Revision C 250cx Series Maternal/Fetal Monitor D-7
2036946-001
Frequently Asked Questions:
How do I change the Maternal ECG lead
waveform being displayed?
Option 1
1. Rotate the Trim Knob to highlight the legend for MHR/P. (This legend is in the
approximate center of the display and reads MECG, Pulse or INOP, according to the
settings that are currently enabled.)
2. Once the MECG legend is highlighted, press the Trim Knob. The display changes to
show the MHR/P Setup screen.
3. Now rotate the Trim Knob to highlight the Source: setting. (It will read Auto, MSpO
2
,
MECG or NIBP.)
4. If the Source: setting is not MECG, press the Trim Knob again. The current setting
displays in blinking inverse video.
5. Now rotate the Trim Knob to change the current setting to MECG.
6. Once you set the desired source parameter, press the Trim Knob again to save the
value. The current value setting stops blinking.
7. Now rotate the Trim Knob to select (highlight) the MECG Lead: setting. This setting is
slightly above vertical center towards the right side of the screen and indicates Lead
I, II or III.
8. Now press the Trim Knob again. The current setting displays in blinking inverse
video.
9. Now rotate the Trim Knob to change the current setting to the desired lead selection.
10. Once you set the desired source parameter, press the Trim Knob to confirm your
selection. The current value setting stops blinking.
11. Now rotate the Trim Knob to select (highlight) the Exit item on the bottom menu.
12. Press the Trim Knob again to return to the main monitoring display screen.
Option 2
1. If the MHR/P Source setting is set to Auto, and MECG is currently enabled (plugged
in) OR MHR/P Source is set to MECG, then, from the main monitor screen, rotate the
Trim Knob to highlight the selected Lead setting for MECG. (This setting is slightly
below vertical center, on the right hand side of the display. It will indicate I, II or III.)
2. Once the MECG Lead setting legend is highlighted, press the Trim Knob. The
current setting displays in blinking inverse video.
3. Now rotate the Trim Knob to change the current setting to MECG Lead setting I, II or
III.
4. Once you set the desired source parameter, press the Trim Knob to confirm your
selection. The current value setting stops blinking and the waveform should reflect
the selected lead.
How do I change the waveform vertical
scale on the display?
1. To change the waveform scale, the current selected waveform must be MECG or
FECG. The waveform scale cannot be altered when you view MSpO
2
plethsysmograph waveforms which auto-scale.
2. Rotate the Trim Knob to highlight the scale factor setting for the waveform display.
(This setting is slightly below vertical center, on the right hand side of the display,
below the horizontal speed indication of 25 mm/s. The vertical scale indicates one of
the following: Auto, 0.25x, 0.5x, 1x, 2x, or 4x.
3. Once the MECG scale setting is highlighted, press the Trim Knob. The current
setting displays in blinking inverse video.
4. Now rotate the Trim Knob to change the current setting to Auto, 0.25x, 0.5x, 1x, 2x,
or 4x.
5. Once you set the desired scale, press the Trim Knob to confirm your selection. The
current value setting stops blinking, and the waveform should reflect the selected
lead.
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