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Boss GX-100 Reference Manual

Guitar effects processor
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GX-100
Reference Manual
Before using this unit, carefully read the information in "USING THE UNIT SAFELY" and "IMPORTANT NOTES" (the leaflet "USING
THE UNIT SAFELY"). After reading, keep the document(s) where it will be available for immediate reference.

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Summary of Contents for Boss GX-100

  • Page 1 GX-100 Reference Manual Before using this unit, carefully read the information in “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (the leaflet “USING THE UNIT SAFELY”). After reading, keep the document(s) where it will be available for immediate reference.

  • Page 2: Table Of Contents

    Attaching the BT-DUAL ............50 Listening to sound via wireless connection with a mobile device ................50 Controlling the GX-100 from a mobile device app ... 52 Footswitch and expression pedal settings...... 53 Assigning a function ............... 53 ASSIGN SETTING ................. 54 TARGET list....................

  • Page 3: Getting Ready

    Getting ready This chapter explains how to get ready to play with the GX-100, including connecting the devices, the instruments to use, how to make the basic settings suitable for your amp and so on. Connecting the equipment Name of jack, port or connector Explanation Connect your guitar here.

  • Page 4: Turning The Power On/Off

    Explanation CTL3, 4/EXP2 You can control various parameters by connecting an expression pedal (Roland EV-5, BOSS EV-30: sold separately) or a footswitch (FS-5U, FS-6, FS-7: sold separately). * Use only the specified expression pedal. Connecting expression pedals made by third-party manufacturers may cause this unit to malfunction.

  • Page 5: Turning The Power Off

    Getting ready Press the [POWER] button to turn on the power of the GX-100. When you turn the unit on, the following screen appears. If the Auto Off function is set to “OFF”, this screen doesn’t appear. To change the Auto Off function settings, touch <SETUP>. For details, refer to “Making the power automatically turn off after a time (AUTO...

  • Page 6: Making The Power Automatically Turn Off After A Time (Auto Off)

    Getting ready Making the power automatically turn off after a time (AUTO OFF) The power to this unit turns off automatically to save energy after a certain amount of time (20 minutes by default) has passed since it was last used or since its buttons or controls were operated.
  • Page 7 Getting ready Touch the screen to set the Auto Off function. Value Explanation The power does not turn off automatically. 20 MIN (factory setting) The power turns off automatically after you have not played your instrument or operated the unit for a certain amount of time (20 min., 1 1 HOUR hr., 5 hr., 10 hr.).

  • Page 8: Configuring The Input To Match The Instrument You Connect

    Getting ready MEMO If you set Auto Off to “20 MIN”, “1 HOUR”, “5 HOURS” or “10 HOURS”, the time remaining (in minutes) before the unit turns off is shown from five minutes prior to shutdown. A countdown begins at the one-minute mark, as shown onscreen. The screen returns to the previous state once you operate the unit or play your instrument.
  • Page 9 Getting ready Turn the [3] knob to select “GUITAR” or “BASS”. Turn the [4] knob while watching the level meter at the top right-hand part of the screen to adjust the input level. Adjust the input levels so that the yellow peak indicator lights momentarily when a guitar is strummed strongly.
  • Page 10 Getting ready To configure INPUT SETTINGS: 2–10, use the [1] knob to select the setting, and repeat steps 3–4. The blue-colored setting that’s selected using the [SELECT] knob is the setting that’s currently used (SYSTEM). MEMO ¹ You can select INPUT SETTINGS for each memory. Select 1–10 or SYSTEM in the INPUT SETTING of MASTER for the last component in the effect chain.

  • Page 11: Naming Input Settings: 1-10

    Getting ready ¹ You can name and save INPUT SETTINGS: 1–10. For details on the settings, refer to “Naming INPUT SETTINGS: 1–10 (p. 11)”. Naming INPUT SETTINGS: 1–10 Touch <NAME EDIT> on the screen. Use the PAGE [÷] [ø] buttons to move the cursor and use the [SELECT] knob to change the character. Operation Function Turn the [2] knob...

  • Page 12: Specify The Type Of Amplifier You Have Connected

    Getting ready MEMO You can also write the name by pressing the [WRITE] button. Specify the type of amplifier you have connected Press the [IN/OUT SETTINGS] button. Touch <OUTPUT SELECT> on the screen (or press the [2] knob).

