a good way to start is to follow the quick guide printed on the plastic overlay that comes with your OP-1.
make sure that your OP-1 is fully charged. if not, insert the USB cable into the USB port located on the right side of your OP-1 and connect it to a computer or to a USB power adapter.
turn on your OP-1 by sliding the white power switch located next to the USB port towards you. the teenage engineering logo will be displayed briefly on screen.
turn up the volume using the white knob located on the left side of the screen (clockwise increases volume).
you are now ready to play the OP-1.
press the synthesizer key.
select a synthesizer sound by pressing any key from 1-8.
these keys 1-8 are called sound selection keys in this manual.
press any key on the musical keyboard to play a synthesizer sound.
press the drum key.
select a drum sound by pressing any sound selection key from 1-8.
press any key on the musical keyboard to play a drum sound.
press the tape key.
select track by pressing any of the 1-4 keys located under the screen.
these keys are called T1-T4 in this manual.
press rec + play to start rolling tape.
play the musical keyboard. use the stop key to stop recording. rewind to the starting point by pressing and holding the rewind key. now press play key to listen to your recording.
first make sure that you have some recorded material on the tape.
press the mixer key to open up the mixer view. now press the play key to start playing the tape.
depending on which track that contains recorded material, the corresponding VU meter will indicate the sound level.
adjust the individual track level by turning the color related knob.
hold down the shift key while turning the color related knob to adjust the pan for each track.