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AIR250 LOWER BACK
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OPERATION MANUAL
Do not operate the equipment during battery replacement procedure. “Lo-bA” = Batteries are low, replace immediately.
NOTE: If batteries are dead (depleted), the Power Display remains blank. To replace the batteries, refer to Figure 11 and
follow the instructions below (no tools required).
BATTERY REPLACEMENT
1. Unscrew the Brass Nut on the Processor Box.
Pull and remove the cover.
2. Remove the 2 D batteries by carefully pulling
out the Battery Sleeve (follow manufacturer’s
recommendations for handling, maintaining,
and disposing of batteries).
3. Observe the correct polarity position (see +/-
marking inside the battery compartment),
insert the 2 new D batteries into the battery
sleeve and install.
• The Power Display will enter a brief test
sequence (you will see a series of numbers
flashing).
4. Replace the Processor Box cover and screw
the Brass Nut finger tight.
IMPORTANT:
Once the test sequence ends
(numbers stop flashing), press either the increase
or decrease Thumb Button and allow the machine
to enter sleep mode (“OFF”) to resume normal
operation.
Do not dispose of batteries in a fire. The
batteries may explode.
Do not open or mutilate batteries. They
contain an electrolyte which is toxic and
harmful to the skin and eyes.
Replace batteries with the same number
and type of batteries as originally installed
in the equipment.
Recycle batteries in accordance with local
recycling procedures.
CAUTION
Figure 11. Battery Replacement
Brass
Nut
Processor
Box Cover
Batteries
and Sleeve
