A: Press P1122E to enter Programming mode. Press P1E. Enter your new 4 digit code, then press E (ie., ????E) Press POE to exist programming mode.
This is how to change the factory default code to your own,so I would think you enter the code you are using now instead of 1122.
Sorry that's all the info I can give you as we don't use any of the micromark equipment.
e manno
September 2013