3Important NoticePlease read this notice completely BEFORE repairing orinstalling any optional accessories. As failure to properly installthe additional board or connector with the power ON coulddamage the machine’s SPC or SC board.Please follow the instructions below:1. It is essential that you turn OFF the Main Power Switch locatedon the Left Side of the machine.2. It is essential that you unplug the AC Power Cord from the walloutlet. (During a Lightning Storm, to prevent electrocutiondisconnect the Telephone Line Cable first before unpluggingthe AC Power Cord.)3. Please read the installation instructions carefully and followeach step.Note:O = Power OFF, l = Power ONNote:If the Hard Disk Drive Unit is installed, to prevent a Scan Disk Function from beingperformed (similar to Windows OS when the power is abruptly interrupted), it isimportant to follow the step sequence below when turning OFF the Power Switch on themachine.1. If the machine is in the "ENERGY SAVER MODE", you may turn the Power Switch on the Left Side ofthe machine to the OFF position. If it is not in the "ENERGY SAVER MODE", continue to step 2 below.2. Press "FUNCTION" and "ENERGY SAVER" keys simultaneously first.3. Wait approximately 10 seconds while the machine writes the closing status onto the Hard Disk DriveUnit and advances into "ENERGY SAVER MODE".4. Turn the Power Switch on the Left Side of the machine to the OFF position.5. Unplug the AC Power Cord. (During a Lightning Storm, to prevent electrocution disconnect theTelephone Line Cable first before unplugging the AC Power Cord.)* The specifications are subject to change without notice. Panasonic Communications Co., Ltd. reservesthe right to make improvements in the product design without reservation and without notice.