Teledyne MX300-I Manuel D’Utilisation

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Portable Oxygen Monitor  
Operation 
 
 
 Teledyne 
Analytical 
Instruments 
19 
2.1.3 Battery Installation 
Note:  Three “AA” alkaline batteries must be installed in the unit 
before the monitor will operate. The unit must be 
recalibrated whenever new batteries are installed and 
the HI and LOW alarm set points must be reset to the 
desired values 
To install the batteries: 
1.  Turn the unit off (if it is on). 
2.  Hold the instrument face down in the palm of your hand. Use 
a coin to pry up the latch that secures the battery 
compartment door. Remove the battery compartment door.  
CAUTION: 
IMPROPER INSTALLATION OF THE BATTERIES 
MAY RESULT IN DAMAGE TO THE UNIT AND 
BATTERIES.  
 
Note:  Use alkaline batteries only. Other battery types will 
produce erroneous battery test readings.    
3.  Install 3 “AA” alkaline batteries into the holder as shown in 
Figure 2-6. Each battery has its own slot. To insure proper 
polarity, place the bottom (flat) or negative end of the battery 
in the end of the holder marked “–”. Place the top (button) or 
positive end of the battery in the end of the holder marked 
“+”.  Do this for each battery. 
Figure 2-6: Installing Batteries