EverFocus SPEED DOME EPTZ900 - Manual (Page 26)

2-25
Notice: Please notice the polarity of control line. The EPTZ500 will not work if the
polarity of control line is mis-connected.
6. Align the two screw holes on the bottom of mechanical part to the two bolts on the
base of the housing, and twist the mechanical part clockwise a little bit in order to
engage it with the base. Screw the two bolts on the base, and then connect and fix the
connection bus to the PCB board on the mechanical part.
Notice: The camera module on the mechanical part is very sensitive. Please be careful
when installing this part.
7. Remove the lens protection cover before installing the bulb. Screw the connection
wire to the housing in order to prevent the bulb from being drop down. Align the 2
buttons on the bulb base with the 2 buttons on the housing, and push bulb base to clip
the housing.