Special Features - Process Sensors MCT Series Installation And Operation Manual

Appendix 1 – Special Features
Backdoor Password
If the password for the MCT has been forgotten is unknown then a special 'backdoor' password will
allow the user/engineer to view and change the old password.
To use this 'backdoor' system proceed as follows:
Press Display Rotate to present a single constituent Home screen.
Scroll DOWN to MISCELLANEOUS.
At the Password request enter the number 6811, then press ENTER.
This will access the MISCELLANEOUS menu.
Scroll down to NEW PASSWORD to see what the password was set to.
Change it to any new password and press ENTER to save the new number.
Keypad Lock
All the keys on the Operator Interface may be 'locked' to prevent unauthorized users from making any
adjustments. Holding down the UP arrow and pressing ENTER activates the 'lock'. De-activation of
the 'lock' is made with the same keystrokes, followed by entry of the Password. The Cal Code key will
continue to operate when the sensor has a 'locked' keypad.
Hidden Menus for the MCT via Operator Interface
Engineering Menu
The MCT sensors contain a 'hidden' engineering menu that contains the filter algorithm coefficients and
several other customization functions of the sensor.
This menu should only be accessed by people experienced in the setup of the MCT for specific
applications.
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