Front Panel Menu Reference SCPI Command
Select System\Preferences\Lock
In the dialog box, enter the password to unlock the front
panel. Then selectLock.
The menu to unlock the front panel appears every time a key
is pressed. Enter the password to unlock the front panel.
Not available
If the password is lost, the SYSTem:PASSword:FPANel:RESet command can reset the front panel
lockout password. Refer to Calibration Switches for more information.
The SYSTem:COMMunicate:RLSTate RWLock command can also lock and unlock the front panel. This
command is completely independent of the front panel lockout function. If you use this command to
lock the front panel, the front panel will be unlocked when AC power is cycled.
Password Protection
You can password-protect all functions located in the Admin menu. These include: instrument
calibration, interface access, non-volatile memory reset, firmware update, password updates.
As shipped, the Admin menu password is 0 (zero). This means that you do not have to enter a
password to access the Admin menu. Simply select System\Admin\Login and press Enter. To
password-protect the Admin menu:
Front Panel Menu Reference SCPI Command
Select System\Admin\Password
The password must be numeric, and up to 15 digits long.
Press Select
Log out of the Admin menu to activate the password. You
can now only enter the Admin menu by providing the right
password. Enter the password in the Password field.
Enter calibration mode using the original password
CAL:STAT ON, <password>
To change the password:
CAL:PASS <password>
To exit calibration mode and activate the password:
CAL:STAT OFF
If the password is lost, access can be restored by setting an internal switch to reset the password to 0.
If the message “Locked out by internal switch setting” or “Calibration is inhibited by switch setting”
appears, the internal switch is set to prevent the password from being changed. Refer to Calibration
Switches for more information.
Keysight N6900/N7900 Series Operating and Service Guide 179
4 Using the Advanced Power System
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