The DCU-602 alarm system series incorporates several different models of Brinks alarm, including the BSH-2000A, B and C. The system has room for six additional entry codes for family members or employees. Additional entry codes can only be changed using the system's three-digit master code. Replacing an entry code helps ensure your property is completely secure -- a leaked entry code could compromise the effectiveness of your Brinks alarm.
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Tap the "Options" button in the lower right corner until "Auxiliary Code Enter Master Code" appears on the display.
Enter your three-digit master code using the numbered buttons. "Enter 1-6" appears on the screen.
Touch the number of the code you are changing. "Enter New Code" appears on the display screen.
Type in a new code using the number buttons. When the keypad emits a confirmation beep, the new code is ready for use.