Chapter 3 Test Mode
AC-4000 Service Manual No. 0181B
3-2
any key
3.2 Test Mode Start
Reset the main power or press the RESET key, then immediately press and keep pressing any key other
than the RESET key for a while until a buzzer sounds, the following test mode menu screen will appear
by releasing the key.
3.3 Hardware Test
I
Hardware test mode selection screen
To select a desired menu, press the key to increment a menu, or enter a menu number followed by
pressing the [
↓
] key.