  • Page 13: Adjusting The Volume

    MEMO In order to take full advantage of the GX-100’s capabilities, we recommend that you connect to an input that is not affected by a preamp; for example, you should connect to a RETURN jack rather than to a guitar input jack which is affected by the preamp of your guitar amp.
  • Page 14 Getting ready Press the [C2/TUNER] switch. The tuner screen appears. MEMO ¹ You can also start the tuner from the play screen by pressing the PAGE [Í] button. Ø“About the play screen (p. 19)” ¹ With the factory settings, you can move the expression pedal to minimum setting to start the tuner. See “Footswitch and expression pedal settings (p.
  • Page 15 Getting ready Monophonic (normal) display Monophonic (streaming) display Polyphonic display...

  • Page 16: Tuner Settings

    Sound will not be output while tuning. BYPASS While tuning, the sound of the guitar being input to the GX-100 will be output without change. All effects will be off. THRU Allows you to tune while hearing the current effect sound.

  • Page 17: Playing

    Playing This section explains the basic operations when you are playing, including how to select the preset and user memories stored in the GX-100, how to switch the individual effects on/off, the screens that are displayed and so on. Selecting a memory A combination of effects and their settings is called a “memory”.
  • Page 18 Playing On other play screens, you can switch between memories by horizontally swiping the memory number and memory name at the top of the screen.

  • Page 19: About The Play Screen

    Playing MEMO You can also change memories by turning [SELECT] knob below the display. About the play screen The screen that appears after you turn on the power is called the “Play screen”. You can press the PAGE [÷] [ø] buttons to switch between display modes on the play screen (tuner Ð memory number display mode Ð memory name display mode Ð...

  • Page 20: Control Mode

    Playing Control mode You can touch the screen to switch between banks and memories and operate the assigned functions, in the same way as when you use the footswitches on the top panel. Chain mode Shows how the effects are arranged together for the selected memory. * You can’t edit the effects chain using touch operations on the play screen when in chain mode.

  • Page 21: Assigning Favorite Parameters To [1]-[4] Knobs

    Playing MEMO Drag the respective parameters in the lower part of the screen to the left or right to change their values. You can also use the [1]–[4] knobs below the screen to change the values. Assigning favorite parameters to [1]–[4] knobs Here’s how to assign the parameters that are controlled by the [1]–[4] knobs when the play screen is shown.

  • Page 22: Selecting The Control Mode

    Playing Touch <KNOB SETTINGS>. Turn the [SELECT] knob to select the knob you want to set. Turning the knob will move the selected item vertically. Use the [2] and [3] knobs to edit the settings of the selection parameters (CATEGORY, TARGET) for each knob. For the parameters to set, refer to “TARGET list (p.
  • Page 23 Playing Parameter Explanation This mode lets you recall and use the memories that are saved in the MEMORY unit. (Memory mode) Use number switches [1]–[4] to switch memories. * With the factory settings, long-pressing the [C2/TUNER] switch puts the unit in manual mode. * Even in memory mode, you can select functions other than memory recall.
  • Page 24 Playing Touch the icons on the screen to select the control mode. Assigning the switches in manual mode In manual mode, the functions that are assigned to [1]–[4] switches can be changed as follows. Press the [CTL/EXP] button.
  • Page 25 Playing Touch <ASSIGN SETTINGS>. The ASSIGN SETTINGS screen appears. Turn the [SELECT] knob to select ASSIGN NUMBER (NUM). Turning the knob will move the selected item vertically. Use knobs [1]–[4] to select parameters or edit the values.
  • Page 26 Playing Knob Setting Explanation SOURCE Selects the [1]–[4] switches (MAN 1–MAN 4) for which functions are to be assigned in manual mode. MODE Selects the operation mode for the footswitch you selected using the [1] knob. TOGGLE: Toggles the setting on/off each time you press the footswitch.

  • Page 27: Editing: Effects

    Editing: Effects This section explains how to arrange the effects, how to edit individual effects, how to store them in memory after editing and so on. Basic procedure for effect editing Effect chain screen The effect chain screen shows all of the effects used by the selected memory, as well as the output, send/return arrangement (effect chain) and so on.
  • Page 28 Editing: Effects Drag the respective parameters at the bottom of the screen to the left or right to change their values. Use the PAGE [÷] [ø] buttons to switch between the parameters that you want to edit. The current page is indicated in the lower center of the screen.

