First Degree NEPTUNE Challenge AR Owner's Manual page 9

The Fluid Adjustable Resistance Tank:
Max: This setting allows the maximum amount of water to reach
the flywheel for heaviest resistance
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Min: Keeps a portion of the water in reserve creating light
resistance.
The all new (Patented) Adjustable
Resistance tank offers for the first
time a true multi level fluid experi-
ence on a home use product.
To use, simply select the desired
resistance and row. Allow for a few
strokes for the resistance change to
be achieved. The resistance level
can also be changed on the fly, al-
lowing for multi-level resistance
profiles during a single workout.