Yamaha AP-U70 Посібник з експлуатації - Сторінка 7

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G Starting DIAG

While the opening message appearing at the power ON is on display, press the "DSP" key 3 times; quickly at

the first and second times and keep pressing it at the third time until the DIAG function is started.

G Display when DIAG function is started

First, "DIAG" appears on the FL display of the main unit, followed by the version of the

microcomputer for 1 second (e.g., 1.000f), the checksum of the microcomputer for 2 seconds

(e.g., 7720) and finally the DIAG menu (e.g., 1: ALL). Also, all the function LED segments light

up.

DIAG started

When there is no protection function history (*1)

D I A G

Some seconds

later

Version of the microcomputer

1 . 0 0 0 f

1 second

later

Checksum of microcomputer

7 7 2 0

2 seconds

later

DIAG menu

1 :

A L L

(*1) When there is a history of the protection function

recorded, the type of the last protection function in the

record appears.

AP-U70