Hotone Ampero One User manual

USER'S MANUAL

For Firmware V1.0

DESIGN INSPIRATION

The contents of this manual are subject to change without notice.

Contents

Welcome

Effects List · · · · · · · · · · · ·

Notice ·

· ·

Effect Models List · · · · · · ·

Definitions

FX 1, FX 2, FX 3· ·

Panel · · · · · · · · · ·

· ·

· · ·

· ·

AMP· · · · · · · · · · · · ·

Getting Started· ·

· ·

NR · · · · · · · · · · · · ·

Main Display Screen and Device Lock Screen · ·

· ·

· · · 4

CAB/IR · · · · · · · · · · ·

Using the Screen

EQ · · · · · · · · ·

Touch Operation

DLY · · · · · · · ·

Main Knob · · · · · ·

· ·

RVB · · · · · · · · · · · · · ·

· · · · · · · · · · ·

Ampero One Tools·

· ·

Drum Machine Rhythms· · · · · · · · · · · · · · · · · · · · · · · ·

3 9

Tuner · · · · · · · · ·

· ·

Troubleshooting· · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

4 2

Drum · · · · · · · · ·

· ·

Technical Specifications ·

Looper

· ·

EXP Pedal

· · ·

· ·

Customizing your Ampero One·

· ·

· · ·

· ·

· · · ·

· ·

· · · 7

Edit · · · · · · · · · ·

· ·

Patch Edit Menu

· ·

Module Edit Menu ·

· ·

· · ·

Control Settings ·

· ·

· · ·

Current Settings

· ·

· · ·

Quick Access Paras · · · · ·

· ·

CTRL Settings

· · · · ·

Tap Tempo and Tap Divide ·

EXP Settings ·

· · · ·

SAVE · · · · · · · ·

· · · ·

GLOBAL· · · · · · ·

· · · ·

I/O · · · · · · · ·

· · · · ·

· · · ·

· ·

USB Audio · · ·

· · · ·

· · · · · ·

· · · ·

Footswitch

· · · ·

EXP 2/FS · · · ·

· · · ·

Display · · · · ·

· · · ·

About · · · · · ·

· · · ·

· · · · ·

· · · ·

Factory Reset·

· · · ·

· · · · · ·

· · · ·

· · · · ·

Suggested Setups·

· · · · ·

· · · ·

Using with your instrument and amp·

· · · · · ·

· · · ·

· · · · ·

1 7

Connecting to your amp's RETURN or Power Amp (Loudster)

INPUT · · ·

Connecting your mixer, interface, headphones, and other

equipment · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 8

Connecting to your computer as an audio interface · · · · · · · · · 1 9

Using the AUX IN line · · · · · · · · · · · · · · · · · · · · · · · · · · 1 9

Included Software · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2 0

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Welcome

Thank you for purchasing a Hotone product.

Please read this manual carefully to get the most out of your Ampero One.

Please keep this manual to use for further reference.

Notice

Please read this manual carefully. It contains information regarding the proper use of this product and other important information.

Warning

•Do not open the casing or attempt to modify the product or power supply. Hotone will not be responsible for product damage or bodily harm should the product be tampered with.

•To reduce the risk of hearing damage, do not use headphones at high volume for an extended period of time. Should you notice discomfort, discontinue use and see a medical professional immediately.

•Children using this product should be accompanied by an adult.

Environment

Avoid using the unit in any of the following conditions that could cause malfunction:

•Extreme environment (extremely hot or cold places, near heaters and other heat sources, under strong sunlight, etc.)

•Sandy or dusty places

•Places that are extremely humid or exposed to splashing water

•Places with lots of vibrations

Power Supply Safety

•Always use a DC 9V center negative adapter. Use of an adapter other than that specified could damage the unit or cause malfunction and pose a safety hazard.

•Always connect the adapter to an outlet that supplies the rated voltage required by the adapter.

•When disconnecting the adapter from an outlet, always pull the adapter itself. Pulling the cable will cause damage to the unit. Make sure to separate the power adapter and store in a safe place.

•During lightning storms or when not using the unit for an extended period, disconnect the adapter from the outlet.

•Make sure your hands are dry when plugging in the adapter.

Operation Safety

•Never put objects filled with liquids on the unit as this could cause electric shock.

•Never place candles and other burning objects on top of the Ampero One. Doing so could cause a fire.

