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Parameter Guide
© 2025 Roland Corporation
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  • Page 1 Parameter Guide © 2025 Roland Corporation...
  • Page 2: Table Of Contents

    Contents PHASER ........... . 24 Parameter list .
  • Page 3 Contents TUNER paremeters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 FX BYPASS paremeters .
  • Page 4: Parameter List

    Parameter list * Company names and product names appearing in this document INST TYPE common parameters (ALT TUNE) are registered trademarks or trademarks of their respective owners. * In this manual, company names and product names of the Lets you instantly switch between various tunings, while maintaining respective owners are used because it is the most practical way of the tuning of the guitar/bass guitar on which the divided pickup is describing the sounds that are emulated using DSP technology.
  • Page 5 Parameter list *5 Enabled when ALT TUNE TYPE is “USER”. When INST TYPE is DUAL Parameter Value Explanation GUITAR or DUAL BASS, either “A:” or “B:” is prepended to the parameter This determines the pitch of the name. sound added to the input sound, *6 Enabled when INST TYPE is E.GUITAR, E.BASS, ACOUSTIC, AC BASS, when you are making a harmony.
  • Page 6: Inst Type Common Parameters (String/Others)

    Parameter list INST TYPE common parameters (STRING/ Parameter Value Explanation Cuts the frequencies above the OTHERS) EQ HIGH CUT 20.0 Hz–16.0 frequency that you set. When FLAT kHz, FLAT is selected, the high cut filter has no These parameters are used to adjust the volume and pan for each effect.
  • Page 7: E.guitar Parameters

    Parameter list TYPE E.GUITAR parameters Value Explanation GUITAR (In GUITAR MODE) The sound of a Fender Stratocaster. Simulates the CLA-ST installation of three single-coil pickups (passive type). This models a guitar with three EMG active single-coil MOD-ST Parameter Value Explanation pickups.
  • Page 8: Guitar (In Bass Mode)

    Parameter list GUITAR (In BASS MODE) ACOUSTIC parameters ACOUSTIC Parameter Value Explanation Selects the electric guitar type. The sound of a Fender Stratocaster. Parameter Value Explanation Simulates the installation of three TYPE Selects the acoustic guitar type “TYPE” (p. 9). single-coil pickups (passive type).
  • Page 9: Ac Bass Parameters

    Parameter list TYPE E.BASS parameters TYPE Explanation BASS (In GUITAR MODE) The sound of a Martin D-28. Older model known for its MA28 exquisitely balanced sound. The sound of a Martin 000-28. This model features a full TRP-0 Parameter Value Explanation low-end resonance and crisp, distinct contour.
  • Page 10: Bass (In Bass Mode)

    Parameter list BASS (In BASS MODE) *6 Valid when the TYPE is set to FRETLESS. *7 Valid when the TYPE is set to VINT PB, PB, M-MAN, or FRETLESS. *8 Valid when the TYPE is set to VINT JB, JB, VINT PB, PB, T-BIRD, or Parameter Value Explanation...
  • Page 11: Dual Guitar Paremeters

    Parameter list DUAL GUITAR paremeters DUAL BASS parementers DUAL GUITAR DUAL BASS Parameter Value Explanation Parameter Value Explanation SINGLE Uses only one guitar, either “A” or “B”. Uses only one bass guitar, either “A” SINGLE or “B”. MODE Uses both “A” and “B” guitars at the MODE DUAL same time.
  • Page 12: Vio Guitar Parameters

    Parameter list VIO GUITAR parameters Parameter Value Explanation Emphasizes the attack portion of ATTACK 0–100 the harmonics sound. Larger values GUITAR emphasize the attack. Adjusts the volume of the direct DIRECT MIX 0–100 sound. Larger values increase the Parameter Value Explanation volume of the direct sound.
  • Page 13: Vio Bass Parameters

