Owner’s Manual
4015-2 Yanokuchi, Inagi-city, Tokyo 206-0812 Japan
2005 KORG INC.
Thank you for purchasing the Korg DIGITAL TUNER
METRONOME TM-40.
Printed in China
Precautions
Location
Using the unit in the following locations can result in a malfunction.
• In direct sunlight
• Locations of extreme temperature or humidity
• Excessively dusty or dirty locations
• Locations of excessive vibration
• Close to magnetic fields
Power supply
Be sure to turn the power switch to OFF when the unit is not in use.
Remove the battery in order to prevent it from leaking when the unit
is not in use for extended periods.
Interference with other electrical devices
Radios and televisions placed nearby may experience reception
interference. Operate this unit at a suitable distance from radios and
televisions.
THE FCC REGULATION WARNING (for U.S.A.)
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of
the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for
help.
Unauthorized changes or modification to this system can void the
user’s authority to operate this equipment.
CE mark for European Harmonized Standards
CE mark which is attached to our company’s products of AC
mains operated apparatus until December 31, 1996 means it
conforms to EMC Directive (89/336/EEC) and CE mark Directive
(93/68/EEC).
And, CE mark which is attached after January 1, 1997 means it
conforms to EMC Directive (89/336/EEC), CE mark Directive (93/
68/EEC) and Low Voltage Directive (73/23/EEC).
Also, CE mark which is attached to our company’s products of
Battery operated apparatus means it conforms to EMC Directive
(89/336/EEC) and CE mark Directive (93/68/EEC).
IMPORTANT NOTICE TO CONSUMERS
This product has been manufactured according to strict specifications and voltage requirements that are applicable in the country
in which it is intended that this product should be used. If you
have purchased this product via the internet, through mail order,
and/or via a telephone sale, you must verify that this product is
intended to be used in the country in which you reside.
WARNING: Use of this product in any country other than that for
which it is intended could be dangerous and could invalidate the
manufacturer’s or distributor’s warranty.
Please also retain your receipt as proof of purchase otherwise
your product may be disqualified from the manufacturer’s or
distributor’s warranty.
Main features
The TM-40 tuner metronome allows you tune your instrument
using the internal mic or by connecting to the TM-40’s INPUT jack.
Additionally, you can use the metronome for practicing as well as
operate the tuner and metronome either separately or simultaneously.
Installing batteries
1 Slide the battery compartment cover in the direction of the
arrow located on the back of the TM-40, and remove it.
2 Insert batteries, making sure to observe the correct polarity.
If the unit malfunctions try removing and then reinstalling the
batteries.
The included batteries are for the purpose of verifying
operation; they may have a shorter lifespan than normal.
When the batteries run down, a
battery symbol will appear in the
left of the display. When this
occurs, replace the batteries.
Using the stand
You can use the stand provided on the back of the TM-40 to tilt it
back at an angle for easy viewing.
Parts of the TM-40
Turning the power on/off
To turn the power on
Press either the [TUNER ON] switch or the [METRONOME ON]
switch and the power will turn on.
When you press the [TUNER ON] switch, the TM-40 will enter
Meter mode, and the tuning meter will appear in the display.
The upper part of the display will indicate “TUNER.”
When you press the [METRONOME ON] switch, the TM-40 will
enter Beat mode, and the metronome pendulum will appear in
the display. The upper part of the display will indicate “METRONOME.”
The TM-40 lets you use the tuner and metronome simultaneously by simply turning on both power switches.
To turn the power off
The power will turn off when both the tuner and metronome are
turned off.
Turning the tuner off
When the tuner is operating, press the [TUNER ON] switch to
turn off the tuner. The tuner will also turn off automatically if
not in use for twenty minutes.
Turning off the metronome
When the metronome is operating, press the [METRONOME
ON] switch to turn off the metronome. The metronome will also
turn off automatically if not in use for twenty minutes.
Connections
If you want to connect an instrument or contact mic etc.
