← Repair Guides|Initialize / Reset Contrast
Easy10 min

Initialize / Reset Contrast

Symptoms this guide addresses

  • LCD display is unreadable or characters are not visible
  1. Activate the Master/Global module.
  2. Select Special (8).
  3. Select Contrast (2).
  4. Use the Data Entry Control to adjust the contrast value until the display is readable.

Source: ESI-4000 — e-mu-esi4000-manual (manual)