Source Audio Vertigo Tremolo User Manual page 14

Level Knob
Sets the overall output level of the Vertigo. The control is linear and ranges from 0 (completely silent)
to 2.0 (or +6 dB). At the middle position, the output gain is 1.0 (or 0 dB). The diagram below shows
the levels corresponding to the different knob positions, along with linear (red) and logarithmic
decibel (blue) equivalents.
Effect Switch
Selects between the three basic tremolo effect types – Normal (Optical), Harmonic, or Bias. These
effects are described in further detail in the
LEDs
Engage / Bypass LED
The Engage / Bypass LED above the footswitch indicates if the tremolo effect is active (lit green) or
bypassed (not lit).
When the user preset mode is enabled, the LED will turn red. See the
section for more information about user presets.
External Control LED
The small LED located between the Depth and Speed knobs is the External Control LED. When lit, it
indicates that external control mode (expression, hot hand, or MIDI) is active. For more information,
see the External Control
Footswitch
Enables or bypasses the tremolo effect.
Control Input Button
This small button is used when configuring external control. See the
more details.
SA243
0 dB
1.0
-6 dB
0.5
-∞ dB
0
Effect Types
section.
Vertigo Tremolo User's Guide
+3.5 dB
1.5
+6 dB
2.0
section.
Preset Storage and Recall
External Control section for
14