  • Page 29: Effect Placement

    Editing: Effects MEMO You can also display the edit screen (KNOB VIEW) by touching the icon of the effect you want to edit in step 1, and then long-pressing the [SELECT] button. Drag the parameter icons up and down to change their values. Use the PAGE [÷] [ø] buttons to switch between the parameters that you want to edit.
  • Page 30 Adding effects to the chain (insert) Touch <EFFECTS PALETTE>. The icons representing all of the effects you can use on the GX-100 are shown in the top row (palette) of the screen. The bass effects are shown after the guitar effects.
  • Page 31 This places BOOST between X-COMP and OD. Replacing effects in the chain with other effects (overwrite) Touch <EFFECTS PALETTE>. The icons representing all of the effects you can use on the GX-100 are shown in the top row of the screen.
  • Page 32 Editing: Effects Drag an effect icon from the top row of the screen onto the top of the effect you want to replace. In this example, we replace OD in the chain with BOOST. A confirmation message appears once you release your finger. Touch <OK>.
  • Page 33 Editing: Effects Moving effects in the chain Hold down an icon and drag it from left to right to change the effect’s order in the chain. MEMO With the effect icon selected, hold down and turn the [SELECT] knob to move the effect. Deleting effects from the chain Hold down the icon of the effect you want to delete in the effect chain at the center of the screen, and drag it to the palette at the top row on the screen.
  • Page 34 Editing: Effects Touch <OK> (or press the [4] knob). To cancel, touch <CANCEL> or press the [3] knob. You can also use the following method to delete an effect. Touch the icon of the effect you want to delete in the effect chain, shown in the center of the screen. Touch <...

  • Page 35: Switching Tones Without Interrupting The Sound

    Editing: Effects Rearranging effects by operating the buttons or knobs You can use the buttons or knobs to insert, overwrite and delete effects, without using the touch panel. Inserting Press the button to toggle between the palette and chain. Palette is active (the effect selected on the palette is highlighted) Chain is active (the effect selected in the chain is highlighted) Toggle with the [EFFECTS] button...

  • Page 36: Preserving The Tail Of The Effect (Delay, Reverb, Etc.) When The Effect Is Switched Off (Carryover)

    Editing: Effects The settings of the effect used before switching are placed in parallel with the settings used after switching. Preserving the tail of the effect (delay, reverb, etc.) when the effect is switched off (carryover) The function that preserves the tail of an effect (such as delay or reverb) even after the effect is switched off is called “carryover”. Enabling carryover when switching memories To enable the carryover of the delay or reverb (included in the memory that you used before switching) after you’ve switched to a different memory, make the following settings.

  • Page 37: Saving A Memory

    Editing: Effects Enabling carryover when switching tones within a memory When you use the switches within a single memory that were assigned in manual mode or by using CTRL FUNCTION to turn the delay or reverb off, carryover is enabled once you turn on the individual CARRYOVER parameters for the delay or reverb in question. Saving a memory When you want to save a memory you have created, save it as a user memory by following the procedure below.
  • Page 38 Editing: Effects Touch <WRITE> (or press the [1] knob). Use knob [1] to select the save-destination (U01-1–U50-4). Hold down the [1] knob and then turn it to move between banks. You can use the [2]–[4] knobs to edit the name. To edit the memory name, use the PAGE [÷] [ø] buttons to move the cursor and use the [SELECT] knob to change the character.
  • Page 39 Editing: Effects Operation Function Press the [3] knob Deletes one character (delete) Turn the [SELECT] knob Changes the character Press the [4] knob Inserts one space (insert) Moves the cursor Press the [÷] [ø] buttons Touch <DELETE ALL> Deletes all characters Touch <EXEC: [WRITE]>...

  • Page 40: Editing: Menu

    Editing: MENU This section explains how to make settings that are common to the entire GX-100 (system parameters). Basic menu operations For details on the parameter (SYSTEM parameter), refer to the “GX-100 Parameter Guide” (BOSS website). Press the [MENU] button.

  • Page 41: Adjusting The Contrast (Brightness) Of The Display

    Editing: MENU Drag the parameter icons up and down to change their values. MEMO You can also use the [1]–[4] knobs below the parameter icons to change the values. Selecting menus with the buttons or knobs You can use the buttons or knobs to select menus or sub-menus instead of using the touch panel. Turn the [SELECT] knob to select either the top row or the bottom row of the menu.

