GB-303 - Furrtek
Contents
1. n Rn GB 308 re ws p F Pr i gt 1 los TC 3 USER S MANUAL CA aT SES 4 EA Engineering pow 4 bi Thank you for purchasing GB 303 First and foremost GB 303 is only inspired by the Roland TB 303 e It is not intended to be a TB 303 clone for the GameBoy The user interface is different the purpose is different and even if care e was taken to resemble the original the sound is different GB 303 is a monophonic wavetable based synthesizer made to be used with other GameBoy music tools such as LSDJ or Nanoloop The embedded memory provides enough space to save 100 patterns and 17 songs What makes GB 303 unique is not only its sound but also its analog controls giving great ease of use during live play Along with the synth track is a parallel drum track provided with 30 typical GameBoy drum presets for accompaniment or rhythm testing Some features of the original TB 303 were kept but more were added for additional effects such as a LFO and per note oscillator selection We hope that GB 303 will give you entire satisfaction and enable you to make even greater chipmusic A a T CBS Navigation 3 Screen X Y Pad 8 Screen Live 4 Screen Config 9 Knobs pots 5 Synchronizing 10 Screen2. pitch slide from the last pitch to the new note s one Note The oscillator type can be overridden in the Live L screen and can be changed step by step even with no new note trigger NT PIANO ROLL 886 START Play pattern and loop SELECT START Play song UP DOWN LEFT RIGHT Moves the highlighted cursor A sets note B only removes note B UP B DOWN Moves 6 semitones Note icons octave2 3 4 OFF L Js x By X Y PAD 12 START Play pattern and loop SELECT START Play song CUTOFF Visualisation by the black dot of cutoff value in X left is high est and resonance value in Y top is highest Note this screen allows for rescue control of these pa rameters with UP DOWN LEFT RIGHT if there is a hardware problem with the pots m zoums 4 tr CONFIC UP DOWN Moves the highlighted cursor A validates A L R Edit value START Play pattern and loop SELECT START Play song SYNC NONE LFO TO NOTH ING ESET NO BPM Tempo 6 to 255 saved in song Sync None LSDJ Slave LSDJ MIDI IN Full MIDI IN Nanoloop Master See page 10 saved in general param eters LFO to Send to cutoff resonance or pitch saved in pattern Synth L R Drums L R Stereo routing for separate mixing if needed saved in song Pattern overrides When saving the pattern the current pot assignments will be saved with it and will override the song s pot assignments saved in pattern Note Song or p
3. 22 2 2 2 2 22 Note If there are no stop point in the song the play pointer will loop to the song s start after the 160th position Cp TRACKER L 2 4 The sequencer screens allows to program the sequence precisely The common tracker layout is used each line represents a step From left to right are the note and octave accent and slide enables oscillator type arpeggio and percussion name The notes can range from C 2 to B 4 3 full octaves START Play pattern and loop SELECT START Play song A L R Semitone A U D Octave B A on note clear B A on empty note off A U D on drums 4 B A on arp 0 A U D L R on accent or slide toggle A only on note copy A only on drum copy A on empty paste gt gt BOB BOB BOB BOB BOB P X B o P 2 2 2 2 2 2 2 2 2 1 1 2 92 9 1 1 2 21212 2 22 OI 7 7 5 TO HOO HOO am al NTA 7 X 8 Slide activates a
4. OR SAVING AMD LOADING DISABLED If the error persists after reset and cleaning there are three choices Continue using GB 303 with the save and load functionalities disabled Send the cartridge for repair to try and retrieve data do NOT format Say goodbye to all your saved data and try formatting to factory settings Warning Once the saves are formatted there is no way of getting back your data If the EEPROM ERROR persists after a format and a reset please contact technical support see page 15 12 e i 7 us HW ERROR JN tu ERROR Something went wrong with the chip handling the pots POT CONTROLS This should only happen if the GB 303 cartridge is physi DISABLED cally damaged You can continue using GB 303 with pad controls only If the error persists after reset and cleaning please contact technical support Broken pots The parts most likely to break are the pots A broken pot will give erroneous control instead of a HW ERROR In this case you can either send the GB 303 cartridge for servicing or repair it your self The part number is ALPS RK09K1130C79 Please be aware that if you chose to modify or replace components of the cartridge any damages caused are of your sole responsability 14 WARNING Using a cheating device like the Action Replay can allow great hacks but can also lead to save corruption If you are going to use such a de vice don t be too attached to your pat
