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Accessory Testing
Chapter 9 Preventive Maintenance, Care and Cleaning 99
6. Holding the transducer in one hand, move a flat-bottomed pencil or similar object
repeatedly towards and then away from each crystal. The distance between the pen
and the transducer surface should be about 2 to 3 cm.
Figure 9-4 Testing the Crystals
7. Check that a noise is heard from the loudspeaker for each crystal.
If the test fails, repeat using another transducer. If it still fails, refer to
Chapter 8, “Troubleshooting Flowcharts.”
Testing Patient
Modules
(M1364A)
Visual Check Ensure there are no cracks in the patient module and that the cable is not cracked or
broken, and there are no cracks on the connector plug.
Electrical Check Connect the patient module to the ECG socket.
1. Ensure that the display shows
nop without DECG adapter cable M1362A or
M1362B.
1
IUP
Visual check Ensure that there are no cracks in the transducer dome, cable or connector plug.
Electrical check 1. Switch on the monitor and the recorder.
2. Connect the transducer to the Toco socket. When you connect the transducer:
psm18sc
1. M1364A: in the presence of strong electrical fields (50-60Hz), nop may disappear even without
additional cabling.