Casio CTK-591 Service Manual

— 14 —
DIAGNOSTIC PROGRAM
■ Initial Setup
a. Connect an AC cord.
b. Connect a Pedal cord.
c. "MODE" switch: NORMAL
d. "Main" volume: MAX
e. Connect a MIDI cable (In-Out).
Note: If there is no pedal or MIDI cable, pedal or MIDI check can be skipped.
■ How to start diagnostic program
a. While pressing “0” button, turn “POWER” switch ON.
b. Confirm “00” message on top of LCD.
c. If everything is OK, release “0” buttons.
d. As for the details of each diagnostic procedure, refer to the attached sheets.
NOTE:
Refer to the figure below for the LCD messages that appear during the diagnostic program.
DP3

Casio CTK-591 Specifications

General

Number of Keys	61
Rhythms	100
MIDI	Yes
Power Supply	9V DC
Keyboard	Standard
Display	LCD
Polyphony	12 notes
Terminals	MIDI
Effects	Reverb
Auto Accompaniment	CAS (Casio Auto-Accompaniment System)