5. Song 6 Screen Memory 11 Screen Tracker 7 Troubleshooting 12 Screen Piano roll 8 Tech support 15 Similarly to LSDJ SELECT DIRECTIONS allows navigation between screens which are organized in 3 lines From top to bottom are Live L 5 edition screens STPXC and Memory M GB 303 always boots up in the Tracker T screen Holding SELECT shows a map of the screens in the center of the display The current screen is highlighted 7 Note The Memory M screen is not available during play This is to avoid choppy sound while saving CH 0 LIVE Access SELECT UP from any edition screen START Play pattern and loop SELECT START Play song UP DOWN LEFT RIGHT moves the highlighted cursor A validates A LEFT RIGHT changes distortion or oscil lator OSC The value of each pot is shown in hexadecimal next to Fl Fal MA each pot icon Pot mapping matrix See page 5 When chosing an oscillator shape in the live screen all oscillator values in patterns are overriden Pressing A LEFT 2 times disables oscillator override hidden arrow Note Distortion type is saved for each song and not for each pattern Pressing B wherever the cursor is toggles the drum track B icon next to LIV Exiting the live screen re enables the drum track 4 fob KNOBS Each of the 3 pots can be assigned to 6 different parameters Their values affect the sound from any screen Assignments are save
6. attern settings are only saved after a song or pattern save in the Memory M screen Note Sync mode can t be changed during play No sync Internal clock only link port isn t used LSDJ Slave Receives beat clock from LSDJ in master mode LSDJ MIDI In Receives MIDI messages from the special MIDI OUT ver sion of LSDJ Nano Master Sends Nanoloop master sync Full MIDI Controls the synth with the Nanoloop USB MIDI adapter on MIDI channel 1 notes 48 to 83 Note off triggered on note off message or velocity O 10 B MEMORY Access Only while not playing SELECT DOWN from any edition screen Ure UP DOWN Moves the highlighted cursor A validates Current Number and name of the currently loaded song and pattern Dump Sends the whole memory contents through the link port for backup Note In the Memory screen it is impossible to start playing a song or a pattern This is to avoid save corruption Note Before a whole song is played the current pattern is automatically saved WARNING The format procedure after confirmation erases all the memory songs and patterns and resets it to factory settings WARNING Do NOT turn off your GameBoy while saving 1 1 SS p 0 E Error reports are only shown when starting GB 303 There are two kinds possible EEPROM and HW HardWare errors EEPROM ERROR Something went wrong with the chip dedicated to saves N EEPROM ERR
7. d with every song but can be overriden with the Pat tern overrides option in the Config C screen CUTF Cutoff filter cutoff frequency 96 steps RESO Resonance filter resonance intensity 16 steps PITC Main pitch shift 128 steps SLID Slide speed fixed on the TB 303 128 steps LFOS LFO speed frequency 32 steps LFOA LFO amplitude 16 steps Note In case a parameter is assigned to multiple pots the rightmost one has the priority over the others Note For GBA SP users press START on startup to reverse the pots order 3 The Song screen is split in two screens SNGA and SNGB making 5x16x2 160 pattern numbers per song When going right after the rightmost column screen is switched to SNGB when going left before the leftmost column screen is switched to SNGA 6666 66 2 12 2 2 212122 2 2 212 START Play pattern and loop SELECT START Play song UP DOWN LEFT RIGHT moves the highlighted cursor A LEFT RIGHT increments decrements pattern number A UP DOWN increments decrements by 10 B A sets the stop point represented by alla lalallala alal t lala 622126066 a 212 2 212 2 2 2 21
8. terns WARNING If you are using an overclock mod on your GameBoy please set it to the original GameBoy clock setting or lower before saving This can also cause troubles during playback AL ES i des www furrtek org gb303 SH Y1 0 WT v1 furrtek amp a gmail com Software and wavetable versions as seen in the credits screen For any questions please indicate your GB 303 version number as seen on the bottom of the credits screen and the GameBoy type on which the problem occurs ij 8 D oH Code gfx amp hardware Furrtek Testing 2080 2xAA DJPIE Jankenpopp Mr Megahertz Sabrepulse Ultrasyd Support Cyberic Jazzmarazz KeFF Nitro2k01 the Chipmusic org forums Kitsch Bent 3 L CL cu gt LI Mh wd 1 1 wl ee D 4 redi gt lt au ox glu Qum 6 E p i ame b ug Game Boy Color and Game Boy A vance d iba trademarks of Nin endo Co l a trademark of Datel Design amp Development Ltd Ji ered trademark of Roland Corporation and or Roland Corporation ns Fas 4 c EE cn amp
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