If a system message indicates a calibration failure, you will be unable to use the
transducer until you perform the following procedure.
1. Ensure that the transducer shaft and tip are straight (the neutral position
indicators must be aligned with the array rotation buttons).
2. Turn the locking lever on the transducer connector counterclockwise and
pull the connector out of the receptacle.
3. Reseat the connector in the receptacle and turn the locking lever clockwise.
4. Select the transducer and preset.
5. If you still see the calibration-failure message, contact your Philips service
representative.
Checking the TEE Transducer
Before each TEE exam, carefully inspect the transducer and try the controls, as
described in the subordinate topics.
TEE Transducer Inspection
Carefully inspect the entire surface of the distal tip and flexible shaft for
protrusions, holes, dents, abrasions, cuts, burrs, or cracks that could be extremely
hazardous to both you and your patient.
Carefully feel the tip and shaft, and inspect the entire transducer. If you suspect
an electrical problem, follow the electrical safety check procedure described in
"Electrical Safety Check for TEE Transducers" in the "Transesophageal
Transducers" section of the User Manual.
Also check for excessive flexibility in the tip, particularly in the medial/lateral
direction. Do not use the transducer if the tip is extremely flexible. If you have
any questions about tip flexibility, contact your Philips service representative.
TEE Transducer Controls Inspection
Use the deflection controls to position the tip in every possible direction, both
to ensure that the controls work properly and to get used to the feel of the TEE
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iU22 User Manual
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Transesophageal Transducers
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