1. Power on the PCS2 into the Utilities mode of operation by pressing
and holding the PLASMA key during power up until the Utilities
menu appears. The PCS2 must be powered on a minimum of 15
minutes before proceeding with this test.
2. Use the MODIFY PROGRAM key to select Diagnostics, then press
the DRAW key to execute Diagnostics.
3. Use the MODIFY PROGRAM key to select the Transducers test, then
press the DRAW key to execute the test.
4. Inspect the line sensor tubing channel for contamination and clean
before measuring voltage.
5. Remove the black access plug located on the front panel of the line
sensor.
6. Use a trim pot adjusting tool to set the line sensor signal to between
2866 - 3276.
7. Slide a black non-reflective surface into the line sensor tubing slot.
(Dull paper with dull black marker on both sides works well for this.)
Verify that the line sensor signal drops to between 0 and 103.
8. Adjust as necessary to satisfy both ranges.
9. Replace the black access plug in the line sensor.
10. Exit the transducers test by pressing the MODIFY PROGRAM key,
then exit Utilities by pressing the STOP key twice.
Cuff
1. Power on the PCS2 into the Utilities mode of operation by pressing
and holding the PLASMA key during power up until the Utilities
menu appears.
2. Select Calibration using the MODIFY PROGRAM and DRAW keys.
Toggle the write protect switch on the Processor Card when
instructed. (Remove rear access panel.)
3. Select A/D Calibration by pressing the DRAW key.
4. Ensure nothing is plugged into the cuff connector on the rear access
panel.
5. Press the DRAW key to store the cuff Offset value.
6. Prepare a cuff adapter by disconnecting the two sections of cuff
tubing. Plug a sphygmomanometer into the section which connects to
the cuff connector.
7. Plug the cuff adapter into the cuff connector on the rear access panel.
8. Start the cuff compressor by pressing the CUFF key.
9. Use the YES and NO keys to adjust the cuff output pressure to 100
mmHg and reads on the sphygmomanometer.
10. Press the RETURN key to store the cuff Full Scale value.
11. Stop the cuff compressor by pressing the CUFF key.
12.Remove the sphygmomanometer from the cuff tubing and reassemble
the cuff.
4-6
PCS2 Service Manual
A/D
Line Sensor
Signal