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BATTERY REPLACEMENT
Note that the main battery and the back-up battery should be replaced separately. If you remove both batteries
from the unit at the same time, all data stored in memory will be erased. Whenever you remove both batteries
from the unit, be sure to re-install the main battery first.
Important!
•
Make sure that the positive (+) side of the batteries is always facing up (so you can see it) when you install
batteries into the unit.
•
Replace the back-up battery at least once every two years.
To replace the main battery
1. Loosen the screw that holds the battery compartment cover of the unit in place and remove the battery
compartment cover.
2. Loosen the screw that secures the main battery holder in place and remove the battery holder.
3. Insert a thin, pointed non-metallic object into (A) and remove the old battery.
4. Wipe off the surfaces of a new battery with a dry, soft cloth and insert it into the unit making sure that its
positive (+) side is facing up (so you can see it).
5. Replace the battery holder and secure it in place with its screw.
6. Replace the battery compartment cover and secure it in place with its screw.
To replace the back-up battery
1. Loosen the screw that holds the battery compartment cover of the unit in place and remove the battery
compartment cover.
2. Remove the back-up battery sticker.
3. Loosen the screw that secures the back-up battery holder in place and remove the battery holder.
4. Insert a thin, pointed non-metallic object into (B) and remove the old battery.
5. Wipe off the surfaces of a new battery with a dry, soft cloth and insert it into the unit making sure that its
positive (+) side is facing up (so you can see it).
6. Replace the back-up battery holder and secure it in place with its screw.
7. Do not forget to replace the sticker.
8. Replace the battery compartment cover and secure it in place with its screw.
RESET
Main battery
Back-up battery
(A)
(B)