2
Using the Adjustable Port System
The ALF80 features a unique port system allowing for greater flexibility when positioning
and concealing the product.
There are three optional positions where the port can be connected to the ALF80 cabinet.
A steel plate (port plate) and a rubber o-ring provide an air tight seal around the port. Two
similar blanking plates are used to cover and seal the unused port holes.
To remove the port and blanking plates use a number 2 pozi screwdriver to remove the four
fixing screws. Then remove the plate from the cabinet taking care not to drop the o-ring
through the port opening.
To adjust the amount the port protrudes from the ALF80 cabinet, remove the screws along
with the port plate and pull/push the port by gripping the inside surface. Ensure the o-ring
is correctly positioned in its rebate before re-securing the port plate and make sure the
port is absolutely firm. If it appears loose, check the o-ring has not dropped through the
opening.
Top Position
This port position can be useful if you need to stand the ALF80 on its end (connection
terminal facing upward), or when locating it in a ceiling void, port firing downwards.
MAX 110mm (4
5
/
8
”)
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