
Please refer to the housin
r procedures to mount the port
4. Push the locking device inwards.
Turn the locking device sideways into the
recess. Ensure that the locking device is
secured inside the recess and the extension
ring is securely locked with the port.
6. To unlock, insert a small screwdriver into the
recess to lift the locking device, then reverse
the above procedures.
outwards position before mounting/ un-
mounting the port. The knob should be left at
this position until it is made sure that the lens
and focus gear are properly installed.
Engage the gear by pushing
inwards, then turn the knob both ways to
check if the lens focuses.