The battery should be replaced approximately every 2 years. This isaccomplished as follows:• Unscrew the two screws that hold the battery access cover in place. Itis located on the upper portion of the dividing network, on the rear ofthe speaker enclosure (Figure 1).• Write today’s date, including the year, in this manual.• Install the battery by aligning the battery terminals with the matingterminals in the network housing. Align male to female, female tomale terminals, then snap the connectors together, assuring a tightconnection.• Replace the battery access cover and install screws.Battery Replacement RecordDate Installed: No.7Battery ReplacementBATTERYBI-AMPHigh FrequencyLow FrequencyJBL INCORPORATED8500 Balboa Blvd., Northridge, CA USANORMAL/BI-WIREFigure 1 Battery Installation4344 MK 11 Manual 7/21/98 3:18 PM Page 6