19d. Play Mode Setup: This menu setup item includes picture interval time and musicplayback mode.Picture Interval Time: To setup automatic view interval of picture, 001~255 secondsare available.Music Play Mode: To setup music play mode, three modes such as random play, allloop, and single loop.9. Firmware UpgradeYou can download the firmware with new revision, and you can upgrade this productthrough the following steps.1) Visit homepage of Acer Company (Http://www.acer-euro.com) and download thelatest firmware file of this product.2) Connect this product with the computer through USB cable.3) Copy the latest firmware file to the root directory in the removable disk of MP400Player.4) Normally disconnect the connection between this product and the USE cord ofcomputer.5) Restart this unit and the upgrade of this product will finish automatically.Note: Please ensure the power capacity is enough before upgrade. If the power isinterrupted during the upgrade process, this product may suffer serious damage. So,connect the power adapter before upgrade to ensure a continuous power supply.