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       Ask the patient to orient and locate the antenna over the position of the sensor.
                       Ask the patient to press the antenna firmly into their back as much as is still comfortable.
                       Ask the patient to remove all metallic objects.
                       Have the patient shift into different positions.
                    D. Angulation
                    The signal strength is strongest when the antenna and sensor are parallel. Try these steps to change the angulation:
                       Ask the patient to orient and locate the antenna over the position of the sensor.
                       Adjust the search scrollbar until the mean pressure reads near the expected value.
                       Ask the patient to press the antenna firmly into their back as much as is still comfortable.
                    E. Solutions for Interference
                    To reduce interference:
                       Reduce the amount of metal in the vicinity of the sensor
                       Reduce the number of electrical equipment and cables in the area
                       Avoid the use of power strips and poorly grounded outlets when possible
                       Move the C-arm away from the interrogation site
                       Uncross guidewire
                       Move or angle the antenna away from implantable devices
                       Route ECG leads away from the area which the antenna will be located during a reading
                    Troubleshooting the Patient Electronics System

                    Table 1.  Troubleshooting
                    Problem        Symptom                     Solution
                    Cannot get a signal   Green bar never goes high   Check for any noticeable damage to the unit.
                                   Voice continues to indicate low signal   Make sure there is no metal near the pillow.
                                   Not able to complete a reading   Make sure there is no electric blanket near the pillow.
                                   successfully                Reposition yourself on the pillow.
                                                               Contact your clinic.
                    Reading completes   Error message says to check   Check the USB cellular adapter, phone line or Wi-Fi adapter.
                    but cannot send   connections              Make sure the phone line is working or you are getting adequate
                    data to your doctor   Error message says reading cannot be  signal strength on your wireless connection.
                                   sent                        Make sure the phone line is not busy. Make sure your Wi-Fi network
                                                               name and password are correct.
                                                               Make sure the electronics unit is calling the correct number.
                                                               Contact your clinic.
                    Touchscreen does   Buttons are not activated by repeated   Turn off the system by holding in the power button on the back of
                    not respond    presses                     the electronics unit for greater than 5 seconds. Turn on the system
                                                               and retry to use the touchscreen. If the problem is not resolved,
                                                               contact your clinic.
                    Takes a long time to  Takes a long time (>30 seconds) to get  Reposition yourself on the pillow until the green bar shows a higher
                    get a reading   a good signal              signal strength.
                                   Unit loses signal during reading and   Make sure there are no electronics or metal in the vicinity of the
                                   must re-start               measurement that may cause interference.
                                                               Use the orientation ball to find the correct position.
                                                               Contact your clinic.
                    Reading completes   Error message says to repeat reading   Remove any cords or metallic objects near the pillow or the pillow
                    but is rejected by   and reposition pillow away from any   cable.
                    system         cords or metal objects      Make sure there is no metal near the pillow.
                                                               Make sure there is no electric blanket near the pillow.
                                                               If you have a waterbed, take the measurements in another room.
                                                               Contact your clinic.
                    Numeric error   Error message with a number appears  Note the error.
                    message        on the screen               Click the OK button to acknowledge the error, wait for the error to
                                                               transmit, and let the electronics unit shut down.
                                                               Contact your clinic. You will not be able to take your reading.
                                   Error #0                    There is a problem with the connections in the system such that
                                                               important information cannot be sent.
                                   Error #1                    The electronics system recorded an obviously incorrect value for the
                                                               atmospheric pressure.

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