OPERATION
3-1-44
Locking and unlocking
Press [Lock & Unlock]. When Level 1 and Level 2 are both locked, the menu displays
three soft keys:
Unlock Level 1
Unlock Level 2
Serial No. Set
Press [Unlock Level 1] and the message Enter 4 Digit Password: will appear on the
display. Level 1 is unlocked by entering the 4 digits on the key pad and pressing [enter]. The
menu will change and two soft keys, [Lock level 1] and [Lock Keyboard], will appear on the
left-hand side. The default password is 1234. If this password is not recognised by the
instrument, the password has been changed by your calibration/repair department personnel who
should be consulted for further information. [Unlock Level 2] is only used during servicing.
Refer to the Service Manual for details.