BOSSCO GX-100 User manual

GX-100
Reference Manual

Table of contents
2
Table of contents
Getting Ready .............................................................................3
Connecting the Equipment .................................................... 3
Turning the Power On............................................................. 5
Configuring the Input to Match the Instrument You
Connect .................................................................................... 6
Naming INPUT SETTINGS: 1–10...................................................8
Specify the Type of Amplifier You Have Connected .........10
Adjusting the Volume...........................................................11
Using the Tuner .....................................................................12
Playing ........................................................................................ 14
Selecting a Memory ..............................................................14
About the Play Screen ..........................................................16
Assigning Favorite Parameters to [1]–[4] Knobs .................18
Selecting the Control Mode .................................................19
Editing: Effects ......................................................................... 23
Basic Procedure for Effect Editing.......................................23
Effect Placement....................................................................26
Switching Tones Without Interrupting the Sound.............31
Preserving the Tail of the Effect (Delay, Reverb, etc.) when
the Effect is Switched Off (Carryover) .....................................31
Saving a Memory...................................................................33
Editing: MENU.......................................................................... 35
Basic MENU Operations ........................................................35
Adjusting the Contrast (Brightness) of the Display ..........37
Restoring the Factory Settings (Factory Reset) .................38
Turning Off the Auto Off Function ......................................40
Connecting to a Computer.................................................42
Connecting with an External MIDI Device ....................43
Wireless Connection with a Mobile Device..................45
Attaching the BT-DUAL.........................................................45
Listening to Sound via Wireless Connection with a Mobile
Device .....................................................................................46
Controlling the GX-100 from a Mobile Device App ...........48
Footswitch and Expression Pedal Settings...................49
Assigning a Function.............................................................49
ASSIGN SETTING.............................................................................49
TARGET list.......................................................................................53
Virtual Expression Pedal System (Internal Pedal / Wave
Pedal).................................................................................................66
Adjusting the Expression Pedal (Pedal Calibration)..........67
Connecting External Pedals .................................................69
Looper.........................................................................................70
Error Message List...................................................................72
Main Specifications ................................................................73

Getting Ready
3
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
INPUT
Connect your guitar here.
OUTPUT L/MONO, R
Connect these to your guitar amp or mixer. If using a mono connection, use only the L/MONO jack.
PHONES
Connect your headphones here.
SEND/RETURN
Connect an external effect processor here.
You can connect an external effects processor between the SEND jack and RETURN jack, and use it as
one of the GX-100’s effects processors.
The sound that is input to SEND/RETURN within the effect chain will be output to the SEND jack. The
sound that is input via the RETURN jack will be input to SEND/RETURN within the effect chain.
[GND LIFT] switch
This should normally be set to OFF. Noise may occur due to a ground loop when you connect an
amp to the EXT LOOP (SEND/RETURN) jack. The noise may be eliminated if you switch to LIFT.
AMP CTL 1, 2
By connecting this to the channel switching jack of your guitar amp, you can switch channels from the
GX-100.
CTL3, 4/EXP2
You can control various parameters by connecting an expression pedal (Roland EV-5: 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.

Getting Ready
4
Name of jack, port or
connector
Explanation
*Refer to 8.3. Connecting External Pedals(P.69) for the footswitch (FS-5U, FS-6 or FS-7, sold
separately) settings.
MIDI IN/OUT
Connect an external MIDI device here.
ă(USB COMPUTER)
Use a USB cable to connect to a computer and exchange audio/MIDI data between the GX-100 and the
computer.
DC IN
Connect the included AC adaptor here.
*Use the cord hook to secure the cord of the AC adaptor as shown in the illustration.
Ground terminal
Connect this to an external earth or ground. This should be connected when necessary.

Getting Ready
5
Turning the Power On
Turn the power on by following the steps below.
1. Turn down the volume of the connected device.
2. Connect your equipment to the OUTPUT jack(s).
3. Connect the guitar to the INPUT jack.
4. Turn on the power of the GX-100.
5. Turn on the power of the amp(s).
To turn the power off, reverse the order.
Touch operations do not work correctly if your fingers or other objects are touching the screen while you turn on the power.
Don’t touch the screen with your fingers or any other objects while you turn on the power.

Getting Ready
6
Configuring the Input to Match the Instrument You Connect
This shows you how to set the type of instrument to connect (guitar/bass), and how to adjust the input level to match the output
level of your instrument.
You can save up to 10 instrument type and input level settings.
1. Press the [IN/OUT SETTINGS] button.
2. Touch <INPUT SETTINGS> on the screen (or press the [1] knob).
3. Turn the [3] knob to select “GUITAR” or “BASS.”
4. Turn the [4] knob while watching the level meter at the top right-hand part of the screen to adjust the
input level.

Getting Ready
7
Adjust the input levels so that the yellow peak indicator lights momentarily when a guitar is strummed strongly.
5. 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).

Getting Ready
8
●
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.
or
●You can name and save INPUT SETTINGS: 1–10. For details on the settings, refer to “Naming INPUT SETTINGS: 1–10(P.8) .”
Naming INPUT SETTINGS: 1–10
1. Touch <NAME EDIT> on the screen.
2. Use the PAGE [÷] [ø] buttons to move the cursor and use the [SELECT] knob to change the character.

