← Repair Guides|Diagnostics / Test Access
Medium10 min

Diagnostics / Test Access

Symptoms this guide addresses

  • System diagnostics
  • Hardware testing
  1. Press MASTER button.
  2. Select Utilities.
  3. Select Test Access.
  4. Follow the on-screen prompts for specific diagnostic tests.

Source: E6400 Ultra — e-mu-eos-4-0-manual (manual)