Unlocking Calibration By Remote; Changing The Password; Changing The Password From The Front Panel; Changing The Password By Remote - Keithley 2500 Service Manual

2-6 Calibration

Unlocking calibration by remote

To unlock calibration via remote, send the following command:
:CAL:PROT:CODE
For example, the following command uses the default password:
:CAL:PROT:CODE

Changing the password

The default password (002500) may be changed from the front panel or via remote as dis-
cussed below.

Changing the password from the front panel

Follow these steps to change the password from the front panel:
1.
2.
3.
4.
5.

Changing the password by remote

To change the calibration password by remote, first send the present password, and then
send the new password. For example, the following command sequence changes the pass-
word from the 'KI002500' remote default to 'KI_CAL':
:CAL:PROT:CODE
:CAL:PROT:CODE
You can use any combination of letters and numbers up to a maximum of eight characters.
NOTE
'<password>'
'KI002500'
Press the MENU key, then choose CAL, and press ENTER. The instrument will
display the following:
CALIBRATION
UNLOCK EXECUTE VIEW-DATES
SAVE LOCK CHANGE-PASSWORD
Select UNLOCK then enter the password. (Default: 002500.)
Select CHANGE-PASSWORD and then press ENTER. The instrument will dis-
play the following:
New Pwd: 002500
Use , , , , ENTER or EXIT.
Using the EDIT keys, enter the new password on the display.
Once the desired password is displayed, press the ENTER key to store the new
password.
'KI002500'
'KI_CAL'
If you change the first two characters of the password to something other than
"KI", you will not be able to unlock calibration from the front panel.
Model 2500 Service Manual