14-9
NOTE
z To ensure correct measurement, zero the transducer before it is used to zero the
monitor.
z Position the transducer at the same level with the patient’s heart, approximately
mid-axillary line.
z Perform the pressure zeroing before monitoring, and at intervals during
monitoring (at least once per day). The zeroing should also be conducted once
the transducer cable is disconnected and then connected.
Prompt Information Related to Zeroing
Take channel 1 as an example. The monitor may give the following prompt information after the
pressure transducer zeroing has been finished.
CH1 SUCCESSFUL ZERO
The zeroing procedure is over. The transducer port opening to the atmosphere is to be closed and
the port connecting to the patient opened.
CH1 SENSOR OFF, FAIL
Verify the transducer of channel 1 is connected to the monitor, and then perform zeroing again. If
the monitor continues to give this prompt information, contact our Customer Service.
IN DEMO, FAIL
Make sure the monitor is not in DEMO mode, and perform pressure transducer zeroing again. If
the monitor continues to give this prompt information, contact our Customer Service.
PRESSURE OVER RANGE, FAIL
Verify the 3-way stopcock is open to the atmosphere, and perform the pressure transducer zeroing
again. If the prompt information is still displayed, change with a new transducer and contact our
Customer Service.
PULSATILE PRESSURE, FAIL
Make sure the transducer is not connected to the patient and the stopcock is open to the
atmosphere. Then, perform the pressure transducer zeroing once again. If the prompt is still
displayed, contact our Customer Service.
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