on the left side of the display.
2. Once the NIBP field is highlighted, press the Trim Knob. The display changes to
show the NIBP Setup screen.
3. Rotate the Trim Knob to highlight the Systolic High alarm limit setting.
4. Once the Systolic High alarms limit setting is highlighted, press the Trim Knob again.
The current setting displays in blinking inverse video.
5. Now rotate the Trim Knob to change the current setting. Select a value between 70
mmHg and 240 mmHg (9.3 kPa and 32.0 kPa).
6. Once you set the desired alarm value, press the Trim Knob to confirm your selection.
The current value setting stops blinking.
7. Repeat 3 through 6 for the
Systolic Low: select a value between 50 mmHg and 150 mmHg (6.7 kPa and
20.0 kPa).
Diastolic High: select a value between 70 mmHg and 130 mmHg (9.3 kPa and
32.0 kPa).
Diastolic Low: select a value between 30 mmHg and 120 mmHg (4.0 kPa and
16.0 kPa).
MAP (Mean Arterial Pressure) High: select a value between 70 mmHg and 150
mmHg (9.3 kPa and 20.0 kPa).
MAP Low: select a value between 30 mmHg and 120 mmHg (4.0 kPa and
16.0 kPa).
You may optionally change the MHR/P (Maternal Heart Rate/Pulse)
High: select a value between 100 bpm and 250 bpm.
NOTE: The MHR/P alarm settings are also available through the Pulse softkey or
the MSpO
2
softkey on the main monitoring screen.
You may optionally change the MHR/P
Low: select a value between 35 bpm and 120 bpm.
NOTE: The MHR/P alarm settings are also available via the Pulse softkey, or the
MSpO
2
softkey, on the main monitoring screen.
8. To exit the Service mode, follow the instructions at the top of Page 16.
How do I change the alarm limits for
MHR/P, Maternal Heart Rate Pulse?
1. Rotate the Trim Knob to highlight the field for MHR/P. (This field is located
approximately in the center of the display and may indicate MECG, Pulse or INOP,
depending on the settings that are currently enabled.)
2. Once the MHR/P field is highlighted, press the Trim Knob. The display changes to
the MHR/P Setup screen.
3. Now rotate the Trim Knob to highlight the MHR High alarm limit setting.
4. Once the MHR High alarm limit setting is highlighted, press the Trim Knob again. The
current setting displays in blinking inverse video.
5. Now rotate the Trim Knob to change the current setting. Select a value between 100
bpm and 250 bpm.
6. Once you set the desired alarm value, press the Trim Knob to confirm your selection.
The current value setting tops blinking.
7. Repeat Steps 3 through 6 for the MHR Low alarm limit setting. Select a value
between 35 bpm and 120 bpm.
8. To exit the Service mode, follow the instructions at the top of Page 16.
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