Korg TM-50 Manuel D'utilisation page 16

"triplets", "triplets without the center
beat", "quadruplets" or "quadruplets
without the center beats" as the time
signature.
3.
Press the TUNER ON button to enter
Meter mode.
The display will show the tuning meter.
The tempo of the metronome tempo is
indicated by the blinking of the TAP
TEMPO button.
If you want to tune in Sound Out mode,
you should then press the SOUND but-
ton. To tune in the Sound Back mode,
press the SOUND BACK button.
16
Tuning in Meter mode
When you play a single note on your in-
strument, the display will show the name
of the note that is closest to the pitch that
you played. Tune your instrument while
watching the meter and the tuning guide.
Tuning in Sound Out mode
Tune your instrument to the pitch that you
hear.
Tuning in Sound Back mode
Using the tone, tuning meter and tuning
guide, adjust your instrument.
4.
After tuning is complete, press the
TUNER ON button and METRONOME
ON button respectively to turn off the
tuner and metronome.