Service manual

Rad-8 Signal Extraction Pulse Oximeter Service Manual
4-1
4 Performance Verification
CAUTION: Follow local governing guidelines for proper disposal of the
internal battery. Do not incinerate.
CAUTION: Do not over-tighten screws. Tighten the screws throughout
the Rad-8 Pulse Oximeter to 80 in.- oz.
Note: It will be necessary to perform safety testing after replacement.
Note: Under normal operation, no internal adjustment or recalibration is
required.
4.1 Overview
4.1.1 To test the performance of the Rad-8 Pulse Oximeter following
repairs or during routine maintenance, follow the procedure
outlined in this section. If the Rad-8 Pulse Oximeter fails any of
the described tests, discontinue its use and correct the problem
before returning the unit back to the user.
4.2 Power-On Self-Test
4.2.1 Plug the Rad-8 Pulse Oximeter into an AC power source with no
cables or sensors attached, turn the monitor on with the “Power
Button”. For about 2 seconds all available LEDs are illuminated
and a brief beep tone sounds. The unit will then cycle through
Saturation and Pulse alarm limits on the LED display.
4.2.2 After this initialization “boot” cycle, the No Sensor, Alarm
Suspend Mode LED indicator’s will light. Also, the %SpO2 and
BPM monitoring display will indicate “no” “sen”. The Rad-8
Pulse Oximeter is ready to begin normal operation.
4.2.3 Turn power off and then back on as many times as necessary to
verify this Power-On cycle.
4.3 Key Press Button Test
4.3.1 With the exception of the Power Button, press each soft key
button and verify that the Rad-8 Pulse Oximeter acknowledges