•Ampero One is a precision device. Do not apply excessive force to the switches and other controls. Do not expose the unit to strong impact or drop it.

•Do not apply excessive force to the touchscreen or casing, which

DESIGN INSPIRATION

may cause malfunction.

•Do not place foreign objects (liquid or solid) into the product.

•The unit and power supply will become warm with extended use; this is normal.

Connections and Interference

•Turn off Ampero One and all other connected devices before connecting any cables to it.

•Disconnect the power supply and other line connections before moving Ampero One to another location.

•Ampero One is designed to resist external electromagnetic interference, but may produce static in some cases of strong electromagnetic interfere (e.g. high power transformers or wireless TV/phone equipment). Turn off any nearby electromagnetic equipment when using, if possible.

•Like all digital devices, Ampero One may experience malfunction and/or loss of data if exposed to strong electromagnetic interference. Please use caution.

Cleaning

Use a soft cloth to clean the panels if they become dirty. If necessary, slightly moisten the cloth. Never use cleansers, wax, or solvents such as paint thinner, benzene or alcohol.

Malfunction

•If the unit should malfunction, disconnect the power adapter and turn the power OFF immediately. Then, disconnect all other connected cables. For:

-Power adapter malfunction

-The unit or power supply emits an odor -Liquids or foreign objects entered the unit

-The unit has other obvious signs of malfunction (e.g. won’t turn on, knobs won’t work, won’t produce sound, etc.)

Prepare information including the model name, serial number, specific symptoms related to the malfunction, your name, address and telephone number and contact the store where you bought the unit.

Definitions

Module

Ampero One supports the simultaneous use of up to 9 effects. Each is called an “effects module”, or simply “module”. There are several effects available in each module.

Parameter

Variables that determine the application of an effect are called “parameters”. If we imagine each module as a separate effect pedal, then each parameter would be a knob on that pedal.

Patch

The ON/OFF status of each module and the parameter settings are stored in units called “patches”. These are your “tones”. Use patches to recall, edit, and save your favorite tones.

Bank

A set of 3 patches is called a “bank”. Ampero One has a total of 66 banks, including 33 editable player (user) banks and 33 factory banks (F01-F33), which can be adjusted by not saved.

Panel

				Amp Modeler / Effects Processor
2		1			3
VOLUME		1		MENU / VALUE
					5
				CTRL	H
					ol
					d
4		4		4	f
					o
					r
					T
					A
					P
	tuner		looper
● /		/		1/2 speed
				reverse

1.Display Screen: Displays Ampero One’s current status. Use the touchscreen to select effects, edit patches, and make tone adjustments.

2.Volume Knob: Adjusts the overall volume of all output connections.

3.MENU/VALUE Knob (Main Knob): Turning or pressing this knob

allows you to change menus and adjust parameters.

4.Footswitch: Use to change patches, turn on/off effects, set tap tempo, etc.

5.Expression Pedal: Use to control the parameter of one or several effects, including output volume.

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Panel

6	7	8	9	10	10	11	12
6	7	AUX IN	PHONES	10	10	USB	12
EXP 2/CTRL	INPUT				OUTPUT
(FS 4/5)				R	L(MONO)

6.EXP2/CTRL : 1/4” TRS input, for connecting an external expression pedal. Perfect for Hotone Soul Press or Bass Press.

7.INPUT: 1/4” mono input connection for guitar or other instrument.

8.AUX IN: 1/8” stereo input for connecting external devices (phone, MP3 player) for practice and jamming.

9.PHONES: 1/8” stereo output for connecting headphones.

10.OUTPUT: Unbalanced 1/4” TS stereo output connections to amplifiers or other equipment. For mono output, use only the left unbalanced output.

11.USB: USB Type-B connects to your computer for use with Ampero One software.

12.Power Supply Connection: Power supply input (9V DC center negative).

Getting Started

1. Connecting your Device

Plug your guitar in to the Ampero One input jack and run a cable from OUTPUT L to your amp. Please remember:

(1)Keep your amp volume down.

(2)Connect your cable to the amp’s FX Loop Return if it has one. See page 17.

2.Turn the Ampero One volume knob all the way down, then connect the power supply to turn Ampero One ON.