  • Page 42: Setting The Colors For The Display And Footswitches

    Editing: MENU Touch <HARDWARE SETTINGS>. Touch <LCD BRIGHTNESS>. Drag the <LCD BRIGHTNESS> up and down to adjust the brightness. MEMO You can also use either the [1]–[4] knobs below the screen or the [SELECT] knob to edit the value. Setting the colors for the display and footswitches This function includes the settings for the colors of the display and the LED indicators.
  • Page 43 Editing: MENU Press the [MENU] button. Touch <HARDWARE SETTINGS>. Touch <COLOR MODE>. Touch to select either the TYPE 1 or TYPE 2 setting.

  • Page 44: Restoring The Factory Settings (Factory Reset)

    Restoring the factory settings (factory reset) Restoring the GX-100’s settings to their original factory settings is referred to as “Factory Reset”. You can restore all of the settings to their factory- set values, and you can also specify certain items to be reset.
  • Page 45 Editing: MENU Specify the factory reset range by using the [1] and [2] knobs to set <FROM> and <TO>. Parameter Value Explanation FROM, TO SYSTEM System parameter settings U01-1–U50-5 Settings for Memory Numbers U01-1–U50-4 MEMO You can also use the [1] knob below the screen to set the “FROM” value. You can also use the [4] knob below the screen to set the “TO”...
  • Page 46 Editing: MENU Touch <EXEC: [WRITE]>. A confirmation message appears. Touch <OK> to execute the factory reset. To cancel factory reset, touch <CANCEL>. Once the Factory Reset is complete, the unit returns to the Play screen.

  • Page 47: Connecting To A Computer

    Using this unit as an Audio Interface You can record the sound of the GX-100 on your computer, or output the sound from your computer via the OUTPUT jacks of the GX-100. * Refer to the instruction manual for the software you are using to learn how to switch the input source of the software.

  • Page 48: Connecting With An External Midi Device

    Connecting with an external MIDI device On the GX-100, you can use MIDI to perform the following operations. * For details on MIDI, refer to “GX-100 Parameter Guide” (BOSS website). Operations from the GX-100 Operation Explanation Transmit program change messages When you select a memory  on the GX-100, the program change...
  • Page 49 Connecting with an external MIDI device If you’ve selected “MIDI SETTINGS” in the sub-menu, drag the parameter icon up/down to change the value. If you’ve selected “PROGRAM MAP” in the sub-menu, use knobs [1]–[4] to change the values.

  • Page 50: Wireless Connection With A Mobile Device

    Wireless connection with a mobile device Attach the Bluetooth® Audio MIDI Dual Adaptor (BT-DUAL, sold separately) to the GX-100 to wirelessly play back music on your mobile device, or to edit the effects of this unit from the app on your mobile device.

  • Page 51: Connecting An Already-Paired Mobile Device

    This explanation uses the iPhone as an example. For details, refer to the owner’s manual of your mobile device. Tap “GX-100 Audio”, shown on the Bluetooth device screen of your mobile device. This pairs the BT-DUAL with your mobile device. When pairing succeeds, “GX-100 Audio” is added to the list of paired devices on your mobile device.GX-100 * If you don’t complete the pairing within a certain time, the Bluetooth indicator goes dark and the unit exits pairing standby mode.

  • Page 52: Controlling The Gx-100 From A Mobile Device App

    This explanation uses the iPhone as an example. For details, refer to the owner’s manual of your mobile device. In the app’s settings, connect to GX-100 MIDI. NOTE Do not tap “GX-100 AUDIO 1,” “GX-100 MIDI 1” or similar indications shown in the Bluetooth settings of your mobile device.

  • Page 53: Footswitch And Expression Pedal Settings

    Footswitch and expression pedal settings You can assign a variety of functions to each of the top panel footswitches, the expression pedal (EXP1), and the expression pedal or footswitch connected to the rear panel CTL 3, 4/EXP 2 jack. Assigning a function Press the [CTL/EXP] button.