    Parameter list *3 Valid when the TYPE is set to M-MAN or ACTIVE. VIO BASS parameters *4 Valid when the TYPE is set to RICK. *5 Valid when the TYPE is set to VIOLIN. BASS *6 Valid when the TYPE is set to FRETLESS. *7 Valid when the TYPE is set to VINT PB, PB, M-MAN, or FRETLESS.
  • Page 14: Filter

    Modifies the nuances of the overtones. Selects the SYNTH type. OVERTONE 0–100 Larger values increase the overtones, This models the Roland GR-300, the giving the sound more depth. famed analog polyphonic guitar Varies the nuances of the attack synthesizer of yesteryear.
  • Page 15: In Guitar Mode)/Analog Gr (In Bass Mode)

    Parameter list GR-300 (in GUITAR MODE)/ANALOG GR (in BASS Parameter Value Explanation If this is “ON”, a sawtooth wave at the MODE) parameters same pitch as the original sound will be added to the hexa-VCO, making the sound richer. GR-300/ANALOG GR MEMO By setting the hexa-VCO’s pitch shift DUET SW...
  • Page 16: Solo Parameters

    Parameter list SOLO parameters FILTER BASS parameters SOLO FILTER BASS Parameter Value Explanation Parameter Value Explanation Adjusts the cutoff frequency, setting Adjusts the cutoff frequency, setting FILTER FILTER the brightness (hardness) of the sound. thebrightness (hardness) of the sound. 0–100 0–100 CUTOFF Thesound gets brighter (harder) as the...
  • Page 17: Crystal Parameters

    Parameter list CRYSTAL parameters ORGAN parameters CRYSTAL ORGAN Parameter Value Explanation Parameter Value Explanation This sets the decay time for the attack A long tone that’s one octave lower ATTACK FEET 16 0–100 0–100 portion of the sound. A smaller setting than the fundamental tone.
  • Page 18: Effect Parameters

    Parameter list EFFECT parameters Value Explanation Page With the volume level of the left and right sides alternately changing, when playing sound in stereo, you can get an effect that p. 24 FX1–FX3 makes the guitar sound appear to fly back and forth between the speakers.
  • Page 19: Auto Wah

    Parameter list AUTO WAH Parameter Value Explanation EFFECT LEVEL This changes the filtering over a periodic cycle, providing an automatic EFFECT LEVEL 1 0–100 Adjusts the volume of the effect sound. wah effect. EFFECT LEVEL 2 Parameter Value Explanation Selects the wah mode. WAVEFORM Produces a typical chorus effect.
  • Page 20: Compressor

    Parameter list COMPRESSOR DELAY This is an effect that produces a long sustain by evening out the Adds delayed sound to the direct sound, giving more body to the volume level of the input signal. sound or creating special effects. Parameter Value Explanation...
  • Page 21: Flanger/Flanger Bass

    Parameter list FLANGER/FLANGER BASS *1 Valid when the TYPE is set to other than DUAL-S, DUAL-P, DUAL L/R, or TWIST. *2 Valid when the TYPE is set to DUAL-S, DUAL-P, or DUAL L/R. The flanging effect gives a twisting, jet-airplane-like character to the *3 Valid when the TYPE is set to other than DUAL-S, DUAL-P, DUAL L/R, sound.
  • Page 22: Graphic Eq

    Parameter list GRAPHIC EQ Parameter Value Explanation HR1:PRE-DELAY Adjusts the time from when the direct sound is heard until the You can adjust the tone character in seven bands. 0–300 ms, BPM harmonist sounds are heard. Ō–ŀ HR2:PRE-DELAY Normally you can leave this set Parameter Value Explanation...
  • Page 23: Humanizer

    Parameter list HUMANIZER LIMITER This can create human vowel-like sounds. Attenuates loud input levels to prevent distortion. Parameter Value Explanation Parameter Value Explanation This sets the mode that switches the vowels. Selects the limiter type. It changes from VOWEL1 to VOWEL2 BOSS LIMITER Selects a stereo limiter.
  • Page 24: Pan

