Revision C 250cx Series Maternal/Fetal Monitor 4-19
2036947-001
Maintenance: Front Panel Button Test
Front Panel Button Test
This procedure ensures the functionality of the front panel buttons.
1. Apply power to the 250cx Series Monitor.
2. Disconnect all transducers from the front panel.
3. Depress the monitor’s Record button and verify the following:
The yellow indicator next to the button illuminates continuously.
The recorder paper should advance at a rate of 1 cm/min.
The recorder prints the correct time and date information on the strip chart
paper. (If an incorrect time or date is listed, refer to “Setup” on page 3-9 in
this manual.)
The recorder prints the messages CARDIO INOP and UA INOP, indicating that
no ultrasound, ECG, or uterine activity transducers are plugged into the
front panel US, US2, FECG/MECG, or UA connectors.
The recorder prints the message 1 cm/min, indicating the selected chart
speed.
4. Depress and hold the monitor’s front panel Paper Advance button and verify
that the recorder paper advances at a rate of 40 cm/min by measuring.
5. Release the Paper Advance button and verify that the recorder prints the
message 1 cm/min by measuring.
6. Access the
Install Options Screen 1 again,
and follow Steps 3 - 6, performing the
same tests on the other two options:
2 cm/min
and
3 cm/min.
7. Depress the monitor’s front panel Mark [Offset] button and verify that an event
mark ( ) is printed on the lowest portion of the HR scale on the recorder
paper.
Connecting the Simulator
This part of the procedure prepares the simulator for use.
NOTE: You must use a Model 325 Simulator and 1442AAO cable “Y” adapter for
the functional checkout procedure. (305 simulators do not work with the
250cx Series.)
1. Ensure the Model 325
Power
switch is in the
off
position.
2. Connect the Model 325 Simulator’s power cord to the power connector on the
rear panel of the simulator; plug the other end of the power cord into a properly
grounded wall outlet of appropriate voltage.
3. Ensure the 250cx Series Monitor Power switch is in the off position.
4. Connect the simulator interconnect cable’s 50-pin end to the simulator’s Fetal
Monitor connector.
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