5BACK TO CONTENTSPage of 255.0 Use5.1. Set-Up and Charging5.1.1. Power the Charging Case by connecting the USB Charging Cable to anelectrical source.5.1.2. Open Charging Case by pushing down on the top of the latch (Unlock symbol).Check to make sure the AcceleDent Optima Activator is secure in the Charging Casefor proper charging. To close the lid securely, push down on the front of the latch(Lock symbol).Note: The lid does not need to be closed for proper charging.5.1.3. The Status Indicator on the AcceleDent Optima Activator will be solidorange while charging and turn off when fully charged.5.1.4. Prior to first use, charge for at least 8 hours.