AvonSynth AVS-MIDI-1 Benutzerhandbuch - Seite 6

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The

User Guide

Troubleshooting

Issue

No LEDs light on

power up

I'm playing notes, but

nothing's happening

The tuning process is

failing, stalling, or not

tuning the expected

range

www.AvonSynth.com

Potential Solution

Ensure that the 16-pin power cable is connected correctly, and

that the 12V, -12V, GND, and +5V lines are active.

First, ensure that your MIDI cable is connected to the MIDI Input

of the unit, and that you are seeing indication from the sender

of MIDI that it is being sent correctly.

If the cable is connected, and MIDI messages are being sent

from the source device, the 'IN' LED on the AVS-MIDI-1 blinks

as messages are received.

If the 'IN' LED is blinking, but nothing else is happening, check

that you have selected matching MIDI channels on the source

device and the AVS-MIDI-1 (see page 3). If you set the

AVS-MIDI-1 to 'OMNI' mode, and your problem persists, then it

is likely not MIDI channel related.

Also ensure that you have a patch cable inserted into at least

one Gate output. These outputs are used to select the

polyphony (see page 4) and if no cables are connected to any

Gate outputs, the polyphony selection is zero (no notes). Note

that the other side of the patch cable inserted to a Gate output

need not be connected to anything if gates are not used.

Only use simple (ie. sine, triangle, sawtooth, pulse) waves of

analogue VCOs (digital VCOs shouldn't need tuning).

Make sure that the VCO is set to around 20Hz, or the lowest

audible pitch of a sine wave before starting the tuning routine.

Make sure that you've selected the channel by inserting a patch

cable into the gate output of the channel you would like to tune

(with no patch cables in higher numbered channels).

Make sure that the V/OCT output of your selected channel is

connected to the V/OCT input of your VCO, and that no other CVs

that could inﬂuence the pitch or other characteristics of the VCO

are used. These can be reconnected after tuning.

AVS-MIDI-1

MIDI to CV

Converter

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