Novametrix Medical Systems MARS PO2 TECH 2001 Service Manual page 34

Section 6
Accuracy Test
4. Set
ATTEN
5. Press and hold the RED button on the TB500B, verify "
Release the button and check that the error is reset.
6. Press and hold the INFRARED button in the TB500B, verify "
Release the button and check that the error is reset.
7. Set the Saturation to 0 and verify "LOW SIGNAL STRENGTH" is displayed.
8. Disconnect the TB500B from the unit, verify a "
appears.
9. Verify the ALERT BAR and
10. Press ALERT RESET key. Verify ALERT BAR ceases flashing, but the
flashing and that the audio is disabled.
11. Connect a finger sensor. Verify a "
12. Place the sensor on your finger and verify a reasonable SPO
13. Press EVENT button and verify the event is marked with the correct time. Press the RUN soft
key.
14. Disconnect the finger sensor from the unit, verify an alert condition and "
SENSOR
15. Press and hold AUDIO button, verify the audio alert is disabled.
16. Press and hold the contrast key. Verify that the contrast is fully adjustable.
17. Set the mains switch from "|" to "O", verify the green LED on the front panel goes out and that
the unit continues to function on battery power without interruption. Power the unit down by
pressing the POWER button and unplug the unit from the AC outlet.
18. Simultaneously press the left most soft key and the POWER button, when "
Checksum
Novametrix Inc. Production Test
"
19. Press the TEST soft key, "
the test. Follow the prompts in each test and verify every test passes up to and including the
RS232 test.
NOTE: 8 bit ADC will fail because the front end bypass capacitor needs to be shorted for it to
pass.
20. The test is complete, turn off the monitor by pressing the POWER button and remove the
RS232 test fixture.
28
Model 2001 Service Manual
SIG ATTEN
to 1, verify "
to 3, verify the error clears.
" message displayed.
" appears on the display press and hold the third soft key from the right until
Automatic Test
SENSOR OFF PATIENT
CONNECT SPO2 SENSOR
LED are flashing and an audio alert sounds.
SENSOR OFF PATIENT
" appears.
" will appear. Press the Test soft key again to initiate
" appears on the display. Set
FAULTY SENSOR
" is displayed.
FAULTY SENSOR
" is displayed.
LED continues
" message is displayed.
and pulse rate reading.
2
CONNECT SPO2
Calculating
Procedure
SIG
" message
Rev. 01