PO-28 programmable
performance
synthesizer
user guide
ガイド
robot download as PDF
download as PDF
notice. read this first. the product is esd sensitive and is sold without casing.
battery information:

install only new batteries of the same type.

failure to insert batteries in the correct polarity, as indicated in the battery compartment, may shorten the life of the batteries or cause batteries to leak.

do not mix old and new batteries.

do not mix alkaline, standard (carbon-zink) or rechargeable (nickel cadmium) or (nickel metal hybride) batteries.

do not dispose of batteries in fire.

batteries should be recycled or disposed of as per state and local guidelines.

fcc statement:note: 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.

this device complies with part 15 of the fcc rules. operation is subject to the following conditions;

this device may not cause harmful interference, and

this device must accept any interference received, including interference that may cause undesired operation.

caution: changes or modifications not expressly approved by the party responsible for compliance could void user’s authority to operate the equipment.ices statementcan ices-003 (b) / nmb-3 (b) teenage engineering warrants that this product will be free from defects in material or workmanship for a period of 12 months from the date of teenage engineering’s shipment of the product to you, the customer. in the event of a defect covered by this limited warranty, teenage engineering will, at its option and free of charge to customer, repair, replace or refund the purchase price paid.
TEENAGE ENGINEERING MAKES NO OTHER EXPRESS WARRANTIES EXCEPT AS PROVIDED HEREIN, AND ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHALL ONLY BE IN EFFECT DURING THE 12 MONTH WARRANTY PERIOD PROVIDED HEREUNDER. TEENAGE ENGINEERING'S LIABILITY ON ANY WARRANTY CLAIM SHALL BE LIMITED TO THE ACTUAL PURCHASE PRICE PAID. TEENAGE ENGINEERING SHALL NOT BE RESPONSIBLE TO CUSTOMER OR ANY THIRD PARTY FOR ANY CONSEQUENTIAL, INCIDENTAL OR INDIRECT DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, LOSS OF DATA, REVENUES, SALES, BUSINESS, GOODWILL OR USE.
what does this limited warranty not cover?
teenage engineering has no obligation to repair, replace, or provide refunds in the following instances:

if the alleged defect arises because customer has altered or repaired the product without the prior written consent or authorization of teenage engineering;

if customer did not follow any applicable instructions for proper storage, usage, or maintenance of this product;

if customer has failed to notify teenage engineering of any defect where the defect should have been reasonably apparent on inspection; or

if customer fails to notify teenage engineering of the defect within 12 months of teenage engineering's shipment of this product to customer. this limited warranty does not cover the cost of shipping the defective product to teenage engineering for repair, or the cost of shipping the repaired or replacement product to you. how do customers receive warranty service? please call your teenage engineering customer service representative for details on how to raise an issue in relation to your product.