    Parameter list PEDAL BEND With the volume level of the left and right sides alternately changing, This lets you use the pedal to get a pitch bend effect. when playing sound in stereo, you can get an effect that makes the Typically, you will operate this using an expression pedal connected to guitar sound appear to fly back and forth between the speakers.
  • Page 25: Pitch Shifter

    Parameter list PITCH SHIFTER REVERB This effect changes the pitch of the original sound (up or down) within This effect adds reverberation to the sound. a range of two octaves. Parameter Value Explanation Parameter Value Explanation This selects the reverb type. Various different simulations of space are offered.
  • Page 26: Ring Mod

    Parameter list RING MOD SITAR SIM This creates a bell-like sound by ring-modulating the guitar/bass This simulates the sound of the sitar. sound with the signal from the internal oscillator. The sound can be Parameter Value Explanation unmusical and lack distinctive pitches. Adjusts the sensitivity of the sitar.
  • Page 27: Slow Gear/Slow Gear Bass

    Parameter list SLOW GEAR/SLOW GEAR BASS Parameter Value Explanation Adjusts the amount of wah effect applied in the range near the reference This produces a volume-swell effect (“violin-like” sound). frequency. RESONANCE 0–100 Parameter Value Explanation Higher values will produce a stronger tone which emphasizes the wah effect Adjusts the sensitivity of the slow gear.
  • Page 28: Wah

    Parameter list AMP 1/AMP2 (AMP Modeling) Simulates the response of the preamp, the size of the speakers, and You can control the wah effect in real time by the expression pedal. the type of cabinet. Parameter Value Explanation Parameter Value Explanation Selects the type of wah.
  • Page 29: Amp Type

    You can create an original SP TYPE by using a dedicated tool to load IR (Impulse Response) data into this unit. JC-120 This models the sound of the Roland JC-120. USER 1–16 Download the dedicated tool from the BOSS website.
  • Page 30: Chorus

    Parameter list CHORUS Parameter Value Explanation This setting is appropriate for mono MONO output. In this effect, a slightly detuned sound is added to the original sound OUTPUT MODE to add depth and breadth. Produces a rich spaciousness when STEREO stereo output is used.
  • Page 31: Compressor

    Parameter list COMPRESSOR DISTORTION This is an effect that produces a long sustain by evening out the This effect distorts the sound to create long sustain. volume level of the input signal. Parameter Value Explanation Parameter Value Explanation ON/OFF OFF, ON Turns this effect on/off.
  • Page 32: Eq 1, Eq2

    Parameter list EQ 1, EQ2 Value Explanation GUV DS This models a Marshall GUV’ NOR. You can adjust the tone character in four bands. DIST+ This models the sound of the MXR DISTORTION+. This models the sound of the BOSS MT-2. Parameter Value Explanation...
  • Page 33: Delay 1, Delay 2

    Parameter list DELAY 1, DELAY 2 REVERB Adds delayed sound to the direct sound, giving more body to the This effect adds reverberation to the sound. sound or creating special effects. Parameter Value Explanation Parameter Value Explanation ON/OFF OFF, ON Turns this effect on/off.
  • Page 34: Ns 1/Ns2 (Noise Suppressor)

    Parameter list NS 1/NS2 (NOISE SUPPRESSOR) FOOT VOLUME 1, FOOT VOLUME 2 This effect reduces the noise and hum picked up by guitar/bass This is a volume control effect. pickups. Since it suppresses the noise in synchronization with the Normally, this is controlled with the expression pedal connected to the envelope of the guitar/bass sound (the way in which the guitar sound CTL 2, 3/EXP 1 jack or CTL 4, 5/EXP 2 jack.
  • Page 35: Send/Return

    Parameter list MODE SEND/RETURN You can connect an external effects processor between the SEND jack Value Explanation and RETURN jack, and use it as one of the VG-800’s effects processors. The input to SEND/RETURN within the effect chain will be output to the SEND jack, and the input from the RETURN jack will be output following SEND/RETURN.
  • Page 36: Divider

