Version 1.0 - 7 -3.5 Low Battery warning and battery changeThe RFID lock uses 4 pieces of 1.5V AA alkaline batteries (6V).(1) When battery reaches to low voltage ;ཛ Beep sounds five times.ཛྷ Red LED lightsཝ Low battery is recorded in the memory of the User Card (Operator can knowthe low battery of the lock when the card is read at operator’s Program).(2) Changing batteryཛ Open the battery case at main case.ཛྷ Replace with new batteries.ཝ When you replace batteries, do not mix the brands of them and use only brandnew batteries.ཞ When you pull out the battery, and if you do not insert the batteries in 3 minute,the clock of the lock returns to default time.( 1st. Jan, 2010 )ཟ Please use Maintenance card to set the time of the lock.(For setting of Maintenance card, please refer to LOS (Locker OperationSystem) User Manual or Esmart ultra client user manual.CAUTIONRISK OF EXPLOSION IF BATTERY IS REPLACEDBY AN INCORRECT TYPE.DISPOSE OF USED BATTERIES ACCORDINGTO THE INSTRUCTIONS