3.Calibrate the strings. Press left and middle footswitches together until the TUNER comes on the display screen. See page 5. Pluck each string and tune until the pitch reaches the middle of the screen and turns green, as below:

When finished, tap any footswitch again to exit the tuner.

4. Select a patch:

Tap left footswitch to move back through the patches, tap middle footswitch to move forward through the patches. Hold either footswitch for fast switching.

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Main Display Screen and Device Lock Screen

When Ampero One is turned on it will display the main screen, as shown below:

6 7 8 9

10	11	12
3	1	4
3	2	4

5 5 5

1.Current patch number

2.Current patch name

3.Patch selection back button

4.Patch selection forward button

5.Quick Access parameters (Quick Access Para) controlled by touch screen (or main knob). Press and hold the parameter name to change the parameter you’re controlling. See page 10.

6.CTRL/EXP gives you access to control settings. See page 9.

7.DRUM opens the drum machine settings. See page 5.

8.GLOBAL opens the global settings page. See page 14.

9.EDIT allows you to edit the current patch. See page 7.

10.Indicates the status of the built-in expression pedal (lit up when on, gray when off)

11.Hold to lock the device; touch screen and Main Knob won’t work when locked

12.Indicates the current patch tempo

When Ampero One is locked, it will display the device lock screen, as shown below:

Hold the unlock button to unlock the device. You can also unlock the device by entering other menus by footswitch (Tuner, Looper, etc.).

Using the Screen

Touch operation

Changing patches and editing settings can all be done with the touchscreen.

Main Knob

Turning the main knob lets you select the object you want to control. That object will light up when selected, then press the knob to confirm the selection.

•If the object selected is a button, it will respond as if you’d touched the button on the touchscreen.

•If the object selected is a parameter, you can use the main knob to adjust the parameter value. Pressing the main knob again will take you back to selection mode.

Reminder: The details of Ampero One’s use and programming may slightly vary under certain operational circumstances. Please read this manual carefully to get all the necessary information.

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Ampero One Tools

Ampero One is equipped with some great tools to expand your playing experience: a tuner, drum machine, looper, and expression pedal.

TUNER

In default mode, pressing left and middle footswitches together will open the tuner.

In tune

Exit tuner

Pitch flat

Adjusts the pitch calibration

On the upper part is a scale that indicates your pitch. Left of center is flat, and right of center is sharp. As you tune your instrument towards the middle, the color of the scale will change from red (out of tune) to yellow (near pitch) to green (in tune).

Use REF PITCH to adjusts the pitch calibration ranging from 432Hz to

Pitch sharp

Indicates the current note name

Selects tuner mode

447Hz. Standard pitch is set at 440Hz.

MODE lets you select the tuner mode from Thru (for signal through), Bypass (bypass tuning) or Mute (for silent tuning).

You can exit the tuner either by pressing any footswitch or by pressing the Back button on the touchscreen.

DRUM

Select DRUM on the main screen to access the drum machine.

Exit the menu

Play/stop button

Drum style list

Controls drum speed

BPM sync on/off switch

Controls drum machine output

Use the style list to scroll between genre styles. Ampero One has 100 drum styles. See page 39.

Use TEMPO to adjust the drum tempo, ranging from 40BPM-250BPM. Use VOLUME to adjusts the drum volume from 0-100.

Turn on BPM SYNC switch if you need to set drum tempo by Tap Tempo function. In this case, the drum tempo will be the same as

patch tempo.

Exit the drum machine menu by pressing BACK at the top left. Exiting the menu will not stop the drums from playing.

Reminder: Setting the drum tempo will affect patch tempo if you turn BPM SYNC ON.

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Ampero One Tools

LOOPER

In default mode, pressing footswitch 2 and the CTRL footswitch together will open the looper menu.

Exit looper			Record/play time
Current looper status
Reverse on/off switch			Record/play progress bar
1/2 speed on/off switch			Clear all recorded data
Drum machine on/off switch			Next patch
Drum sync on/off switch
			Previous patch

