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Sound Sculpture Volcan Manual

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Volcano
MIDI and Expression Pedal Controlled Volume

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Summary of Contents for Sound Sculpture Volcan

  • Page 1 Volcano MIDI and Expression Pedal Controlled Volume...
  • Page 2 Thank you for purchasing the Volcano remotely controlled volume control. Take a look at some of the reasons this is the best volume effect you will ever use. Volcano is an all analog effect containing an ultra high quality audio channel allowing gain changes in an audio path under MIDI Control Change or Program Change messages or directly from an expression pedal connected to the pedal input.

  • Page 3: Getting Started

    GETTING STARTED If you do not yet have a power supply for the Volcano, you will need to choose one. See "POWERING THE VOLCANO" in the appendix for details on this. If you plan on using the Volcano with MIDI (and will not be using a locally attached expression pedal), then follow the steps in "QUICK START (MIDI)".
  • Page 4 MIDI mode is selected when you wish to control the unit with a MIDI controller or a computer. In this mode the unit will accept Program Change messages (to select various programs such as fixed gains or pedal ranges), Control Change messages in "instant access"...
  • Page 5 SETTING THE LOCAL PROGRAM In LOCAL mode (LOCAL/MIDI switch set to LOCAL) the Volcano will respond to the movement of the expression pedal attached to the expression pedal input according to the setting of the local program set by the 4 switches (labeled 8 4 2 1).
  • Page 6 LOCAL PROGRAM SWITCH SETTINGS Program Switch Line Exp Pedal Range Description setting /Instrument 8-4-2-1 Switch (1=on) 0-0-0-0 select disabled slave mode (follows master) 0-0-0-1 LINE OFF to -3dB traditional volume curve 0-0-1-0 LINE OFF to 0dB traditional volume curve 0-0-1-1 LINE OFF to +3dB traditional volume curve...
  • Page 7 MIDI PROGRAMS AND CONTROL MESSAGES When the unit is in MIDI mode (LOCAL/MIDI switch set to MIDI) all local programs are disabled and all programs are instead selected by MIDI Program Change messages with additional functions supplied by MIDI Control Change on/off type messages.
  • Page 8 FIXED GAIN PROGRAMS CHART Use this chart to select a program for a fixed gain. If a fixed gain is selected, all movable pedals are disabled. A gain of 0dB is the same as a guitar cord in that there is no gain and no cut. A negative value cuts the signal and a positive value boosts the signal.
  • Page 9 SWEEP GAIN PROGRAM CHART Programs 47-90 are used to select a range of gains that the unit will sweep through when the MIDI CC0 pedal or the expression pedal is swept. The loudest end of the sweep can be changed after it is selected using the special function programs increment and decrement or the on/off inc/dec messages.
  • Page 10 -24dB -12dB +12dB 24dB -24dB +6dB -12dB +18dB 30dB -12dB -6dB +6dB -12dB +12dB 12dB -12dB +6dB +18dB 18dB +6dB +12dB +18dB -12dB Pan curve for left side -6dB +6dB Pan curve for left side +12dB Pan curve for left side +6dB +18dB Pan curve for left side...
  • Page 11 PROGRAM FUNCTION decrement current gain by 3 dB (or decrement end gain of sweep by 3dB) increment current gain by 3 dB decrement current gain by 6 dB increment current gain by 6 dB decrement current gain by 9 dB increment current gain by 9 dB decrement current gain by 12 dB increment current gain by 12 dB...
  • Page 12 CONTROL CHANGE CHART The Volcano responds to Control Change messages 2-21 as on/off type messages. Controller 0 is reserved to allow gain to change when a gain range is selected with a program. Controller 2 toggles between mute and the current level. Controller 3 or 4 are used to toggle between bypass (0dB of gain) and the previous level.
  • Page 13 Tech Tips. The variety of Program messages and Control Change messages gives the user a large number of ways to control the Volcano to match the player's needs. Following are some ways in which the various commands can be used for particular applications.
  • Page 14 APPENDIX POWERING THE VOLCANO The Volcano nominally operates from a 9V DC supply (not included) and requires 100ma or greater. You can use either regulated or non regulated supplies. The connection is 2.1mm (some supplies have 2.5mm which is too loose a connection so be careful to use the correct size) with the center pin positive.

  • Page 15: Overload Indication

    TRS (stereo jack) with wiper on the ring Power 9VDC @ 100ma 2.1mm center positive Dimensions 4.6" X 2.7" X 1.1" (116mm X 69mm X 28mm) Weight 7 ounces (200 grams) Shipping weight 1 lb. Copyright 2011 Sound Sculpture Musical Instrument Products. All rights reserved...