Dahua SD6C230U-HNI Installation Manual page 25

The video port is covered with heat-shrinkable tube with high shrinkage ratio, it needs to heat
and shrink the tubes on both sides after the video port is well connected, which is to make sure
the video port is moistureproof and waterproof.
Step 4
Use the quick mount screw on the speed dome and the quick mount bayonet on the adapter
block to fix the device on the adapter block, and then fasten the speed dome firmly via M6 inner
hex screw, finally it is to connect the device to adapter block via safety buckle, which is shown in
Figure 4-7.
Figure 4-7
Note
If the speed dome is used in outdoor environment, it needs to twine enough Teflon tape on the
thread of the upper hang pole and then rotate the pole on the hang-mounted flange; it needs to
cover silica gel on the hang pole connection set and connector to make it sealed and waterproof.
18