Sony ZS-X7 Primary User Manual - Page 22

Setting Up Preparing the power sources You can use the AC power, batteries or the car battery as a power source. 13Battery compartment Tip When you operate the player on batteries, replace the back-up batteries when the time display dims or when you cannot operate the timer. Replace all the batteries with new ones. With normal use, the batteries should last for about 6 months. To save the memory data, replace the batteries with the AC power adaptor connected. 24DC IN 10.6 - 12 V 1 Inserting the back-up batteries Insert three size AA (R6) batteries (not supplied) into the battery compartment. These batteries work to save the memory data. Replacing batteries Take out the batteries as illustrated. 22 Setting Up