User's Manual
SpO2 (91343 only)
071-0774-00 Rev. A 3-9
SpO
2
INSUFFICIENT SIGNAL
Displayed when:
• Insufficient signal for proper operation.
• Poor sensor application or site. Correctly re-apply or reposition to a more
perfused site, massage the site, or apply a new sensor.
SpO
2
NOISY SIGNAL
Displayed when:
• The sensor signal is disturbed by motion or other interference. Eliminate
sensor movement. The message disappears when a value is obtained.
• The sensor is placed adjacent to power cords or other electrically noisy
devices. Move the noisy device or move the sensor to another site.
SpO
2
SENSOR OFF PATIENT
Displayed when:
• The transmitter is unable to detect a valid sensor input signal. Check the
patient for proper sensor placement.This alarm is only available when the
SpO
2
sensor is a reusable, finger-clip type.
• Tissue between the LED and photodiode is too transmissive. If sensor
placement seems correct and the message persists, try a sensor site with a
thicker tissue bed.
!
• This message is not available with disposable SpO
2
sensors or
non-clip type sensors.
!
• Adapter cables and sensors are ordered separately through the
Spacelabs Medical Supplies Products Catalog.