Operation Manual

6
USER MANUAL
STK-520
Cautions:
Improper handling of batteries can cause them to burst and leak, which creates the danger of personal
injury or damage of the keyboard. Be sure to note the following precautions:
Never mix batteries of different types.
Never mix old batteries with the new ones.
Replace batteries as soon as possible after any sign of running out.
Remove the batteries from the keyboard when not using for an extended period of time.
Using the AC adaptor
Use only the specifi ed AC adaptor for this keyboard. The adaptor shall be 12V DC output, 2200mA, and
center positive type. Turn off the keyboard before you connect the adaptor into the AC wall outlet and
the cord into the unit.
Cautions:
Use only the specifi ed AC adaptor. Use of another type of adaptor creates the danger of re and electronic
shock.
For safety sake, unplug the AC adaptor from the wall outlet when leaving the keyboard unattended for a
long time
CONNECTIONS
The headphones jack
A standard pair of stereo headphones can be plugged in PHONES jack for private practice or late night
playing. The internal speaker system is automatically shut off when the headphones are plugged into
the PHONES jack.
The sustain jack
An optional foot switch can be plugged into the SUSTAIN jack for sustain control. The foot switch
functions like the pedal on a piano-press for sustain, release for normal sound.
DC 12V
CONNECTIONS