Please follow the instructions below to mount the Extension Ring on a port.
1.
Confirm that the extension ring is unlocked,
with the locking device pointing upwards as
shown.
2.
Align the "I" mark on the extension ring with
the WHITE dot on the port. Then gently push
the extension ring towards the port until it
cannot go in any further
3.
Turn the extension ring clockwise until the
white dot on the extension ring aligns with
the white dot on the port.
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