If you want to tune an instrument with a pickup, such as an
electric guitar, connect a cable to your instrument, and plug the
cable into the TM-40's INPUT jack.
If you want to tune your instrument using a separately sold
Korg CM-100 contact mic, plug the contact mic into the TM-40's
INPUT jack.
If you want to tune without making any connections, you can do
so by using the internal mic.
The INPUT jack is only for a 1/4”mono cable. Stereo (TRS)
cables cannot be used.
Connecting earphones
You can connect 1/8” mini-plug earphones to the PHONE jack.
When plugged in, no sound will be heard from the speaker.
Use the volume control to adjust the volume of the earphones.
Handling
To avoid breakage, do not apply excessive force to the switches or
controls.
Care
If the exterior becomes dirty, wipe it with a clean, dry cloth. Do not
use liquid cleaners such as benzene or thinner, or cleaning compounds or flammable polishes.
Keep this manual
After reading this manual, please keep it for later reference.
Keeping foreign matter out of your equipment
Never set any container with liquid in it near this equipment. If liquid
gets into the equipment, it could cause a breakdown, fire, or
electrical shock. Be careful not to let metal objects get into the
equipment.
[TUNER ON] switch [METRONOME ON] switch
CALIB [▲], [▼]
[SOUND] switch
switches
PHONE jack
Mic
[START/STOP–TAP IN] switch
Volume
Tuning Guide
TEMPO [
BEAT/TAP [▲], [▼]
▲
], [▼] switches
INPUT jack
switches
Using the tuner
Tuning while watching the meter (Meter mode)
1 Connect your instrument cable or contact mic to the TM-40's
INPUT jack.
If you want to use the internal mic, don't plug anything into
the INPUT jack. The internal mic can't be used when a plug
is connected to the INPUT jack.
2 Press the [TUNER ON] switch.
You will enter the Meter mode, and the tuning meter will appear
in the display. The upper part of the display will indicate
“TUNER,” and the most recently specified calibration (reference
pitch) is shown at the left.
3 If you want to change the calibration setting, press the CALIB
[▲] or [▼] switch. This setting is remembered even when the
power is off.
Press the CALIB [▲] or [▼] switch: The calibration setting
will increase or decrease in 1 Hz steps. If you hold down the
switch, the calibration setting will change continuously.
4 Play a single note on your instrument.
The name of the note closest to the note you played will appear
in the left of the display. Tune your instrument to the correct
pitch, so that the desired note name appears.
If you're using the internal mic, place your instrument as
close as possible to the mic so that extraneous sound is not
picked up while tuning.
5 While playing a single note on your instrument, tune your
instrument so that the tip of the meter indicates “0” and the
center indicator of the tuning guide is lit.
The left tuning guide indicator will light if the pitch of your
instrument is flat, and the right indicator if the pitch is sharp.
6 If you want to tune a just major third above or a minor third
above a certain note, use the “
marks on the meter.
Tuning to a just major third above or a minor third above
If you want to tune to a just major third above A (0 cent), tune
your instrument so that the note name indicator shows C# and
the meter is at “
If you want to tune to a minor third above A (0 cent), tune your
instrument so that the note name indicator shows C and the
meter is at “
”.
”.
Tuning to a reference tone (Sound Out mode)
” (-13.7 cent) or “ ” (+15.6 cent)
1 Press the [TUNER ON] switch.
You will enter the Meter mode.
2 Press the [SOUND] switch to select Sound Out mode.
When you enter Sound Out mode, the speaker will produce
sound.
Use the volume control to adjust the speaker volume.
3 If you want to change the calibration setting, press the CALIB
[▲] or [▼] switch.
4 Press the [SOUND] switch to select the desired reference pitch.
By pressing and holding down the [SOUND] switch for approximately one second, you can switch between “12 NOTES” or
.” This setting is remembered even when the power is off.
“AB
Now you can press the [SOUND] switch to choose the following
settings for “12 NOTES” or “AB
12 NOTES: C (C4) → C# → D → E
A → B
→ B → C (C5) → no display (Meter mode) → C (C4)...