    Parameter list DIVIDER BALANCER 1, BALANCER 2 This lets you branch channel “A” and channel “B” within the effect This adjusts the volume balance and panning for each of the routes chain. INST and NORMAL INPUT. MIXER BALANCER 2 DIVIDER BALANCER 1 Parameter Value...
  • Page 37: Master

    Parameter list MASTER About effects when a note value is selected as a setting These settings are applied to the overall patch. Parameter Value Explanation * When you specify a note value as the setting for a parameter MEMORY 0–200 Adjusts the volume of the patch.
  • Page 38: Control Assign Parameters

    Parameter list CONTROL ASSIGN parameters Value Explanation DS SOLO Switches the DISTORTION solo function on/off. AMP1 Turns the AMP1 on and off. CONTROL FUNCTION AMP1 SOLO Switches the AMP1 solo function on/off. AMP2 Turns the AMP2 on and off. You can control the parameters of the VG-800 by using the switches AMP2 SOLO Switches the AMP2 solo function on/off.
  • Page 39: Mode

    Parameter list MODE ASSIGN SETTING ASSIGN1–ASSIGN16 Value Explanation The setting is toggled OFF (minimum value) or ON TOGGLE (maximum value) with each operation. For each parameter, you can specify, in detail, which controller will control which parameter. You can create 16 sets of such assignments. The normal state is OFF (minimum value), and is ON MOMENT (maximum value) only while the controller is operated.
  • Page 40 Parameter list Parameter Value Explanation MIDI CC# The message is transmitted using the 0–127 specified controller number. MIDI CC# MIN Selects the minimum value of the 0–127 transmitted CC# message. MIDI CC# MAX Selects the maximum value of the 0–127 transmitted CC# message.
  • Page 41: Virtual Expression Pedal System (Wave Pedal)

    Parameter list Virtual expression pedal system (wave pedal) About the range of a target’s change By assigning a desired parameter to the virtual expression pedal, The target’s value changes between MIN (the minimum value) you can produce an effect as though you were operating a physical and MAX (the maximum value).
  • Page 42: Memory Midi

    Parameter list MEMORY MIDI About the Range of a Controller’s Change When you change memories, a program number and bank select message This sets the operational range within which the value of the are transmitted to an external MIDI device. setting changes when an expression pedal or other controller that changes the value consecutively is used as the source.
  • Page 43: Guitar To Midi/Bass To Midi

    Parameter list GUITAR TO MIDI/BASS TO MIDI Parameter Value Explanation You can achieve more natural dynamics by changing the Play Feel setting, according to how you play your These parameters are set for the GUITAR TO MIDI/BASS TO MIDI guitar or bass. function for each scene.
  • Page 44: Led Color

    Parameter list Parameter Value Explanation POSITION LIMIT Turns the position limit function on/ OFF, ON off. POSITION LIMIT NO LIMIT, 0–24FRET Sets the fret range within which the sound plays. POSITION LIMIT 0–24FRET, NO HIGH LIMIT You can output controller motions specified in SOURCE as control GK VOL, GK change messages.
  • Page 45: System Paremeters

    Select this when you’re using the 5STR-Hi1 5STR-Hi2 POSITION Roland GK-3. Select this when you’re using the High C-string GK-2A Roland GK-2A, or a commercially 1st string available guitar with a built-in 2nd string 3rd string divided pickup (13 pin type). GK TYPE 4th string GC-1 Select this when you’re using the...
  • Page 46 Parameter list Parameter Value Explanation Parameter Value Explanation This sets the direction you use to install the divided Sets the tuning you’re using on your guitar/bass. pickup. NORMAL Regular tuning. In this mode, the cable comes out OPEN D, OPEN from the sixth-string side.
  • Page 47: In/Out Setting Paremeters

    Choose this setting if the VG-800 is connected to JC-120 RETURN Adjusts the low frequency range the RETURN jack of the Roland JC-120 guitar amp. LOW GAIN -20–+20 dB tone. Choose this setting if the VG-800 is connected to...
  • Page 48: Usb Audio

