9-2 Rad-57 Signal Extraction Pulse CO-Oximeter Operator’s Manual
9
service / maintenance
BATTERY REPLACEMENT
The Rad-57 is powered by 4 “AA” alkaline batteries. Do not use any other type of batteries
or power source to run the device. The battery compartment is accessed from the back of
the device. To replace the batteries first remove the battery cover by depressing the small
rectangular button at the bottom of the cover, and sliding the cover down off the bottom of
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: FAILURE TO REPLACE BATTERIES PROMPTLY AFTER A LOW
BATTERY ALARM MAY RESULT IN THE CO-OXIMETER SHUTTING DOWN AND
LEAVING THE PATIENT IN AN UNMONITORED CONDITION.
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 RAD-57.
WARNING: EFFECTIVE BATTERY LIFE WILL BE REDUCED WHEN OPERATING
THE DEVICE BELOW 5ºF (-15º
C) DUE TO ALKALINE BATTERY TECHNOLOGY
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.
Be sure to follow local regulations in regards to battery disposal.
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