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V. 1.3-05-08-19
brookvent.co.uk
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5b
Use the arrow keys to navigate to the setting you want to change and press the middle Select key.
5b-1 Extract Trickle
Press the up and down to set the percentage fan speed between 0-
100%. Pressing and holding the arrow button will change the speed
by 5%. The fan speed will change as you set it but there may be a
slight delay of approximately 5 seconds. To move the percentage
points 1 at a time just press and release the arrow button.
Note: the unit needs to be in trickle mode for changes to be
noticed or measured.