Service manual

Radical Signal Extraction Pulse Oximeter Service Manual
UM10029–0406
4-3
4.4. Sensor Test
4.4.1. Insert a known good Oximeter Tester into the sensor
connector.
4.4.2. Turn power on.
4.4.3. Wait approximately 10 sec for the SpO2 and Pulse Rate
displays to produce a number. During that time, the display
should show “SEN OFF” and then dashes.
4.4.4. Read the SpO2 value from the display, and verify it is within the
specified limits(%SpO2: 78 <= 84; BPM 60 <= 62).
4.5. Alarm Suspend Indicator
4.5.1. Induce an alarm condition.
4.5.2. Press the Alarm Suspend button and cycle through the 2
different indicator levels: yellow LED is Blinking or Off.
4.6. Alarm Volume Test
4.6.1. Press the Mode/Enter button. Monitor displays should show
“AL” and “VOL”.
4.6.2. Press the UP arrow button and cycle through the three
different volume levels. Make sure the tone does not have a
harsh or raspy tone due to the speaker rattling in the plastic
housing. The tone heard should be louder with each press.
Press the DOWN arrow button and cycle through the different
volume levels. The tone heard should be quieter with each
press. Verify both speakers are working.
4.6.3. Return the volume to the factory default level 1.
4.7. Button Volume Test
4.7.1. Press the Mode / Enter button 2 times. LED displays should
show “888” and “888”.
4.7.2. Press the Next arrow key. LED displays should show “but”
and “VOL”.
4.7.3. Press the UP arrow button and cycle through the different
volume levels. Make sure the tone does not have a harsh or
raspy tone due to the speaker rattling in the plastic housing.
The tone heard should be louder with each press. Press the
DOWN arrow button and cycle through the different volume
levels. The tone heard should be quieter with each press.
There are three volume levels and volume off.
4.7.4. Return the volume to the factory default level 2.