Acer Aspire V7-581 - Manual (Page 75)

Acer Theft Shield - 75
Settings
The Settings page allows you to change alarm settings and also set up
notifications on your Android phone.
Tap Edit under Configure your notebook’s Wi-Fi hotspot network to
change the SSID that your notebook will broadcast while linking to your
Android cellphone.
You can also change the alarm notification duration from the drop-down
menu under Alarm mode settings.
Tip: To view the QR code to download the Android app again, click the
icon.