Controls looper recording level Switches looper position		Controls looper playback level
(pre/post effects)
The progress bar at the top will be shown in red during recording and	to 50 seconds.
overdubbing. It will be shown in green in play mode.	Use LOOP LEVEL to adjust the loop playback volume from 0-100.
Tap CTRL footswitch to turn on/off half speed playback (1/2 SPD),	Exit the looper by pressing BACK on the upper left of the screen.
hold CTRL footswitch to turn on/off reverse playback (REV). The
footswitch controls correspond with the 1/2 SPD and REV buttons on	You can use "Footswitch X" (X=1-3, corresponding to FS 1,2 and CTRL)
the touchscreen.	to assign function of footswitch in looper page. The function includes
When you record phrases with drum rhythms, you can sync drum	the following:
rhythms to your loop phrase by turning on drum sync switch. Please	Rec/Play: Tap to recording, then tap again to start playback
note that some unusual operations (e.g. randomly play/stop	Drum Rec/Play: Start drum when starting to record
looping/drum machine or change drum style/tempo) may break the	Stop/Clear: Tap to stop recording and hold to clear
sync status. Switching 1/2 SPD and REV on/off won't affect this.	Drum Stop/Clear: Stop drum when stop recording
	FX: Tap to toggle 1/2 speed function. Hold to toggle reverse function.
Use REC LEVEL to adjust the loop recording level from 0-100.	(Violet LED on)
Use PRE/POST switch to select the looper position: before (Pre) or	1/2 SPD: On (Yellow LED on)/Off (Yellow LED off)
after (Post) your effects chain.	REV: On (White LED on)/Off (White LED off)
• In Pre mode, the looper will record mono audio without any effects,	Drum: On (Green LED on)/Off (Green LED off)
up to 100 seconds.	Looper Exit: Exit looper page
• In Post mode, the looper will record stereo audio with effects, up
Default Looper operation and status modes:

Operation	Function/Status		LED Color (FS 1)	LED Color (FS 2)
On with no data	Stop		None	None
Stop	Stop		Flashing green	Flashing green
Tap footswitch 1 when there’s no data	Record		Steady red	None
Tap footswitch 1 while recording, overdubbing, or paused	Play		Steady green	Steady Green
Tap footswitch 1 while loop is playing	Stop		Flashing green	Flashing green
Tap and hold footswitch 2	Clear		Quickly flashing green	Quickly flashing green
Each time a recorded loop plays from the beginning	Play		Single flash	Single flash
Reminder:

1.When the loop recording reaches it’s time limit, the looper will automatically stop the recording and begin playback.

2.When the looper is in Post mode, changing patches will not change already recorded loop phrases.

3.Half-speed and Reverse functions will affect all recorded loop phrases.

4.If you switch looper position while it’s running, the loop will automatically stop and be erased.

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Ampero One Tools

EXP Pedal

You can either use the built in expression pedal (EXP 1) or connect your own (EXP 2) to control various Ampero One paramaters.

Some of Ampero One’s preset patches have been set up to use the built in expression pedal. These can be used without any further setup. For more on expression pedal settings. See page 11.

To turn the built in expression pedal on, press the pedal all the way forward so it clicks. The EXP 1 icon in Main Display Screen will come on to indicate the pedal is on:

To turn the pedal off, press the pedal all the way forward again so it clicks. The EXP 1 icon in Main Display Screen will come on to indicate the pedal is off:

Reminder:

1.When the built in expression pedal is off, it continues to work as a volume pedal for Ampero One. For more on volume pedal settings, see page 12.

2.You can use CTRL footswitch to switch built in expression pedal on/off. See page 10.

3.If your external expression pedal has an off switch and is turned off, it will not function.

4.If you use an external expression pedal, the display won’t show any message when it is connected. As soon as you connect and turn on an external expression pedal, it will function to control the effects parameter determined by the current patch. If the current patch does not have any effects controllable by expression pedal, the pedal will not function. See page 11.

Customizing Your Ampero One

This section will show you how to customize your Ampero One’s settings, edit patches, setup the expression pedal, and change other features to your taste.

EDIT

Edit your patches to get the tone you want.

Remember that turning the modules on/off and adjusting parameters will change the current patch. If you switch patches or turn Ampero One off before saving your changes, the changes will be lost.

Make sure to press SAVE on the upper right of the display screen to save your settings.

Patch Edit Menu

Select a patch from the main menu by using the forward/backward arrows on the screen. Tap left footswitch to move back through the patches, tap middle footswitch to move forward through the patches. Hold either footswitch for fast switching.

