GE Corometrics 250cx Series, Service Manual, Page: 169 / 252

Revision C 250cx Series Maternal/Fetal Monitor 5-29
2036947-001
Troubleshooting: FAQs
How do I enable/disable Smart BP? 1. Enter Install Options Screen 1. (Refer to,
“How do I access the service setup
/ install options screens?”
on page 5-27).
2. In Install Options Screen 1, rotate the Trim Knob to highlight the Smart BP: setting.
3. The current setting is ON (enabled) or Off (disabled).
4. Once the Smart BP: 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 volume setting. Select a value.
6. Once you set the desired value, press the Trim Knob again to save the value. The
current value setting stops blinking.
7. To exit the Service mode, follow the instructions at the top of Page 16.
How do I change the interval time for taking
Non-Invasive Blood Pressures? 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. Now rotate the Trim Knob to highlight the Mode: setting which is below the NIBP
Setup title. The current setting is one of the following: Manual, Auto 1 min, Auto 2
min, Auto 3 min, Auto 4 min, Auto 5 min, Auto 10 min, Auto 20 min, Auto 30 min,
Auto 40 min, Auto 45 min, Auto 60 min, Auto 90 min, or Auto 120 min.
4. Once the Mode: 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 from one of
the following: Manual, Auto 1 min, Auto 2 min, Auto 3 min, Auto 4 min, Auto 5 min,
Auto 10 min, Auto 20 min, Auto 30 min, Auto 40 min, Auto 45 min, Auto 60 min, Auto
90 min, or Auto 120 min.
6. Once you set the desired alarm value, press the Trim Knob to confirm your selection.
The current value setting stops blinking.
7. To exit the Service mode, follow the instructions at the top of Page 16.
How do I change the display time-out
duration for Non-Invasive Blood
Pressures? 1. Navigate to Install Options Screen 2.
2. Now rotate the Trim Knob to highlight the NIBP Display: setting. The current setting
is one of the following: On (do not blank last NIBP taken), 1 min Blank (blank last
NIBP taken after 1 minute), 2 min Blank, 3 min Blank, 5 min Blank, 10 min Blank, 15
min Blank, 30 min Blank.
3. Once the Display: setting is highlighted, press the Trim Knob again. The current
setting displays in blinking inverse video.
4. Now rotate the Trim Knob to change the current setting. Select one of the following:
On, 1 min Blank, 2 min Blank, 3 min Blank, 5 min Blank, 10 min Blank, 15 min Blank,
30 min Blank.
5. Once you set the desired NIBP Display: value, press the Trim Knob again to save the
value. The current value setting stops blinking.
6. To exit the Service mode, follow the instructions at the top of Page 16.
How do I activate and terminate Heart Rate
Offset? Now in Install Options Screen 2 1. Press and hold the Mark [Offset] button (over the recorder) on the front panel of the
250cx Series Monitor for 2 seconds. You will hear a short, two-tone audio beep from
the monitor when offset is activated.
2. To end the HR offset period, press and hold the Mark [Offse
t]
button (over the
recorder) again for 2 seconds. You will hear a short, two-tone audio beep from the
monitor when HR Offset is Off.
How do I know when the monitor detects
Heart Beat Coincidence? Heart Beat Coincidence (HBC) indicates that two HR channels may be monitoring the
same signal by placing both heart rates in inverse video on the front panel display, AND
by placing a symbol of two overlapping hearts on the trend recorder.
Question Answer