Lfrequency; Secure:code - HP E1312A User Manual

:LFRequency?

Comments
Example

:SECure:CODE

Comments
Example
80 Multimeter Command Reference
CALibration:LFRequency?
This command returns
+50
multiple of 50.
Query the Line Frequency Setting
CAL:LFR?
CALibration:SECure:CODE <
To change the security code, first unsecure the multimeter using the old security code
with
CAL:SEC:STAT OFF, <
security code may contain up to 12 characters. The security code is stored in
non-volatile memory.
•
The security code is set to "
when the multimeter is shipped from the factory. The security code is stored in
non-volatile memory, and does not change when power has been off or after a
remote interface reset.
•
The security code <
The first character must be a letter. The remaining characters can be letters or
numbers or an underscore. You do not have to use all 12 characters but the first
character must be a letter.
•
If you forget or lose the active security code, you can disable the security
feature by adding a jumper inside the multimeter (see Chapter 5 in the Service
Manual). You then enter a new code and remove the jumper.
Enter a New Calibration Security Code
CAL:SEC:STAT OFF, HP_E1412
the_new_code
CAL:SEC:CODE
queries the line frequency setting.
for line frequency set to 400 because 400 is an even
Query the line frequency.
new code > enters a new calibration security code.
old code . Then, enter the new code. The calibration
>
" for C-size (or "
HP_E1412
new code > can contain up to 12 alphanumeric characters.
Unsecure with the old code.
Enter a new calibration code
(a maximum of 12 characters).
" for B-size)
HP_E1312
Chapter 3