and door chime:
Disable both Bypass code and the door chime.
Enter the code 0000.
Disable Bypass code and enable the door
chime. Enter the code 0001.
Enable Bypass code and disable the door
chime. Enter any code ending with 0.
Enable Bypass code and enable the door
chime. Enter a code not ending with 0.
You hear three beeps.
The system returns to Normal mode.