Casio CTK-711EX

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■ LCD test
1. Press “CURSOR
←
” button.
2. Display indicates “LCD OK”.
3. Each pressing of “CURSOR
←
” button, displays following patterns in the following order with verifica-
tion sound.
a. Checker on 8 character block : pattern A
b. Checker on 8 character block : pattern B
c. Checker on pixel block : pattern A
d. Checker on pixel block : pattern B
e. All dots indication
f. Displays each pixel (or dot) block in turn + all dots indication
g. Displays each dot in turn + all dots indication
■ LED test
1. Press “CURSOR
→
” button.
2. Display indicates “LED Test” and LEDs illuminate in the following order with verification sound.
a. FULL RANGE CHORD
b. FINGERED
c. CASIO CHORD
d. SONG
e. PATTERN
f. FREE SESSION
g. SYNTH
h. TOUCH RESPONSE
■ To exit from the diagnostic program
Pressing “CURSOR
↓
” button sets the instrument in Reset power off state.
If you wish to use the instrument continually after this diagnostic program, perform “System reset” de-
scribed below.