Keysight AC6800B Serie Guide D'utilisation Et D'entretien page 85

Lock and Unlock the Front Panel
Be certain that you enter the password carefully and remember it. You cannot clear the
password by cycling instrument power.
Press [Menu] > System > Preferences > Lock to lock the front panel.
There is no factory default password.
The password must be 4 to 15 characters long and may include any of these characters:
Characters Description
A-Z Upper case letters
a-z Lower case letters
0-9 Numeric digits
+ - ( ) . , <space> Plus, minus, parentheses, period, comma, space
To unlock the instrument, press any key other than [Meter] and enter the password.
Keysight AC6800B Series Operating and Service Guide
2 User Information
85