  • Page 54: Assign Setting

    MEMO The GX-100 lets you arrange multiple pedal effects in the effect chain like FOOT VOLUME, WAH and so on. In CONTROL FUNCTION, the pedal effect placed at the beginning of the chain (or at “A CH” in DIV/MIX) is enabled.
  • Page 55 Footswitch and expression pedal settings Turn the [SELECT] knob to select ASSIGN NUMBER (NUM). Turning the knob will move the selected item vertically. Use knobs [1]–[4] to select parameters or edit the values. Switch between pages using the PAGE [÷] [ø] buttons. Press the [SELECT] knob to turn the selected ASSIGN NUMBER (NUM) on/off.
  • Page 56 CUR NUM Assigns the same number switch as the selected memory number. BANK à Assigns the GX-100’s BANK [Ç] switch. BANK á Assigns the GX-100’s BANK [É] switch. CTL 1, CTL 2 Assigns the GX-100’s [C1]–[C2] switch. CTL 3, CTL 4 Assigns the external footswitch connected to the CTL 3, 4/ EXP 2 jack.
  • Page 57 Footswitch and expression pedal settings Parameter Value Explanation INTERNAL PEDAL (p. 83) TRIGGER *1 MEM CHANGE This is activated when memory is selected. EXP1 PDL-LOW This is activated when this unit’s expression pedal is set to the minimum position. EXP1 PDL-MID This is activated when this unit’s expression pedal is moved through the middle position.
  • Page 58 Footswitch and expression pedal settings Parameter Value Explanation TARGET MIDI PC# *4 1–128 Specifies the program number that is transmitted. OFF, 0–127 Specifies the bank select MSB that is transmitted. If this is OFF, the bank select MSB is not transmitted. OFF, 0–127 Specifies the bank select LSB that is transmitted.

