6.5 Store
As discussed earlier, this is the universal programming button. Activating this button twice
will verify a intended program procedure.
In case you have pushed this button once by accident, or if you have started to program
and don’t want to anymore for whatever reason, then you can push any other switch (
any switch but the “Store” switch) to cancel the programming procedure. The previously
established program will be preserved .
Chapter 7
Musical Instrument Digital Interface - MIDI
7.1 Midi
Midi is short for Musical Instrument Digital Interface, and is an internationally accepted
Communications system between musical instruments of all kinds. We will only need to
learn a small portion of this “language” to use the VH4 and it’s peripheral midi partners.
We are going to learn only about “program change” here.
7.2 Midi In
Midi in is a 5 or 7 pole DIN jack. It must be connected to the midi out jack of your foot
controller (or midi pedal), or the midi out of any effects unit connected to the pedal
directly.
7.3 Midi Through
Connect this port to the midi in of other units to continue the midi chain.
7.4 Midi channels
Midi information can be received on up to 16 midi channels. These channels can be
programmed automatically or manually.
7.4.1 Omni Mode
The Omni mode will allow reading of midi information on all 16 channels.
It is an easy way to get into the midi system, but it is not advisable if more midi partners
on different channels are in the same system. Then a certain midi channel should be
assigned to the VH4 and it’s program changes should be restricted to this channel.
(see 7.4.2) To put the amp into the Omni mode, hold the “Mute” switch down and
activate the “Channel Insert” switch quickly and then release the mute switch. The Insert,
Send 2, and Mute switches will now blink to verify that the Omni mode is being accepted.
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