Limiting The Expression Zone - Xpresense The Wag Owner's Manual

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User's Manual

Limiting the Expression Zone

As shown above, we refer to your full range of hand motion. By default, this full range of motion
represents a full swing of an Expression Pedal which you could call the Expression Zone. With
the Wag system, we have divided the full range into a number of expression zones to give you
flexibility in adapting the ring to your playing style. So, the Expression Zone can be equal to the
full range, or some smaller range that is biased toward the open or closed position. Here are the
selections we provide: 0 – 100 %, 75 – 100 %, 50 – 100 %, 25 – 75 %, 0 – 50 %, and 0 – 25 %.
Using the Wag to Switch Effects
The WAG can emulate the behavior of different types of footswitches such as stomp box
switches, and footswitches on multi-effect units. This is accomplished using Midi CC and
Program Change messages. There are two types of switches; momentary and latch.
With momentary operation, an effect is switched on only while your hand is closed. As soon as
you open your hand, the effect is switched back off. The direction is reversible. This is very
useful for rapid note by note switching of effects. The sensitivity setting (Sw Sens) offers a
tradeoff between how fast you want to switch (e.g., rapid fire stutter effects) and guarding
against accidentally switching your effects.
With Latch operation, closing your hand toggles the effect on. Opening your hand part way
then closing it again toggles the effect back off. This is useful for slower switching operations
such as between rhythm parts and extended solos and where you are more concerned about
accidentally switching. This mode lets you switch effects yet relax your hand in between so you
can play freely without concern for accidental switching.
Combining Expression Pedal control with Effects Switching
It is possible to combine expression pedal control with effects switching. For example, you could
set up a latch switch to turn your overdrive effect off and on. Then set up an expression control
to control your wah-wah pedal position. You might want to set a small zone for the expression
control so that you don't accidentally switch your overdrive. So, a full squeeze of the hand
switches your overdrive on for a solo while a subtle change in hand position near the open
position controls your wah-wah. This sounds complex but in practice it's not. The system is
designed to give you the flexibility to explore all possibilities.
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