  • Page 59: Target List

    Footswitch and expression pedal settings Long-press the [1]–[4] knobs for the parameter that you want to assign. The ASSIGN SETTINGS screen appears. The display automatically jumps to the ASSIGN NUMBER (NUM) that’s off. Press [SELECT] knob to turn the SW on. Turn the [2]–[4] knobs to edit parameters.
  • Page 60 Footswitch and expression pedal settings CATEGORY TARGET COMPRESSOR ON/OFF TYPE SUSTAIN ATTACK LEVEL TONE DIRECT MIX X COMPRESSOR ON/OFF ATTACK LEVEL TONE RATIO DIRECT MIX SUSTAIN BOOSTER ON/OFF TYPE BOOST TONE EFFECT LEVEL BOTTOM DIRECT MIX SOLO SW SOLO LEVEL OVERDRIVE ON/OFF TYPE...
  • Page 61 Footswitch and expression pedal settings CATEGORY TARGET DISTORTION ON/OFF TYPE DIST TONE EFFECT LEVEL BOTTOM DIRECT MIX SOLO SW SOLO LEVEL X DISTORTION ON/OFF DRIVE TONE EFFECT LEVEL BOTTOM DIRECT MIX SOLO SW SOLO LEVEL METAL DISTORTION ON/OFF TYPE DIST TONE EFFECT LEVEL BOTTOM...
  • Page 62 Footswitch and expression pedal settings CATEGORY TARGET PREAMP ON/OFF TYPE GAIN LEVEL BASS MIDDLE TREBLE PRESENCE GAIN SW SOLO SW SOLO LEVEL BRIGHT SW RESONANCE DIRECT MIX SP TYPE MIC TYPE MIC DISTANCE MIC POSITION MIC LEVEL PARAMETRIC EQ ON/OFF LOW GAIN HIGH GAIN LEVEL...
  • Page 63 Footswitch and expression pedal settings CATEGORY TARGET GRAPHIC EQ ON/OFF 31.5 Hz 63 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz 16 kHz LEVEL CHORUS ON/OFF TYPE DIRECT LEVEL RATE DEPTH EFFECT LEVEL LOW CUT HIGH CUT PRE-DELAY...
  • Page 64 Footswitch and expression pedal settings CATEGORY TARGET PRIME CHORUS ON/OFF RATE DEPTH EFFECT LEVEL PRE-DELAY WAVEFORM LOW CUT HIGH CUT SWEETNESS BELL OUTPUT MODE FLANGER ON/OFF RATE DEPTH RESONANCE MANUAL STEP RATE LOW CUT EFFECT LEVEL DIRECT MIX PRIME FLANGER ON/OFF RATE DEPTH...
  • Page 65 Footswitch and expression pedal settings CATEGORY TARGET PHASER ON/OFF STAGE RATE DEPTH RESONANCE MANUAL STEP RATE EFFECT LEVEL DIRECT MIX SCRIPT PHASER ON/OFF RATE DEPTH EFFECT LEVEL DIRECT MIX PRIME PHASER ON/OFF STAGE RATE DEPTH RESONANCE MANUAL WAVEFORM STEP RATE BI-PHASE SEPARATION LOW DAMP...
  • Page 66 Footswitch and expression pedal settings CATEGORY TARGET ROTARY ON/OFF SPEED SELECT SLOW RATE FAST RATE EFFECT LEVEL RISE TIME FALL TIME MIC DISTANCE ROTOR/HORN DRIVE DIRECT MIX VIBRATO ON/OFF RATE DEPTH TRIGGER RISE TIME EFFECT LEVEL PRIME VIBRATO ON/OFF RATE DEPTH COLOR EFFECT LEVEL...
  • Page 67 Footswitch and expression pedal settings CATEGORY TARGET RING MODULATOR ON/OFF INTELLIGENT FREQUENCY MOD RATE MOD DEPTH EFFECT LEVEL DIRECT MIX SLICER ON/OFF PATTERN RATE TRIGGER EFFECT LEVEL ATTACK DUTY DIRECT MIX HUMANIZER ON/OFF MODE VOWEL1 VOWEL2 SENS RATE DEPTH MANUAL LEVEL PITCH SHIFTER ON/OFF...
  • Page 68 Footswitch and expression pedal settings CATEGORY TARGET HARMONIST ON/OFF VOICE 1: HARMONY 1: LEVEL 1: PRE-DELAY 1: FEEDBACK 2: HARMONY 2: LEVEL 2: PRE-DELAY DIRECT LEVEL HR1: C HR1: D³ HR1: D HR1: E³ HR1: E HR1: F HR1: F´ HR1: G HR1: A³...
  • Page 69 Footswitch and expression pedal settings CATEGORY TARGET OVERTONE ON/OFF LOWER LEVEL UPPER LEVEL UNISON LEVEL DIRECT LEVEL DETUNE OUTPUT MODE HIGH OCTAVE ON/OFF -2 OCT -1 OCT DIRECT LEVEL POLY OCTAVE ON/OFF RANGE OCTAVE LEVEL DIRECT LEVEL DELAY ON/OFF TIME FEEDBACK EFFECT LEVEL DIRECT LEVEL...
  • Page 70 Footswitch and expression pedal settings CATEGORY TARGET DELAY PLUS ON/OFF TYPE DIRECT LEVEL MOD RATE MOD DEPTH DUCK SENS DUCK PRE DUCK POST CARRYOVER TIME FEEDBACK EFFECT LEVEL HIGH CUT TAP TIME AUTO TRIGGER MODE 1: TYPE 1: TIME 1: FEEDBACK 1: EFFECT LEVEL 1: HIGH CUT 2: HIGH CUT...
