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Once the cover and any old batteries are removed, install two standard alkaline (or
lithium for longer life) 9-volt batteries in their holders by lining up the holder clips to the
battery contacts. Place the battery tilted in the holder with the edge toward the center of
the unit, elevated as shown in Figure 5.
Now push down on the battery and it will expand the clips and snap into position. If you
have lined up the battery terminals the battery will now slide forward and back with the
terminals aligned. Press the batteries toward the back of the unit until they snap into
position as shown in Figure 6.
When new batteries are in place, replace the cover.
Figure 5 Battery position in holder
Figure 6 Slide battery into terminals
