CASIO ZX-806B
Service Manual

To replace the main batteries 1. Switch power off. 2. Loosen the screw of the large battery compartment cover on the back of the unit, and slide the battery compartment cover in the direction noted by the arrow. (Figure 1) 3. Remove the old batteries. 4. Making sure that the positive (+) and negative (-) ends of the batteries are facing correctly, load two new batteries into the compartment. (Figure 2) � Be sure to replace both old batteries with two new ones. 5. Insert the tabs on the bottom of the battery compartment cover into the slots of the battery compartment and carefully close the cover. Secure the cover in place with the screw. (Figure 3)

Figure 1

Figure 2

Figure 3

To replace the back-up battery 1. Switch power off. 2. Loosen the screw of the small battery compartment cover on the back of the unit, and remove the backup battery compartment cover. (Figure 4) 3. Remove the old battery. 4. Wipe off a new battery with a soft cloth.Then, load it into the compartment making sure that positive (+) side is facing up (so you can see it.) (Figure 5) 5. Insert the tabs on the bottom of the battery compartment cover into the slots of the battery compartment and carefully close the cover. Secure the cover in place with the screw. (Figure 6)

Figure 4

Figure 5

Figure 6

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