  • Page 71 Footswitch and expression pedal settings CATEGORY TARGET SPACE ECHO ON/OFF TIME FEEDBACK EFFECT LEVEL DIRECT LEVEL HIGH CUT MOD RATE MOD DEPTH DUCK SENS DUCK PRE DUCK POST HEAD WOW FLUTTER CARRYOVER SHIMMER DELAY ON/OFF TIME FEEDBACK EFFECT LEVEL DIRECT LEVEL HIGH CUT MOD RATE MOD DEPTH...
  • Page 72 Footswitch and expression pedal settings CATEGORY TARGET TWIST ON/OFF MODE TRIGGER LEVEL RISE TIME FALL TIME FADE TIME CARRYOVER WARP ON/OFF TIME TRIGGER LEVEL CARRYOVER REVERB ON/OFF TYPE TIME PRE-DELAY EFFECT LEVEL DENSITY LOW CUT HIGH CUT DIRECT LEVEL CARRYOVER REVERB PLUS ON/OFF TYPE...
  • Page 73 Footswitch and expression pedal settings CATEGORY TARGET SHIMMER REVERB ON/OFF TIME TONE EFFECT LEVEL DENSITY PRE-DELAY LOW CUT HIGH CUT LOW DAMP HIGH DAMP MOD RATE MOD DEPTH DUCK SENS DUCK PRE DUCK POST DIRECT LEVEL 1: PITCH 2: PITCH 1: LEVEL 2: LEVEL CARRYOVER...
  • Page 74 Footswitch and expression pedal settings CATEGORY TARGET SITAR SIM ON/OFF SENS DEPTH TONE EFFECT LEVEL RESONANCE BUZZ DIRECT MIX SLOW GEAR ON/OFF SENS RISE TIME LEVEL DEFRETTER ON/OFF SENS DEPTH TONE EFFECT LEVEL ATTACK RESONANCE DIRECT MIX TOUCH WAH ON/OFF FILTER MODE POLARITY SENS FREQUENCY...
  • Page 75 Footswitch and expression pedal settings CATEGORY TARGET S-BEND ON/OFF TRIGGER PITCH RISE TIME FALL TIME ON/OFF WAH TYPE PEDAL POSITION PEDAL MIN PEDAL MAX EFFECT LEVEL DIRECT MIX PEDAL BEND ON/OFF PITCH MIN PITCH MAX PEDAL POSITION EFFECT LEVEL DIRECT MIX FOOT VOLUME ON/OFF PEDAL POSITION...
  • Page 76 Footswitch and expression pedal settings CATEGORY TARGET MIXER MODE A LEVEL B LEVEL A/B BALANCE SPREAD SEND/RETURN ON/OFF MODE SEND LEVEL RETURN LEVEL ADJUST INVERT LOOP LOOP LEVEL BASS X COMP ON/OFF ATTACK LEVEL TONE RATIO DIRECT MIX THRESHOLD BASS OVERDRIVE ON/OFF DRIVE TONE...
  • Page 77 Footswitch and expression pedal settings CATEGORY TARGET BASS DISTORTION ON/OFF TYPE DRIVE TONE EFFECT LEVEL BOTTOM DIRECT MIX SOLO SW SOLO LEVEL BASS METAL DIST ON/OFF DIST TONE EFFECT LEVEL BOTTOM DIRECT MIX SOLO SW SOLO LEVEL BASS FUZZ ON/OFF FUZZ TONE EFFECT LEVEL...
  • Page 78 Footswitch and expression pedal settings CATEGORY TARGET BASS PREAMP ON/OFF TYPE GAIN LEVEL BASS MIDDLE TREBLE PRESENCE GAIN SW SOLO SW SOLO LEVEL BRIGHT SW RESONANCE DIRECT MIX SP TYPE MIC TYPE MIC DISTANCE MIC POSITION MIC LEVEL BASS CHORUS ON/OFF TYPE RATE...
  • Page 79 Footswitch and expression pedal settings CATEGORY TARGET BASS PRIME FLANGER ON/OFF RATE DEPTH RESONANCE MANUAL TURBO WAVEFORM STEP RATE SEPARATION EFFECT LEVEL LOW DAMP HIGH DAMP DIRECT MIX LOW CUT HIGH CUT BASS PHASER ON/OFF STAGE RATE DEPTH RESONANCE MANUAL STEP RATE EFFECT LEVEL DIRECT MIX...
  • Page 80 Footswitch and expression pedal settings CATEGORY TARGET BASS PITCH SHIFTER ON/OFF VOICE DIRECT LEVEL 1: PITCH 1: MODE 1: FINE 1: PRE-DELAY 1: LEVEL 1: FEEDBACK 2: PITCH 2: MODE 2: FINE 2: PRE-DELAY 2: LEVEL...
  • Page 81 Footswitch and expression pedal settings CATEGORY TARGET BASS HARMONIST ON/OFF VOICE 1: HARMONY 1: LEVEL 1: PRE-DELAY 1: FEEDBACK 2: HARMONY 2: LEVEL 2: PRE-DELAY DIRECT LEVEL HR1: C HR1: D³ HR1: D HR1: E³ HR1: E HR1: F HR1: F´ HR1: G HR1: A³...
  • Page 82 Footswitch and expression pedal settings CATEGORY TARGET BASS SLOW GEAR ON/OFF SENS RISE TIME LEVEL BASS DEFRETTER ON/OFF SENS ATTACK TONE EFFECT LEVEL DIRECT MIX BASS TOUCH WAH ON/OFF FILTER MODE POLARITY SENS FREQUENCY RESONANCE DECAY EFFECT LEVEL DIRECT MIX BASS S-BEND ON/OFF TRIGGER...

