Specifications
Appendix E: Reference
AFG3000 Series Arbitrary/Function Generators Programmer Manual E-29
Security Menu. 
Use the Security menu to limit access to the following menus:
 Firmware update
 Service menu. (Refer to the service manual for information about the service 
menu.)
The access protection is set to off by default. To turn the access protection on, do 
the following steps:
1. Push the front-panel Utility button, and then select Security Menu.
2. Select Access Protection to display the password input page.
3. Enter your password.
Use the general purpose knob to select the characters and push the Enter 
Character bezel button after each selection. As you enter the characters of 
your password, they are displayed as a series of asterisks (*******) on the 
password input page.
If no specific password has been previously defined, use the default password 
DEFAULT.
4. Select OK to turn the access protection on.
You cannot perform the firmware update without entering the password.
To Change the Password. Before the password is changed for the first time, the 
password is DEFAULT. To change the password, do the following steps:
1. Push the front-panel Utility button, and then select Security Menu.
2. Select Change Password to display the password input page.
3. Enter your current password.
Use the general purpose knob to select the characters and push the Enter 
Character bezel button after each selection. Then select OK to display the 
New Password input page.
4. Enter a new password.
A password must have at least four characters, and not more than 12 characters. 
When you enter a new password, the entered characters are displayed on the 
screen.
5. Select OK to activate the new password.
NOTE. To activate or deactivate the access protection, you must enter the 
password you set. If you forget the password, you must return the instrument to 
Tektronix to reset the password.