Exit editing

Indicates a module that is turned off

The highlighted frame indicates that the AMP module is selected

Turn the selected module on/off

Current patch number

Enter save menu

Indicateds a module that is turned on

Press to edit patch tempo and patch volume

Indicates the effect used in the selected module

Edit the selected module

The menu is made of ten icon squares representing Ampero One’s nine effects modules and a volume/tempo module. The default signal chain is ordered like this:

FX1 (select one)-FX2 (select one)-AMP (amp simulator)-NR (noise reducer)-CAB (cabinet simulator)-EQ (equalization)-FX3 (select one)-DLY (delay)-RVB (reverb)

FX1, FX2, and FX3 will hold effects of your choosing.

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	8
Customizing Your Ampero One
Press a square to select that module, then use the on/off button to	Press another square (or turn main knob to select a square and press)
turn that module on or off. Press EDIT to enter the module edit menu.	to insert into the selected position:
You can also use the main knob: turn it to select a module, then press
and click it to turn the module on or off. Press and hold the knob to
enter the module edit menu.
Current FX shows the effect on the current module.
When you select TEMPO/VOLUME square you can adjust the patch
tempo (40-250BPM) and the patch volume (0-99) with the touch
screen
To move a square to a different position, press a square twice (or turn
main knob to select a square and press it twice) to pick it up:
	Reminder: The VOLUME/TEMPO square is fixed at the end.

Module Edit Menu

Current patch number

Go back to patch edit menu

Previous module

Tap to turn the module on/off

Tap to see other parameters

(appears only when more than

3 parameters are available)

Parameter 1 Parameter 2 Parameter 3

Enter save screen

Effectslist

Next module

Slide to check available effects

Tap to select

Tap to see other parameters

(appears only when more than

3 parameters are available)

Use the module control panel to edit or turn the current module on/off.

Select an effect from the effects list.

The parameter panel shows the adjustable parameters of the effect selected.

If the selected effect has more than three adjustable parameters,

there will be an arrow at the right of the parameter panel. Press the arrow to see the other parameters.

For more information on modules, effects, and parameters. See page 21.

Reminder: In some extreme cases the signal processor may become overloaded and display a “System Overload” caution.

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Customizing Your Ampero One

CTRL

Use the control settings to determine the CTRL footswitch and Quick Access Para targets, setup the expression pedal parameters, and calibrate the expression pedal.

Remember that all the control settings will change as you change patches. If you switch patches or turn Ampero One off before saving your changes, the changes will be lost. Make sure to press SAVE on the upper right of the display screen to save your settings.

Press CTRL on the main menu to enter the control menu.

	Current patch number
Exit the menu		Enter save screen
Tap to select		Tap to select
Main menu		Sub menu
Main menu
		Options panel
Option 1	Option 2	Option 3

Make selections from the right and left panels.

Like the effects module parameter menu, the selection panel features three adjustable options. These options will change according to the current menu option.

If the selected menu has more than three adjustable options, there will be an arrow at the right of the selection panel. Press the arrow to see the other options.

Current Settings

Pressing Current Settings allows you to see the CTRL footswitch function for the current patch, the quick access knobs targets, and the expression pedal target.

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Customizing Your Ampero One

Quick Access Para

This menu allows you to set the parameter targets for the three Quick Access Paras under the current patch. The parameter targets can also be the effects parameters of the current effects module, patch volume and patch tempo.

Use MODULE to select the target module. If you don’t want the quick access para on, select OFF to turn its function off. When a quick access para is off, the parameter panel will display the status as shown:

The effect the current module is using will show up in the center of the selection panel.

Use PARA to select the parameter you want to control. The controllable parameters will vary with the different modules and effects. Refer to Effects List for more on the controllable parameters of different modules and effects.

Refer to Effects List for more on the controllable parameters of different modules and effects. See page 21.

You can press any parameter on the selection panel of the main menu as a quick access control target. This must be done on the touch screen, as shown below:

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CTRL Settings

Use the CTRL Settings menu to assign a function to CTRL footswitch or select which modules of the current patch will be controlled by the CTRL footswitch.

•Function

Under the Function option you can assign a function to CTRL footswitch. There are three FUNCTION selections:

Module/Tap: For controlling module on/off or tap tempo Tap Tempo: For tap tempo only

EXP 1 On/Off: For switching built in expression pedal on/off or tap tempo

When Module/Tap or EXP 1 On/Off is assigned to CTRL footswitch, you can use CTRL footswitch to switch module/built-in expression pedal on/off or tap tempo. You can press and hold CTRL footswitch to switch between the two functions:

- Module on/off switch

Repeatedly pressing the CTRL footswitch will turn it on or off, with green and red LED lights to show the on/off status respectively. The modules it controls will be affected when switching CTRL switch on/off. The CTRL footswitch is set on (green) by default. To set target modules, see Module/Tap Target section below for detailed info.

