Reader™ User Guide
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Top page > Settings > Changing the Settings > System Management

## System Management

Setting | Description
[Device Lock] | Sets a 4-digit PIN for the Reader to prevent unauthorized use. To set [Device Lock] to [On], input your 4-digit PIN tap [Continue] to enter it again tap [OK]. When [Device Lock] is set to [On], you must unlock the Reader with the 4-digit PIN when waking up the Reader from sleep mode, or when turning on the power. To set [Device Lock] to [Off], input your 4-digit PIN and tap [Continue]. Note Sony recommends that you make a note of your 4-digit PIN and keep it in a safe place separate from the Reader. If you forget your 4-digit PIN, contact Sony Customer Support. Note that in unlocking your device, all content on it will be erased.
[Standby Screen] | Sets standby screen preferences. [Type of Image]: You can select whether to display the cover of the last read book or pictures from the [Pictures] application. When you select [Selected Pictures], continue by tapping [Select Pictures] tap to add a check next to the pictures you want to display tap [Done]. [Show Message]: You can select whether to display a message about waking up the Reader from sleep mode on the standby screen.
[Download Destination] | Sets the destination for content downloaded from Reader Store or files downloaded from the browser. Select between [Internal Memory] and [SD Card].
[Check for Updates] | Check the update information.
[Demo Mode] | Sets the Reader to the Demo Mode. To enter the Demo Mode, check the checkbox next to [Demo Mode].

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