Vivotek IP9165-LPC User Manual page 14

VIVOTEK
Some, but not all special ASCII characters are supported: !, $, %, -, ., @, ^, _, and ~.
You can use them in the password combination.
10-2. Another prompt will request for the password you just configured. Enter the password
and then you can start configure your camera and see the live view.
14 - User's Manual