BUTTON CHECKB.
Press the “0” button to select the “Button Check”.B-1.
Press the button in the order indicated in the illustration below. B-2.
Each time the button is pressed, the conrmation chord sounds.
If a button is not operating properly or a button is pressed in a wrong order, an error tone sounds
and “NG” appears on the LCD.
You cannot cancel this check procedure mid-way.NOTE:
1 2 4 3 22 23 24 25 26 27 28
5 6 7
17
18
19
20
21
12
13
14
15
16
8
9
10 11
When the “CHORD” button is pressed at the end, the conrmation chord sounds and “SWIT OK” B-3.
appears on the LCD.
ROM VERSION CHECKC.
Press the “1” button to perform the “ROM Version Check”. C-1.
The ROM version appears on the LCD.
Check that the ROM version is “820vr100”.C-2.