Use the following procedure to reset the VK-8M and restore the factory default settings:
1. Make sure that the volume is turned to the minimum position.
2. Press the VK-8M’s [POWER] switch to turn off the power.
3. While holding down the BANK, WRITE, and H-BAR MANUAL button, press the POWER switch to turn on the power.
4. Press the BANK, WRITE, and H-BAR MANUAL button until all of the panel indicators light.
Once the Factory Reset has been completed, all panel indicators will light for several
seconds.