    Parameter list Parameter Value Explanation Parameter Value Explanation Adjusts the reverb level specified for Changes the USB driver operation mode. This setting can’t each memory. be changed when the unit is connected via USB. To switch driver modes in this case, unplug the USB cable. It is useful to adjust the reverb level DRIVER appropriately for the space in which...
  • Page 49: Hardware Setting Paremeters

    Parameter list HARDWARE SETTING paremeters CATEGORY PARAMETER ON/OFF KNOB SETTING TYPE DISTORTION DRIVE TONE Parameter Value Explanation LEVEL Here you can assign the desired parameters to knobs ON/OFF [1]–[5] in the Play Screen. DELAY TYPE KNOB1–KNOB5 * The settings you make here are only for the knobs in DELAY1 DELAY TIME the Play Screen.
  • Page 50: Assign Hold

    Parameter list AUTO OFF CATEGORY PARAMETER USB AUDIO ROUTING USB AUDIO The power to this unit turns off automatically to save energy after a MIX LEVEL certain amount of time (20 minutes by default) has passed since it was OUT LEVEL last used or since its buttons or controls were operated.
  • Page 51: Tuner Paremeters

    Parameter list TUNER paremeters FX BYPASS paremeters The VG-800 tuner features three modes: single mode for tuning FX BYPASS is a function that bypasses all effects and outputs only the individual strings, multi mode for determining the pitch of all strings INST sound.
  • Page 52: Play Option Paremeters

    Parameter list PLAY OPTION paremeters MIDI paremeters Here you can specify how the pedals will work during performance. MIDI SETTING Parameter Value Explanation These parameters let you make settings for using MIDI, with the Use this mode to switch VG-800 connected to an external MIDI device or a computer. consecutively between the memories stored in this unit.
  • Page 53: Program Map Bank1-Bank2

    Parameter list GUITAR TO MIDI/BASS TO MIDI Parameter Value Explanation Operations are synchronized to the USB Clock received via USB. Parameter Value Explanation However, operations are automatically SYNC CLOCK USB-AUTO Sets the GUITAR TO MIDI/BASS TO synchronized to the VG-800’s internal MIDI function ON/OFF.
  • Page 54: Assign Target List

    ASSIGN TARGET list GUITAR MODE CATEGORY PARAMETER A:DELAY 1 A:DELAY 2 CATEGORY PARAMETER A:DELAY 3 TUNER ON/OFF A:DELAY 4 A:DELAY 5 MASTER A:DELAY 6 MEMORY LEVEL A:DELAY 7 INST:HARMONY:DUAL BPM TAP B:DELAY 1 DLY1 TAP B:DELAY 2 DLY2 TAP B:DELAY 3 FX1 DLY TAP B:DELAY 4 FX2 DLY TAP...
  • Page 55 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER ON/OFF ON/OFF BEND DEPTH 1 LOW CUT BEND DEPTH 2 LOW GAIN BEND DEPTH 3 LOW-MID FREQ INST:STR BEND B BEND DEPTH 4 LOW-MID Q BEND DEPTH 5 LOW-MID GAIN INST:EQ B BEND DEPTH 6 HIGH-MID FREQ BEND DEPTH 7 HIGH-MID Q...
  • Page 56 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER A:PICKUP SELECT A:VOLUME A:VOLUME A:TONE A:TONE A:REAR VOLUME A:TONE TYPE A:FRONT VOLUME A:SENS A:TONE TYPE A:DEPTH A:SENS A:ATTACK A:DEPTH A:RESONANCE A:ATTACK A:DIRECT MIX A:RESONANCE INST:DUAL GTR:E.GTR B:PICKUP SELECT A:DIRECT MIX INST:DUAL GTR:E.BASS B:VOLUME B:VOLUME B:TONE B:TONE...
  • Page 57: Bass Mode

