Casio Lk90tv Instruction Manual

E-9
General Guide
1
MIC VOLUME knob
2
KEY CONTROL/TRANSPOSE buttons
3
SING ALONG button
4
 button
5
SONG MEMORY button
6
FUNCTION button
7
DEMO button
8
KEY LIGHT button
9
DATA ACCESS lamp
0
RHYTHM button
A
TONE button

ADVANCED 3-STEP LESSON SYSTEM
B
PRACTICE PHRASE button
C
SCORING 1 to 3 button
D
STEP 1 to 3 button
E
SPEAK button
F
METRONOME button
G
LEFT button, TRACK 1 button
H
RIGHT button, TRACK 2 button
I
Speaker
J
MIC IN jack
K
RHYTHM list
L
TONE list
M
SONG BANK/SING ALONG listN
Display
O
PIANO...

E-10
General Guide
*2
Rear Panel
ijk
i
SUSTAIN/ASSIGNABLE JACK
j
DC 9V jack
k
PHONES/OUTPUT jack
649A-E-012A
f
Number buttons
g
[+]
/[–]
 buttons•For input of numbers to
change a displayed number
or setting.
•Negative values cannot be
input using the number
buttons. Use [+] (increase)
and [–] (decrease) instead.
h
Card slot
h
l
USB port
m
VIDEO OUT jack
*3
lm
*1 Attaching the Score Stand
Insert both ends of the music stand provided
with the keyboard into the two holes on the
top surface....

E-11
Quick Reference
This section provides a quick overview of keyboard operation
using steps one and two of the 3-step lesson feature.
To play the keyboard
1Press the POWER button to turn on power.
•This causes the power indicator to light.
2Set the MODE switch to NORMAL.
3Press the SONG BANK button.
4Find the tune you want to play in the SONG BANK/
SING ALONG List, and then use the number
buttons to input its two-digit number.
•See page A-9 for the Song Bank/Sing Along List.
Example: To select “58...

E-12
If you selected lesson Step 1
•Play the notes on the keyboard.
•Accompaniment (left-hand part) plays in time with
the notes.
•With Step 1, the correct melody note is played no
matter which keyboard key you press.
If you selected lesson Step 2
•Play the correct notes on the keyboard.
•Press the keyboard key that lights. Note that with a
Piano  Bank tune, the keyboard key light turns off as
soon as you press the key.
•The keyboard key for the next note you will need to
play flashes.
•Accompaniment...

E-13
Important Battery Information
The following shows the approximate battery life.
Alkaline batteries .................................... 2.5 hours
The above value is standard battery life at normal
temperature, with the keyboard volume at medium
setting. Temperature extremes or playing at very loud
volume settings can shorten battery life.
Any of the following symptoms indicate low battery power.
Replace batteries as soon as possible whenever any of
the following occurs.
•Dim power supply...

E-14
 CAUTION
Misuse of the AC adaptor creates the risk of fire and electric
shock. Always make sure you observe the following
precautions.
•Do not locate the electric cord near a stove or other
sources of heat.
•Never pull on the cord when unplugging from the
electrical outlet.  Always grasp the AC adaptor when
unplugging.
•Insert the AC adaptor into the wall outlet as far as it
will go.
•Unplug the AC adaptor from the wall outlet during
lightening storms or before leaving on a trip or other
long-term...

E-15
Power Supply
Power On Alert
Keyboard keys light to alert you if you leave power on and
do not perform any operation for about 6 minutes. Note that
keys light only, and no sound is produced. When this
happens, press any button or keyboard key to clear the power
on alert.
NOTE
•Power on alert operates only when you are powering
the keyboard using the AC adaptor. It does not operate
when you are using batteries.
To turn off power on alert
1Press the FUNCTION button a number of times until
“DEMO 2”...

E-16
Connections
Phones/Output Jack
PREPARATION
•Before connecting headphones or other external
equipment, be sure to first turn down the volume settings
of the keyboard and the connected equipment. You can
then adjust volume to the desired level after connections
are complete.
[Rear Panel]
White
RedPIN plug Stereo standard plugAudio connection PHONES/OUTPUT jack
Keyboard amp, 
guitar amp, etc.
1
LEFTRIGHTAUX IN or similar terminal
of audio amplifier2
3
Connecting Headphones (Figure 1
)
Connecting...

E-17
Microphone Jack
You can connect a commercially available microphone to the
microphone jack and sing along with notes played on the
keyboard. For details, see “Using a Microphone for Sing
Along” on page E-31.
VIDEO OUT Jack
You con connect the keyboard to a TV equipped with a video
input jack, and view lessons*1 and song lyrics*2 on the TV
screen.
*1: Lessons using built-in tunes or SMF data
*2: Built-in tunes with lyric data or commercially available
SMF data with lyric data
Connecting to a TV...

E-18
Basic Operations
This section provides information on performing basic
keyboard operations.
To play the keyboard
1Press the POWER button to turn the keyboard on.
2Set the MODE switch to NORMAL.
3Use the MAIN VOLUME slider to set the volume
to a relatively low level.
4Play something on the keyboard.
Selecting a Tone
This keyboard comes with 264 built-in tones. Use the
following procedure to select the tone you want.
To select a tone
1Find the tone you want to use in the TONE List and
note its tone...