Getting Ready
9
Operation
Function
Turn the [2] knob
Selects the type of characters
Turn the [3] knob
Switch uppercase/lowercase
Press the [3] knob
Delete one character (delete)
Turn the [SELECT] knob
Changes the character
Press the [4] knob
Insert one space (insert)
Press the [÷] [ø] buttons
Moves the cursor
Touch <DELETE ALL>
Delete all characters
3. Touch <EXEC: [WRITE]> on the screen.
You can also write the name by pressing the [WRITE] button.

Getting Ready
10
Specify the Type of Amplifier You Have Connected
1. Press the [IN/OUT SETTINGS] button.
2. Touch <OUTPUT SELECT> on the screen (or press the [2] knob).
3. Turn the [4] knob or [SELECT] knob to select the item that you want to set.
*For details on the amp types, refer to the “GX-100 Parameter Guide.”
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.

Getting Ready
11
Adjusting the Volume
Use [OUTPUT LEVEL] knob to adjust the overall volume of the GX-100.
The output level is shown in the top right-hand part of the screen.

Getting Ready
12
Using the Tuner
The GX-100 is equipped with a conventional monophonic tuner which lets you tune your instrument one string at a time, and a
polyphonic tuner which lets you play and tune all of your open strings simultaneously.
1. Press the [C2/TUNER] switch.
The tuner screen appears.
You can also start the tuner from the play screen(P.16) by pressing the PAGE [÷] buttons.
Switching the tuner display
You can turn the [SELECT] knob to switch the tuner display.
Monophonic (normal)/polyphonic display
Monophonic (streaming)/polyphonic display

Getting Ready
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Monophonic (normal) display
Monophonic (streaming) display
Polyphonic display
Tuner Settings
To make tuner settings, use knobs [1]–[4] located below the display.
Knob
Parameter
Value
Explanation
[1]
REF. PITCH
435–445 Hz (default: 440
Hz)
Specifies the reference pitch.
[2]
TUNER
OUTPUT
MUTE
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.
*Only for monophonic tuner.
[3]
POLY TYPE
6-REG, 6-DROP D, 7-REG,
7-DROP A、
4-B REG, 5-B REG
Selects the type of tuning for the polyphonic tuner.
[4]
POLY OFFSET
-5–-1, ----
Adjusts the reference pitch of the polyphonic tuner in semitone units relative
to standard tuning.

Playing
14
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.”
Memory type
Explanation
User memory (U01-
1–U50-4)
Can be overwritten
Preset memory (P01-
1–P25-4)
Cannot be overwritten. However, you can write a Preset memory into the User area, modify the settings
to your needs and store your modified version in the User area.
Selecting a memory using footswitches on the top panel
1. Use the BANK [É] and BANK [Ç] switches to select a bank.
2. Use the [1]–[4] switches to select a memory within the selected bank.
Selecting a memory using the touch panel
You can swipe the memory number horizontally or vertically to switch between memories on the play screen(P.16) that appears
when the power is turned on.

Playing
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On other play screens, you can switch between memories by horizontally swiping the memory number and memory name at the
top of the screen.
You can also change memories by turning [SELECT] knob below the display.

Playing
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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 Ðmemory number display
mode Ðmemory name display mode Ðcontrol mode Ðchain mode).
Memory number display mode (the display mode used when turning on the power)
Memory name display mode
Control mode
You can touch the screen to switch between banks and memories, in the same way as when you use the footswitches on the top
panel.

Playing
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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. Touch the <EFFECTS> icon at
upper left, or press the [EFFECT] button to enter edit mode. For details, refer to “3.1. Basic Procedure for Effect Editing(P.23).”
Tuner mode
From memory number display mode, press the [÷] button to view this mode.
Drag the respective parameters at the bottom 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.

Playing
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Assigning Favorite Parameters to [1]–[4] Knobs
Here’s how to assign the parameters that are controlled by knobs [1]–[4] when the play screen is shown.
1. Press the [CTL/EXP] button.
2. Touch <KNOB SETTINGS>.
3. Turn the [SELECT] knob to select the knob you want to set. Turning the knob will move the selected item
vertically.
4. 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 “8.1.2. TARGET list(P.53).”

Playing
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Selecting the Control Mode
The control mode lets you choose how you want to operate the effects.
Long-press [C2] to switch the control mode.
Parameter
Explanation
MEMORY
(Memory
mode)
This mode lets you recall and use the memories that are saved in the unit.
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.
MANUAL
(Manual
mode)
This mode lets you use number switches [1]–[4] to operate the functions that are assigned to them by each
memory or by the settings for the entire system.
The play screen switches to the manual mode display of the control mode screen when the unit is set to manual
mode.
You can also follow the steps in 4.1. Basic MENU Operations(P.35) to switch the control mode.
1. Press the [MENU] button.

Playing
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2. Touch the <CONTROL MODE> icon on the screen.
3. 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.
1. Press the [CTL/EXP] button.
2. Touch <ASSIGN SETTINGS>.
The ASSIGN SETTINGS screen appears.