    ASSIGN TARGET list BASS MODE CATEGORY PARAMETER MODE COMP SW CATEGORY PARAMETER CUTOFF TUNER ON/OFF RESONANCE ENV MOD SW MASTER ENV MOD SENS MEMORY LEVEL ENV MOD ATTACK BPM TAP PITCH SW DLY1 TAP PITCH A DLY2 TAP FINE A FX1 DLY TAP INST:SYN:GR-300 PITCH B...
  • Page 58 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER A:DELAY HiC STRING LEVEL HiC A:DELAY 1st STRING LEVEL 1st A:DELAY 2nd STRING LEVEL 2nd A:DELAY 3rd STRING LEVEL 3rd A:DELAY 4th STRING LEVEL 4th A:DELAY LoB STRING LEVEL LowB INST:HARMONY:DUAL INST:STRING(A) B:DELAY HiC STRING PAN HiC B:DELAY 1st STRING PAN 1st...
  • Page 59 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER ON/OFF A:MASTER VOLUME INST:NS B THRESHOLD A:REAR VOLUME RELEASE A:FRONT VOLUME TYPE A:VOLUME MASTER VOLUME A:TONE REAR VOLUME A:REAR TONE FRONT VOLUME A:FRONT TONE VOLUME A:TREBLE TONE A:BASS REAR TONE A:PU SELECT FRONT TONE A:TREBLE ON TREBLE A:BASS ON...
  • Page 60 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER A:PICKUP SELECT OVERTONE A:VOLUME ATTACK A:TONE POWER BEND A:TONE TYPE SLIDE TIME INST:VIO BASS:FILTER A:SENS OCTAVE A:DEPTH COLOR A:ATTACK TOUCH SENS A:RESONANCE LEAD EMPHASIS A:DIRECT MIX DRY LEVEL INST:DUAL BSS:E.GTR B:PICKUP SELECT TYPE INST:SYNTH B:VOLUME VOLUME...
  • Page 61: Common For Guitar Mode/Bass Mode

    ASSIGN TARGET list MEMO CATEGORY PARAMETER See “Common for GUITAR MODE/BASS MODE” (p. 61) for the other SENS ASSIGN TARGET for BASS mode. DEPTH TONE FX1:DEFRETTER Common for GUITAR MODE/BASS MODE FX2:DEFRETTER EFFECT LEVEL FX3:DEFRETTER ATTACK RESONANCE CATEGORY PARAMETER DIRECT MIX ON/OFF FX1, FX2, FX3 SENS...
  • Page 62 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER 100 Hz LOW CUT 200 Hz LOW GAIN 400 Hz LOW-MID FREQ FX1:GRAPHIC EQ 800 Hz LOW-MID Q FX2:GRAPHIC EQ 1.6 kHz LOW-MID GAIN FX1:PARAMETRIC EQ FX3:GRAPHIC EQ FX2:PARAMETRIC EQ 3.2 kHz HIGH-MID FREQ FX3:PARAMETRIC EQ 6.4 kHz HIGH-MID Q...
  • Page 63 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER SPEED SELECT TYPE RATE SLOW PEDAL POSITION FX1:WAH RATE FAST PEDAL MIN FX2:WAH FX1:ROTARY DEPTH PEDAL MAX FX3:WAH FX2:ROTARY RISE TIME EFFECT LEVEL FX3:ROTARY FALL TIME DIRECT MIX EFFECT LEVEL ON/OFF DIRECT MIX TYPE SENS GAIN...
  • Page 64 ASSIGN TARGET list CATEGORY PARAMETER CATEGORY PARAMETER ON/OFF MODE DIVIDER MODE CH SELECT RATE A/B BALANCE MIXER DEPTH A:PAN PRE-DELAY B:PAN EFFECT LEVEL A/B BALANCE BALANCER 1 WAVEFORM A:PAN LOW CUT B:PAN HIGH CUT A/B BALANCE DIRECT LEVEL BALANCER 2 A:PAN RATE1 B:PAN...

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