4.2.6 Installing/Removing the SD Memory CardCAUTION• Before touching the product (PBX, cards, etc.), discharge static electricity by touching ground orwearing an earthing strap. Failure to do so may cause the PBX to malfunction due to static electricity.• When installing or removing the SD Memory Card, the power switch must be turned off.• When installing or removing the SD Memory Card, do not put pressure on any parts of the motherboard. Doing so may result in damage to the PBX.• The SD Memory Card contains software and the customer data. Therefore, do not allow unauthorisedaccess to prevent data leakage.• To prevent data leakage, render the SD Memory Card physically unusable before disposal.Notice• Use only a Panasonic optional SD Memory Card.• The SD Memory Card must be inserted in the SD Memory Card slot of the mother board before startup.Note• The maximum length of file names for files that are to be stored in the SD Memory Card is 60 characters.Installing the SD Memory Card1. Insert the SD Memory Card into the slot on the mother board.Before Removing the SD Memory CardWhen you want to back up Unified Messaging system data, a separate backup procedure is required.For details about backing up Unified Messaging data, refer to "6.9 Tool—UM Data Backup" in the PCProgramming Manual.Upgrading from the Installed SD Memory CardTo increase Voice Mail recording time, you can install a larger sized optional SD Memory Card.For details about optional SD Memory Cards, refer to "4.3.2 SD Memory XS Card (KX-NS5134), SD MemoryS Card (KX-NS5135), SD Memory M Card (KX-NS5136)".System PromptsOptional SD Memory Cards contain system prompts for Unified Messaging. However, system promptslanguage data stored in the SD Memory Card differ from those found in the optional SD Memory Cards.104 Installation Manual4.2.6 Installing/Removing the SD Memory Card