H9 User Guide
Bypass
15
Bypass
It’s important to select the Bypass function that works best with your setup. The H9 gives you
the choice of Bypass type – DSP Bypass, Relay Bypass or DSP+FX Bypass. The H9’s default
Bypass setting is DSP Bypass.
DSP Bypass
When set to DSP Bypass, bypassing sends the audio at the DSP’s inputs directly to the outputs
without any effects processing. This type of bypassing works well in most situations, and
protects against gain and tone changes when bypassed.
Relay Bypass/True Bypass
Some guitarists prefer a “true bypass” in which the pedal’s electronics are completely
disconnected from the signal path. When [RELAY] Bypass is selected the H9 uses relays to
“hard wire” your inputs to your outputs. (In fact, whenever the H9’s powered down, its
electronics are completely bypassed by the relays.)
Relay Bypass is not a good choice if the H9’s input is your guitar and you’ve connected the
H9’s output directly to a non-instrument level input device or have connected to your amp
over a long cable. Non-instrument inputs are often low impedance (typically <10k ohm) and
will load the guitar output and change its tone. DSP Bypass allows the H9 to act as a buffer,
providing a low impedance output (500 ohm) capable of driving any device input or cable
length.
DSP+FX Bypass
When [DSP+FX] is selected, Bypass sends the audio at the DSP’s inputs directly to the outputs
with the decaying ‘tail’ of the current effect mixed in.
Selecting Bypass Type
The Bypass mode is selected in System Mode under [BYPASS]. [DSP] is the default. Here’s how
to change it:
1)
Press and hold the HOTKNOB button and Right Footswitch simultaneously for a few
seconds to enter System Mode.
2)
Turn the Knob until [BYPASS] is displayed.
3)
Momentarily press the HOTKNOB button.
4)
Turn the Knob until [BYPTYP] is displayed.
5)
Momentarily press the HOTKNOB button.
6)
Turn the Knob to select [DSP] or [RELAY] or [DSP+FX].
7)
Press and hold the HOTKNOB button and Right Footswitch simultaneously for a few
seconds to exit System Mode.
TIP: Using MIDI Program Change to control Bypass - MIDI Program Change is typically used to
load a preset but it can also be programmed to directly control the unit’s BYPASS setting. See
the System Mode [MIDI] section for details.
Note: The H9 has been carefully designed to not mess with your tone in any of the Bypass
settings.
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