: A (A4) → B (B 4) → no display (Meter mode) → A (A4)...
AB
”.
→ E → F → F# → G → G# →
5 Tune your instrument to the reference pitch.
Using the metronome
Setting the tempo and time signature (Beat mode)
1 Press the [METRONOME ON] switch.
You will enter Beat mode, and the metronome pendulum will
appear in the display. The upper part of the display will indicate
“METRONOME.”
2 Press the TEMPO [▲] or [▼] switch to set the tempo.
By pressing and holding down both TEMPO [▲] and [▼]
switches for approximately one second, you can switch between
“PENDULUM STEP” and “FULL STEP”. The setting will
alternate each time you hold down the switches for approximately one second.
After selecting “PENDULUM STEP” or “FULL STEP”, press the
TEMPO [▲] or [▼] switch to set the tempo. This setting is
remembered even when the power is off.
If you've selected “PENDULUM STEP”
Pressing the TEMPO [▲] or [▼] switch will increase or decrease
the tempo value in the steps shown below. The value will
change continuously if you hold down the switch.
Press the TEMPO [▲] or [▼] switch: ÷ 40 ÷ 42 ÷ 44... 88 ÷
92 ÷ 96 ... 192 ÷ 200 ÷ 208 ÷ 40...
If you've selected “FULL STEP”
Pressing the TEMPO [▲] or [▼] switch will increase or decrease
the tempo value in steps of 1 bpm as shown below. The value
will change continuously if you hold down the switch.
Press the TEMPO [▲] or [▼] switch: ÷ 40 ÷ 41 ÷ 42... 206 ÷
207 ÷ 208 ÷ 40 ...
3 Press the [START/STOP–TAP IN] switch to start the metronome.
The metronome pendulum will swing
between left to right at the specified
tempo, and the LEDs at left and right
of the display will also light alternately
in synchronization with the tempo.
4 If you want to change the time signature, press the BEAT/TAP
[▲] or [▼] switch to make your selection. The time signature
will change as follows.
Press the BEAT/TAP [▲] or [▼] switch: ÷ 0 ÷ 1...7 (7 beats) ÷
(duplets) ÷ (triplets) ÷ (triplets without the center
beat) ÷
center beats) ÷ 0...
(quadruplets) ÷ (quadruplets without the
5 Play along with the metronome tempo.
6 To stop the metronome, press the [START/STOP–TAP IN]
switch.
Inputting tap tempo (Tap mode)
The tap tempo you input will be displayed as a BPM (Beats Per
Minute) value.
1 Press the [METRONOME ON] switch.
You will enter the Beat mode.
2 Simultaneously press the BEAT/TAP [▲] and [▼] switches to
enter Tap mode.
“TAP” will appear at the left of the “TEMPO” indicator on the
display.
3 Press the [START/STOP–TAP IN] switch several times at regular
intervals.
The TM-40 detects the interval at which you pressed the switch,
displays it as a BPM (Beats Per Minute) value, and sets it as the
tempo. The display will indicate the value.
If you then press the BEAT/TAP [▲] or [▼] switch to enter Beat
mode, the metronome will begin sounding at the displayed
tempo.
If the BPM detected by the Tap Tempo function is less than 40,
the display will indicate “Lo”. If you then enter Beat mode, the
tempo will be set to “40” bpm.
If the BPM detected by the Tap Tempo function is greater than
208, the display will indicate “Hi”. If you then enter Beat mode,
the tempo will be set to “208” bpm.
4 Play along with the metronome tempo.
Using the tuner and metronome simultaneously
The TM-40 lets you use the tuner and metronome simultaneously.
For details on tuner operation and metronome operation, refer to
“Using the tuner” and “Using the metronome.”
Using the tuner and metronome simultaneously
For example if you're playing along with the metronome and notice
that your instrument is not tuned correctly, you can leave the
metronome running while you tune.
Proceed as follows.
