You can find description here: teslascada.com/HTML/user-library.html
Input5 is an interger from bits. Every bit response for boolean property of the user:
for example 011 = 3.
1 - 0 bit = Control function is enabled
1 - 1 bit = Acknowledge events (this user can acknowledge events)
0 - 2 bit = Delete events (this user can't delete events from Event log because property is FALSE)
Other properties false because bits are FALSE.
The administrator has disabled public write access.