Security settings, Please see "security settings – Acer P5207B User Manual
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Security settings
If you're projecting sensitive information, you may want to set up a WPA-PSK
key by clicking Security settings.
The WPA-PSK/WPA2-PSK encryption key should be entered as 8 to 63 ASCII
characters. This feature can be set and enabled by the supervisor.
Note: ASCII (American Standard Code for Information
Interchange) is a code for representing characters as “0-9, a-z, A-Z,
!, @, #, $, %, &, *, -, _, +,=, /, ?“are allowed. Hexadecimal digits
consist of the numbers 0-9 and the letters A-F/a-f.
Note: If your OS is Windows XP, additional hotfixes/patches may
need to be updated from Microsoft website for WPA2-PSK.
Note: Please be noted that enabling WPA-PSK/WPA2-PSK will
increase computing loading and projection performance may be
subjected to it.