Casio LK-127 Service Manual & Parts Manual page 19

„ Test Items
„
Pressing a test button enables the corresponding test item to be tested.
Test Items
A. Mode Switch Check
B. Button Check
C. ROM Version Check
D. Keyboard LED Check
E. LCD Check
F. Auto Power OFF Check
This diagnostic program does not test the following items.
Check the functions with regular power-on state.
Test Items
G. Key Check
H. Headphones Check
Buttons
0
1
TONE
STEP 1
PART SELECT
Buttons
– 17 –
Note
Note
Headphones
LK-127