Download EverFocus EFC306 User manual

NAV IP Access controller
Press to enter to the alarm input setting, the system will first prompt users to select an alarm input, like the below window. Total 10 alarm inputs (0‐9) available in NAV Controller. Alarm Input ---1
Setting
5.6.4.13
Alarm Input Mode
At the above window, press input mode submenu, use to enter to the setting for alarm input #1. The 1st submenu is the alarm and to switch to other submenus. Alarm Input Mode
Three alarm input modes are available: N.O., N.C, and Invalid. Press modes. Alarm Input Mode
Normally Open mode
Alarm Input Mode
Normally Close Mode
to toggle among the three Alarm Input Mode
Invalid

N.O. mode indicates the normal status (no alarm input signal) of circuit is disconnected. It will be alarmed if the alarm input is active and the circuit will be closure. 
N.C. mode is the inversed case of N.O. It means the normal status of circuit is closure. It will be alarmed if the alarm input is active and the circuit will be disconnected. 
Invalid input indicates the related alarm input is disabled. 
5.6.4.14
Alarm Output Mode
At the following window, press to configure the alarm output mode Alarm Output Mode
There are two alarm output modes: latched mode and transparent mode. Press to toggle between the two modes. Alarm Output Mode
Latched
Alarm Output Mode
Transparent

Transparent mode indicates the alarm output will present as long as the alarm input is valid, and alarm output will disappear when the alarm input is invalid. The duration of alarm output is purely controlled by the duration of valid alarm input, not related with the timeout configuration. 
Latched mode indicates that alarm output can only be triggered by the valid alarm input after the arm delay duration. And the alarm output will be last for the specified alarm timeout duration. 48