SF series user manual V1.0
3.3.1 Door sensor
Door sensor is used to detect the door’s on/off status. The fingerprint
access control device can use it to detect the door is opened illegally,
and at this time it will output the alarm. In addition, if the opened door is
not closed well in the regulated time, it also will output the alarm
3.3.2 Exit button
Exit button is a door-open switch installed inside the room and it is
closed to open the door. Please fix it at a place which is about 1.4 meter
high from the ground. Please ensure its location is positive and not
askew, while its connection is accurate and firmly. (Cut off the bared
side of unused cable and wrap it with the insulating tape.) Please pay
attention to prevent the electromagnetic interference. (For example:
lighting switch, computer, etc)
3.3.3 Alarm
The alarm output of this fingerprint access control device is an on-off
signal. It can be put in series to the power circuit of a simple alarm. Of
course, it can also be used as a trigger signal of the advanced alarm or
the monitoring system. (The alarm output of the device only supports
the 12VDC alarm.)
3.3.4 Doorbell
The device can only use the doorbell with control pin. The doorbell
connected with power supply directly is not recommended.
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