For information about the system prompt languages in each SD Memory Card, refer to "9.1 System PromptLanguages".The system prompt language data you are using on the installed SD Memory Card must be backed up ifyou want to continue using that SD Memory Card’s system prompt language data. After backing up thesystem prompt language data, install the optional SD Memory Card, and then restore the backed up systemprompt language data to the new SD Memory Card.This procedure is described below.1. Insert a USB memory device into the USB port of the PBX.(For details, refer to "Using a USB memory device" in "4.10 Connection of Peripherals".)2. Back up the desired system prompts to the USB memory device.(For details, refer to "6.9 Tool—UM Data Backup" in the PC Programming Manual.)3. Shut down the PBX, and then turn the power switch off.(For details about shutting down the PBX, refer to "5.4 System Control—System Shutdown" in the PCProgramming Manual.)4. Remove the SD Memory Card, and then install an optional SD Memory Card.(For details, refer to "4.3.2 SD Memory XS Card (KX-NS5134), SD Memory S Card (KX-NS5135), SDMemory M Card (KX-NS5136)".)5. Start the PBX as described in "System Initialisation Procedure" in "4.13 Starting the PBX".6. Perform Easy Setup Wizard.(For details, refer to "5.4.1 Easy Setup Wizard".)7. Restore the system prompts backed up in step 2. For details, refer to "6.10 Tool—UM Data Restore" inthe PC Programming Manual.Installation Manual 1054.2.6 Installing/Removing the SD Memory Card