Application Settings - ViewSonic VB70a Pro User Manual

Using security credentials
To select this option, the applications can access security certificates in the
MID, related password and other credentials' encrypted storage. You can
establish the connection between some types of VPN and Wi-Fi by using
these credentials. If you have not set password for these credentials, then
you cannot use this option.
Install from the TF card
If you use the removable TF card to store user files in the MID, then you
can install security certificate from the TF card by touching the option.
Password settings
Select the option to open a dialog box for you to set or change the security
credentials stored passwords. Your password requires at least 8 characters.
Clear storage
Select this option, system will delete all the security certificates and
related credentials through your confirmation, and clear the security
password which is for specified storage.

4.5 Application Settings

Unknown source
Select the option means that system is allowed to install the applications
which are from website, e-mail, or other sources except the Android
e-market.
Warning! In order to protect your MID and personal data, please only
download applications from trusted sources. (Such as Android e-market).
Manage applications
By touching this option, you can open a list which lists all applications
and other softwares installed on your MID, as well as their respective sizes
and the tools which manage them.
Normally, you only need to install, open and use the applications without
worrying about how to manage them; operating system will manage the
way of applications using the storage and other resources automatically.
But sometimes, you may need to learn about them in detail in the MID.
MID applications use the following two memories: storage device and
RAM. Applications will use the storage device to store itself and all the
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