The users guide was excellent. It provided the information neeeded to connect and control the Crate system. Nothing was left to chance
Text excerpt from page 26 (click to view)
3. Slide the battery switch to the �REPLACE 1� setting. Insert a thin, pointed object into (A) and remove the old battery.
(A)
Caution Be sure to remove only one battery at a time. Otherwise, you will lose all data stored in memory. 4. Replace the old battery with a new one, making sure that the positive (+) side of the new battery is facing up (so you can see it). 5. Slide the battery switch to the �REPLACE 2� setting and repeat step 4 for the other battery. � Be sure to load two new CR2032 batteries at the same time . Never mix an old battery with a new one. 6. Slide the battery switch to the �LOCK� setting. 7. Replace the battery compartment cover.
Battery Precautions
� Keep + side of each battery facing up (so you can see it). � Keep batteries out of the reach of small children. If swallowed, consult with a physician immediately. The batteries that come with this unit discharge slightly during shipment and storage. Because of this, they may require replacement sooner than the normal expected battery life.