1 Press the [METRONOME ON] switch.
In Beat mode
Press the [START/STOP–TAP IN] switch to start the metronome.
If necessary, specify the tempo and time signature etc.
To set the tempo: TEMPO [▲] or [▼] switch
To set the time signature: BEAT/TAP [▲] or [▼] switch
When using the tuner and metronome simultaneously, you
can't select “triplets”, “triplets without the center beat”,
“quadruplets” or “quadruplets without the center beats” as
the time signature.
In Tap mode
Simultaneously press the BEAT/TAP [▲] and [▼] switches to
enter Tap mode, and use the [START/STOP-TAP IN] switch to
input the tap tempo.
Then press the BEAT/TAP [▲] or [▼] switch to enter Beat mode;
the metronome will start.
If necessary, use Beat mode to adjust the tempo and time
signature.
2 Press the [TUNER ON] switch to enter Meter mode.
The display will show the tuning meter. In this state, the tempo
is indicated by the LEDs located at the left and right of the
display.
If you want to tune in Sound Out mode, you should then press
the [SOUND] switch.
Adjust the calibration if necessary.
To adjust the calibration: CALIB [▲] or [▼] switch
Tuning in Meter mode
When you play a single note on your instrument, the display
will show the name of the note that is closest to the pitch you
played. Tune your instrument while watching the meter and the
tuning guide.
Tuning in Sound Out mode
Press the [SOUND] switch to select the name of the desired note.
Tune your instrument to the pitch you hear.
3 When you're finished tuning, press the [TUNER ON] switch.
Specifications
Tuner section
Scale: 12 note equal temperament
Detection range*: C1 (32.70 Hz)–C8 (4186.01 Hz) for a
sinewave
Reference tone: C4 (261.63 Hz)–C5 (523.25 Hz) One octave
Tuning modes: Meter mode (AUTO)
Calibration range: A4 = 410 Hz–480 Hz (1 Hz step)
Detection accuracy: Better than ±1 cent
Sound accuracy: Better than ±1 cent
Metronome section
Tempo range: 40–208 beats per minute (bpm)
Tempo setting: PENDULUM STEP
Time signatures: 0–7 beats, duplets, triplets, triplets,
Tempo accuracy: ±0.3%
Metronome modes: Beat modem
Connectors: INPUT jack (1/4”mono)
PHONE jack (1/8” mini)
Speaker: Dynamic speaker (ø28 mm)
Power supply: Two AAA batteries (3V)
Battery life: Tuner ... Approximately 70 hours (A4 continuous
input, when using zinc-carbon batteries)
Metronome ... approximately 50 hours (tempo 120,
four beats, maximum volume, when using zinc-
carbon batteries)
Dimensions: 133 (W) x 77 (D) x 18 (H) mm /
5.24” (W) x 3.03” (D) x 0.71” (H)
Weight: 87 g (107 g, including batteries) /
3.07 oz. (3.77 oz., including batteries)
Included items:
The Calibration setting and Sound setting (“12 NOTES ” or “AB”) of the
Tuner section are remembered even when the power is off. However when
you exchange the batteries, these settings will return to the following default
values.
Default values: Calibration = 440 Hz, Sound = 12 NOTES
The tempo, Time signature, and Tempo setting type (“PENDULUM STEP” or
“FULL STEP”) of the Metronome section are remembered even when the
power is off. However when you exchange the batteries, these settings will
return to the following default values.
Default values: Tempo = 120, Time signature = four beats, Tempo setting
type = PENDULUM STEP
* Even if the pitch is within the range of detection, the TM-40 may be unable to
detect the pitch if the sound contains numerous overtones (such as the low and
high notes on an acoustic piano) or if the instrument has a rapid decay.
Specifications and appearance are subject to change without notice for improvement.
Owner's manual, two AAA batteries for checking
operation
or AB
Sound Out mode (MANUAL)
FULL STEP
without the center beat, quadruplets,
quadruplets without the center beats
Tap mode