  • Page 83: Virtual Expression Pedal System (Internal Pedal / Wave Pedal)

    MIDI CC# MIDI PC# * For more on categories aside from the effects, refer to the “GX-100 Parameter Guide” (BOSS website). * You can’t assign MIDI parameters to the [1]–[4] knobs in “KNOB SETTING”. Virtual expression pedal system (internal pedal / wave pedal) By assigning a desired parameter to the virtual expression pedal, you can produce an effect as though you were operating a physical expression pedal to change the volume or tone quality in real time.

  • Page 84: Adjusting The Expression Pedal (Pedal Calibration)

    Footswitch and expression pedal settings Adjusting the expression pedal (pedal calibration) Although this unit’s expression pedal has been set for optimum operation at the factory, extended use and the operating environment can result in the pedal going out of adjustment. If you encounter problems such as being unable to fully cut off the sound with the volume pedal or being unable to switch the PEDAL FX, you can use the following procedure to readjust the pedal.
  • Page 85 Footswitch and expression pedal settings Touch <PEDAL CALIBRATION>. The PEDAL CALIBRATION screen appears. Press the heel end of the pedal, and press the [WRITE] button. The screen will indicate “OK,” and then a screen like the following will appear.

  • Page 86: Connecting External Pedals

    Footswitch and expression pedal settings Press the toe end of the pedal, and press the [WRITE] button. The screen will indicate “OK,” and then a screen like the following will appear. Strongly press the toe end of the pedal. Verify that the PEDAL FX indicator lights when you strongly press the toe end. If you want to change the lighting sensitivity of the PEDAL FX indicator, repeat step 4 while you adjust the THRESHOLD value with the [4] knob.
  • Page 87 Footswitch and expression pedal settings FS-5U x 2 FS-5U x 1 FS-6 FS-7 Stereo 1/4” phone type 1/4” phone type Stereo 1/4” phone type Stereo 1/4” phone type 1/4” phone type x 2 1/4” phone type Stereo 1/4” phone type Stereo 1/4”...

  • Page 88: Looper

    Looper You can record what you play (up to 38 seconds in mono, and up to 19 seconds in stereo) and make the unit play back the recorded section over and over, as a loop. You can also layer additional performances with the recording as it plays back (overdubbing). This lets you create real-time backing performances on the fly.
  • Page 89 Looper For “CTL 1,” ”CTL 3,” and ”CTL 4,” set FUNCTION as follows. Parameter Value Explanation CTL 1 LOOPER CTL Starts recording. Each time you press the switch, operation alternates between playback and overdubbing. Press twice to stop playback. Long-press to erase the recording. CTL 3 LOOPER STOP Stops recording or playback.

  • Page 90: Loop Playback Level Setting

    Looper Recording Loop playback Overdub Recording will start immediately when The loop plays back. Recording will start immediately when you press the switch. Pressing the switch will switch to you press the switch. At the point where you want to loop, overdubbing.
  • Page 91 Looper Color Status Green (blink) Stopped (phrase exists) Blue Stopped (no phrase) MEMO When COLOR MODE is set to “TYPE 2”, the switches light up as follows. Color Status Recording Yellow Overdubbing Blue Playback Blue (blink) Stopped (phrase exists) Blue Stopped (no phrase)

  • Page 92: Error Message List

    Error message list Indication Meaning OUT OF RANGE! SET AGAIN. Displays when the expression pedal is not correctly set during calibration. ASSIGN SETTINGS IS FULL! Displays when an assign shortcut cannot be made because all 20 assignments have been set and are on. CHAIN IS FULL! Displays when 15 effects have been placed in the chain.

  • Page 93: Main Specifications

    Sampling Frequency AD Conversion 24 bits + AF method * AF method (Adaptive Focus method) This is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters. DA Conversion 32 bits...
  • Page 94 Main specifications Current Draw 1.2 A 0.1 W Power consumption when in OFF mode (when the power automatically turns off) 460 (W) x 193 (D) x 73 (H) mm Dimensions 18-1/8 (W) x 7-5/8 (D) x 2-7/8 (H) inches Maximum height: 460 (W) x 193 (D) x 94 (H) mm 18-1/8 (W) x 7-5/8 (D) x 3-3/4 (H) inches Weight...
  • Page 95 GX-100 Reference Manual Roland Corporation © 2024 Roland Corporation...