Kings Power SP-550 User Manual page 54

26. CONNECTING THE EXTERNAL TIME SIGNAL
1.
Unlock the key and remove the
cover.
2.
The connector for external time
signal is on the back of the time
stamp.
3.
The two wires of external alarm
unit, inset into the external time
signal connector of time stamp.
4.
Replace the cover and lock.
51
(OPTIONAL)