9-2 Rad-57 Signal Extraction CO-Pulse Oximeter Operator’s Manual
9
Rad-57 Signal Extraction CO-Pulse Oximeter Operator’s Manual 9-3
9
service / maintenance
the device. Remove the batteries and install new batteries in the directions indicated by
the battery icons inside the battery compartment. Replace the battery cover by sliding it
back up from the bottom of the device until the rectangular locking button snaps back into
position.
WARNING: USE ONLY ALKALINE BATTERIES. USE OF NON ALKALINE
BATTERIES MAY AFFECT THE ACCURACY OF THE BATTERY LEVEL METER.
WARNING: USE OF BATTERIES WITH A CELL VOLTAGE OF MORE THAN 1.5V
COULD CAUSE DAMAGE TO THE DEVICE.
Battery charge level is indicated by four LED indicators at the bottom of the front panel.
All four indicators will be lit when the batteries are full, with fewer indicators being lit as the
batteries lose their charge. When less than ten (10) percent battery life remains, the final
battery indicator will begin to flash and an audible alarm will sound.
Performance verification
To test the performance of the Rad-57 Pulse CO-Oximeter following repairs or during
routine maintenance, follow the procedure outlined in this section. If the Rad-57 fails any
of the described tests, discontinue its use and correct the problem before returning the unit
back to the user.
Before performing the following tests verify or install new batteries into the Rad-57
Handheld. Also disconnect any patient cables, pulse oximetry probes or serial cables from
the instrument.
POWER-ON SELF-TEST
1. Turn the monitor on by depressing the Power Button. For about 5 seconds all
available LEDs are illuminated and a brief beep tone sounds.
2. The oximeter begins normal operation.
KEY PRESS BUTTON TEST
1. With the exception of the Power Button, press each button and verify that the
oximeter acknowledges each key-press with an audible beep tone or by indicating a
change on the display.
service / maintenance
ALARM LIMIT TEST
1. With the monitor turned on, select the Menu Access key and enter the Alarm menu.
Change the High Saturation Alarm parameter to a value two points below the
currently selected value, and accept the change.
2. Verify that the newly set parameter is shown on the Saturation Alarm Limit Display,
next to the SpO
2
or pulse rate measurement display.
3. Return the High Saturation Alarm parameter to its original setting.
4. Repeat steps 1 to 3 with the Low Saturation Alarm parameter.
5. Repeat steps 1 to 3 with the High Pulse Rate Alarm parameter.
6. Repeat steps 1 to 3 with the Low Pulse Rate Alarm parameter.
7. Reset the alarm limits again to the original settings.
LED BRIGHTNESS
1. With the monitor turned on, select menu level 3 (see Section 4, Setup Menu Level
3 - LED Brightness and Factory Defaults) and use the Up and Down Arrow keys to
cycle through all 4 brightness levels.
2. Exit the Menu system by pressing the Mode/Enter key or waiting for the normal
time-out.
(78 pages)
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