selected
tempo
break away hanger
time / note /
additional info
sound
parameters A / B
play / rec mode
knob A / B
A timbre
A depth
A swing
B release
B rate
B tempo
expression control
effects
play / stop
write
micro drum
folding stand
indicates write mode is active
indicates micro drum kit is active
sound
to select sound hold
sound and press 1-16
alarm
to select pattern hold
pattern and press 1-16
pattern
press to select tempo
hold to set master volume 1-16
hold step 1-16 + m
to set multiplier
to toggle effects hold FX
and press 1-16
bpm
sound 1-16
effect 1-16
sound 1-16
1. LFO pulse wave
2. pulse wave
3. mixed wave
4. triangle wave
5. echo
6. arpeggio
7. vibrato
8. 4-bit triangle
9. LFO pulse wave
10. pulse wave
11. mixed wave
12. triangle wave
13. echo
14. arpeggio
15. vibrato
16. micro drum kit
effect 1-16
1. distorted filter
2. distorted sweep
3. repeat 4
4. repeat 2
5. lowpass slow filter
6. lowpass fast sweep
7. hipass filter
8. hipass sweep
9. fill-in
10. fill-in (fast)
11. retrigger
12. retrigger(fast)
13. glitch
14. glitch (fast)
15. blinds
16. noise effect
auto power off (a.p.o)
the unit auto powers off after 5 minutes of inactivity. in this state all patterns and settings will be saved, leaving only the LCD lit. this state draws very little power so there is no need to remove batteries. if there is a cable connected in the line in, the unit will auto power off after 60 minutes of inactivity.
press any key to wake the unit after sleep.
press sound + bpm to show battery status.
press sound + write to power off. this also saves all pattern data.
factory reset
hold pattern + write while inserting batteries to restore the unit to factory default.
1 – getting started power up set clock alarm clock reset clock insert two fresh AAA batteries. pay attention to plus and minus poles.
set time by turning knob A for hours and knob B for minutes. press any key to confirm and exit.
press sound + pattern. set alarm clock by turning A for hours and B for minutes. (disable alarm by turning knob A all the way down.)
press any key 1-16 to set pattern for the alarm.
reset the clock by removing the batteries and start over.
2 – live play select sound play melodies tweak the sound sound 1-16 1-16 hold sound and press any key 1-8 to select a sound in the high-octave range.
hold sound and press any key 9-15 to select a sound in the low-octave range.
press keys 1-16 to play notes from a fixed scale.
knob A controls the timbre of the current sound. knob B controls the release rate.
auto vibrato add expression micro drum kit hold glide and tweak knobs to control automatic vibrato. vibrato is applied a short while after the onset of every live note. knob A controls vibrato depth, and knob B controls the rate.
to turn off this feature,
turn knob A all the way to the left.
hold glide and press any key 1-16 to glide up to a note. hold glide while releasing a note key to activate a falling chromatic scale effect.
hold sound and press 16 to select the micro drum kit. press keys 1-16 to trigger an assortment of 8-bit drum sounds.
3 – sequencer sequencer select pattern making a beat write the device is equipped with a 16-step, 2-channel sequencer. the first sequencer channel is for melodies, and the second is for drums.
hold pattern and press any key from 1-16 to select pattern. blinking led indicates active pattern.
press write (rec symbol appears) to edit the contents of a pattern. enter notes/sounds in the grid. active steps will be lit.
press play to listen to your pattern.
when sound 16 is selected, the grid represents the drum channel. when any other sound is selected, the grid represents the melody channel.
select sound parameter locking set note / drum while write mode is active, hold sound and press any key 1-8 (or 9-15) to select a sound for the melody channel.
during play, hold write while turning knobs to write sound parameter changes over time.
while write mode is active, hold a lit step and turn knob A to set note value or to select drum sound.
fine-tuning the pattern while write mode is active, hold a lit step and turn knob B to modify the release rate on that step.
hold a lit step and press glide to toggle the glide-up effect on that step. hold an unlit step and press glide to toggle the glide-down effect on that step.
4 – effects add effects FX 1. distorted filter
2. distorted sweep
3. repeat 4
4. repeat 2
5. lowpass slow filter
6. lowpass fast sweep
7. hipass filter
8. hipass sweep
9. fill-in
10. fill-in (fast)
11. retrigger
12. retrigger(fast)
13. glitch
14. glitch (fast)
15. blinds
16. noise effect
while playing, hold FX and press any key 1-16 to punch in effects. hold FX without pressing any key to clear effects.
the filter effects also work in live mode when the sequencer is stopped.
hold FX and press the corresponding key to activate the effect. press FX briefly to deactivate it
5 – tweak the sound swing tempo volume hold bpm and turn A to adjust the swing.
press bpm to switch tempo. the bpm will be displayed in the upper right corner of the screen.
HIP HOP (80 bpm)
DISCO (120 bpm)
TECHNO (140 bpm)
hold bpm and turn B to fine-tune tempo (from 60 to 240 bpm).
hold bpm and press any key 1-16 to adjust master volume.
note: be careful with the volume setting when using headphones. only exceed volume setting 5 with caution.
live record step multiplier while playing, except in write mode, hold write and press any key 1-16 to punch in notes. notes will be quantized along with current swing setting. release write when finished.
in write mode, ensure that the micro drum kit (sound 16) is selected, so that the grid represents the drum channel.
hold a lit step, and press bpm to insert a re-trig on that step. press bpm multiple times to switch between 2, 3, 4, 6 or 8 multiplier.
6 – making a song (pattern chaining) copy pattern clear pattern chain pattern pattern 1-16 hold write + pattern and press 1-16 to paste the active pattern to the corresponding new slot.
press glide + pattern to clear the active pattern.
hold pattern and press a sequence of keys 1-16 to create a chain of up to 128 patterns.
one pattern can be selected multiple times. example 1,1,1,4 plays pattern 1 three times then moves on to pattern 4. after last pattern is played the sequence will start over again.
8 – sync multiple units sync sync modes input
output
master
SY1
SY4
sync
ID input output
SY0 stereo stereo
SY1 stereo mono/sync
SY2 sync stereo
SY3 sync mono/sync
SY4 mono/sync stereo
SY5 mono/sync mono/sync
it is possible to sync
multiple pocket operators with a click track using line in and out.
warning: sync levels should not exceed 5Vpp (volt peak-to-peak).
connect a standard stereo audio cable between the units. the master unit will control the tempo of the sync unit.
hold glide and press bpm on master unit to toggle sync modes. press repeatedly to toggle between different modes.
there are 5 sync modes. default mode is SY0.
when sync is used the signal will be split between audio (right) and sync
(left).
sync scenarios SY1
SY5
SY4
master
sync
sync
external
device
SY2
master
sync
example A: sync three pocket operator units.
example B: sync external device such as volca, iPhone, computer or synckontrol to PO-28.
external
SY3
SY4
device
master
sync
sync
SY1
device
external
sync
audio
master
sync
example C: sync an external device to two pocket operator units.
example D: sync PO-28 to an external device.
mount the pro case (optional) make sure
the folding stand
is also removed.
break away
hanger
don't have
a pro case?
buy here.
to mount the pro case to a pocket operator,
first you need to break away the hanger and remove
the folding stand.
wrap the pro case around the edges of the unit. make sure the edges of the case is tightly fit.