To verify which command set is selected from a remote interface:
Send the command:
*LANG?
To change to the TSP command set from a remote interface:
Send the command:
*LANG TSP
Reboot the instrument.
Verify instrument date and time
Before adjusting calibration, verify the system date of the DMM6500.
From the front panel:
1. Press the MENU key.
2. Under System, select Settings. The SYSTEM SETTINGS menu opens.
3. Verify the date and time.
4. If necessary, correct the date and time.
Set up remote connections
For detail on remote communications, refer to the DMM6500 Reference Manual section "Remote
communications interfaces."
Calibration adjustment is performed by connecting reference signals to the DMM6500 and sending a
series of adjustment commands using one of the remote interfaces. The adjustment procedure may
be done interactively, programmatically, or using a combination of the two.
Interactive: Manually set up and connect each reference signal, then send the appropriate calibration
adjustment command.
Programmatic: A computer performs setup of calibrator source instruments and controls appropriate
settling delays before automatically sending calibration adjustment commands to the DMM6500. The
control program must determine when the adjustment step is complete and check for adjustment
errors before continuing to the next step.
The following section describes the DMM6500 adjustment commands that are used for a manual
interactive adjustment procedure. Techniques for controlling automated program timing and error
checking are described in Adjustment command timing and error checking (on page 3-39).
Unlock calibration
To start making adjustments, you must unlock it by sending the calibration password:
cal.unlock("KI000CAL")
KI000CAL is the default password. You can change the password. Refer to cal.password (on page
4-6) for details.
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