The menu to unlock the front panel appears every time a key is pressed. Enter the password to unlock
the front panel.
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
Enter a numeric password, up to 15 digits long. Then
press Select.
Log out of the Admin menu to activate the password.
You can now only enter the Admin menu by providing
the correct 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.
Clock Setup
The real-time clock is used to provide time stamp information for the Keysight 14585A Control and
Analysis Software, which is its only function. When shipped, the real-time clock is set to Greenwich
mean time. To set the clock:
Front Panel Menu Reference
SCPI Command
SelectSystem\Preferences\Display\Clock.
Enter the date in the Month, Day and Year fields.
Enter the time in the Hour, Minute, and Second fields.
Press Selectto setthe date and time.
To setthe date:
SYSTem:DATE 2018,06,30
To setthe time:
SYSTem:TIME 20,30,0
Keysight RP7900 Series Operating and Service Guide 163
4 Using the Regenerative Power System
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