GE Corometrics 250cx Series Service Manual page 160

Question
How do I change the scale of the MSpO
Maternal Blood Oxygen Saturation, trend
recorder tracing?
How do I change the alarm limits for
MSpO , Maternal Blood Oxygen
2
Saturation?
5-20
Troubleshooting: FAQs
, 1. Rotate the Trim Knob to highlight the Setup softkey at the bottom of the screen.
2
2. Once Setup is highlighted press the Trim Knob. Press the Trim Knob.
3. In the General Setup screen, rotate the Trim Knob to move the highlight to the
Service softkey at the bottom of the screen. Press the Trim Knob.
4. The Service Lock screen appears. In the center of the screen are four single-digit
fields below the field, Enter Access Code. These fields are used to enter the code to
access restricted service settings in the 250cx Series Monitors. The access code is
the current date setting in the form of 'M M D D' or 'D D M M', where M M is the
current month (01 to 12), and D D is the current date (01 through 31), however your
monitor is configured.
NOTE: The access code should reflect the monitor's date setting. If the monitor date
is not correctly set, the access code for the actual calendar date will not work.
5. Rotate the Trim Knob to highlight each of the access code fields; press the Trim
Knob, and rotate the Trim Knob to input the individual numbers that form the access
code. When the last digit is entered and the Trim Knob pressed, the monitor then
tests the access code. If valid, the screen changes to Install Options Screen 1. If
invalid, the Trim Knob press does nothing.
6. Now rotate the Trim Knob to highlight the SpO
0-100%.) This setting affects Maternal SpO
7. Once the SpO Scale: setting is highlighted, press the Trim Knob again. The current
2
setting displays in blinking inverse video.
8. Now rotate the Trim Knob to change the current setting. Select a setting of 0-100%
or Auto.
9. Once you set the desired trace setting, press the Trim Knob again to confirm. The
current setting stops blinking.
10. To exit the Service mode, follow the instructions at the top of Page 16.
1. Rotate the Trim Knob to highlight the field for MSpO
center, on the right side of the display.)
2. Once the MSpO field is highlighted, press the Trim Knob. The display changes to
2
show the MSpO Setup screen.
2
3. Now rotate the Trim Knob to highlight the current High: saturation percentage (%)
alarm limit setting.
4. Once the High: saturation percentage (%) 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 from 100 to 85%.
6. Repeat Steps 3 through 6 for the High: saturation percentage (%) alarm limit setting.
Select a value between 99% and 80%.
You may optionally change the MHR/P (Maternal Heart Rate/Pulse) High: select a
value between 100 bpm and 250 bpm. (The MHR/P alarm settings are also
available through the Pulse field, or the NIBP field on the main monitoring
screen.)
You may optionally change the MHR/P Low: select a value between 35 bpm and
120 bpm. (The MHR/P alarm settings are also available via the Pulse field, or the
NIBP field on the main monitoring screen.)
7. Once the desired source parameter is set, press the Trim Knob to confirm your
selection. The current value setting stops blinking.
8. To exit the Service mode, follow the instructions at the top of Page 16.
250cx Series Maternal/Fetal Monitor
2036947-001
Answer
Scale: setting. (It should read Auto or
2
trend tracing.
2
. (This field is slightly above
2
Revision C