RIGOL
Service Guide for DM3000 Series
Calibration Security Code
Setting calibration security code can ensure that the multimeter could be calibrated
only by authorized person. Before calibrating, firstly you must enter calibration
security code.
The security code of Multimeter could be made of 10 characters at most which is from
number “0~9” and letter “A~Z”. Users can set the self-defined password.
The factory default of security code is “DMCAL”, and when power is off or reset,
security code will not be changed or lost.
Set or Reset Security Code
Press , select T/C PSW to enter the primary password by the direction
buttons on front panel and set SecrOff , then enter a new code and press SecrOff
to finish new setting.