6. To return to the main menu, press MENU. To return to the main display, press MENU
and then EXIT.
6.4 Security
6.4.1 How the security code works
Security codes prevent accidental or unwanted changes to program settings or
calibrations. There are three levels of security.
1. A user can view the default display and diagnostic screens only.
2. A user has access to the calibration and hold menus only.
3. A user has access to all menus.
1. If a security code has been programmed, pressing MENU causes the security screen
to appear.
2.
Enter the three-digit security code.
3. If the entry is correct, the main Menu screen appears. The user has access to the sub-
menus the code entitles him to.
4. If the entry is wrong, the Invalid code screen appears.
6.4.2 Assigning security codes
See Section 7.7.
6.4.3 Bypassing security codes
Call the factory.
Display and operation
34 Rosemount TCL
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