- EXP 1 on/off switch

Repeatedly pressing the CTRL footswitch will turn the built-in expression pedal on or off, with green and red LED lights to show the on/off status respectively.

- Tap Tempo

When Tap Tempo engaged, the footswitch LED will turn blue and will flash with the tempo set. Set the tempo by repeatedly tapping the footswitch. This tempo will apply to the delay time and other effects with adjustable speed parameters.

Customizing Your Ampero One

• Module/Tap Target

Use the Module/Tap Target menu to select which modules of the current patch will be controlled by the CTRL footswitch:

The 9 Ampero One effects modules are listed in the panel, with yes and no below each module to show if the CTRL footswitch is activated or not. In the example image above, FX1 and FX2 are controlled by the CTRL footswitch, whereas the AMP module is not. Slide (or use Main Knob) to change between yes/no, and press the arrows on the right/left to scroll through the modules.

Tap Tempo and Tap Divide

To use tap tempo function you can:

(1)Hold the footswitch when Module/Tap or EXP 1 On/Off function is assigned to CTRL footswitch

(2)Assign Tap Tempo function to CTRL footswitch

When in Tap Tempo, the footswitch LED will turn blue and will flash with the tempo set. Set the tempo by repeatedly tapping the footswitch. This tempo will apply to the delay time and other effects with adjustable speed parameters.

If you want a certain effect to be controlled by tap tempo, go into the patch settings, select an effect, then select SYNC. When you do this, the time will sync to the tap tempo value.

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You can also opt to use tap divide rather than time-based tempo. The default tap divide is set to quarter notes (1/4).

Tap divide values in relation to their musical beats are shown below:

	Beats
Time Value	(Quarter note as 1)	Display
Whole note	4	1/1
Half note	2	1/2
Dotted half note	3	1/2D
Half note triplet	4/3	1/2T
Quarter note (no divide)	1/1	1/4
Dotted quarter note	3/2	1/4D
Quarter note triplet	2/3	1/4T
Eighth note	1/2	1/8
Dotted eighth note	3/4	1/8D
Eighth note triplet	1/3	1/8T
Sixteenth note	1/4	1/16

EXP Settings

From this menu, you can control the settings of or calibrate your built-in or external expression pedal. Here, EXP 1 refers to the built-in pedal, and EXP 2 refers to your external expression pedal.

•EXP 1 Settings

There are four options within this menu: Target, Expression Range, Volume Range, and Calibrate.

- Target

Under the Target option, you can set the pedal’s control target. You can set up a maximum of four effects parameters for the built-in expression pedal to control.

In the selection panel, MODULE X (X standing for 1-4 controllable targets) represents the effects module in play. EFFECT X displays the actual effect name, and PARA X shows the effect’s controllable parameter.

You can also turn the expression pedal off by turning selecting OFF in the settings panel.

Customizing Your Ampero One

- Expression Range

Under the Expression Range option, you can set the expression pedal expression range and sweep curve. There are four adjustable targets to change these settings.

In the selection panel, MIN X (X standing for 1-4 controllable targets) represents the lowest range value. This is the value the pedal will have when pushed all the wayup. MAX X represents the highest range value, when the pedal is pushed all the way down. CURVE X represents the curve line the pedal will follow when pushed fromall the way up to all the way down.

The MIN and MAX range is 0-100, and the MIN value can be greater than the MAX value.

There are three CURVE types:

Line follows a straight line

Exp follows an exponential line from slow to fast

Log follows a logarithmic line that changes as the pedal moves

MAX

MIN

When MIN < MAX

MAX

MIN

When MIN > MAX

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- Volume Range

When the built in expression pedal is off, it continues to work as a volume pedal for Ampero One. Under the Volume Range option, you can set the volume pedal range and sweep curve.

Same as Expression Range section, MIN and MAX represent the lowest/highest volume range value. The MIN and MAX range is 0- 100, and the MIN value can be greater than the MAX value. There are also three CURVE types like expression settings: Line, Exp and Log.

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