Sony PRS-900BC - Manual (Page 157)

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Settings
“Advanced Settings” menu items
In the “Advanced Settings” menu, you can configure
the following settings.
“Device Lock”
Locks the Reader by setting a password. “Off” is set by
default.
In “Code,” tap in the 4-digit number using the numeric
keys to set the password.
Once the password is set, the next time you turn on the
Reader, the screen asking for the password appears.
To unlock it, input the password using the numeric
keys, and then tap “OK.”
Notes
 You are recommended to make a note of your password and
keep it in a safe place separate from the Reader. If you forget
your password, contact your Sony Customer Support ( page
161 ); however, note that in unlocking your device, all content
on it will be erased.
 When the “Device Lock” setting is activated, the Reader will
not be recognized by your computer. Make sure to deactivate
the “Device Lock” setting before the USB.
“Calibrate Touch Screen”
Calibrates the touch screen. Follow the on-screen
instructions. You need to configure this setting in the
initial settings or after restoring default settings using
“Restore Defaults ( page 171 ).
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