Hotone Omni AC User guide

Owner's Manual

DESIGN INSPIRAT I O N

※In th e inter est of pr oduct i mprov ement , the spe cific ation s and/o r the con tent of p roduc ts (inc ludin g but not l imite d to appe aranc es, pac kagin g desig n, manu al cont ent, ac cesso ries, s ize, pa ramet ers and
dis play sc reen) , are sub ject to c hange w ithou t prior n otice . Pleas e check w ith loc al supp lier fo r exact o ffers . Speci ficat ions an d featu res (in cludi ng but no t limit ed to app earan ces, co lors an d size) m ay vary

by mo del owi ng to env ironm ental f actor s, and al l image s are ill ustra tive.

Contents

Welcome

Features

Panel Introduction

Connections

Main Display

Select a Preset

Bypass/Mute (default setting)

Edit

Select a different acoustic simulation effect     

Edit detailed parameters 

Preset Edit Menu

Save

Assign Footswitch Function

Software

Effects list

Specifications

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DES IG N IN SPI RAT ION

Welcome

Thank you for purchasing a Hotone product.
Please read this manual carefully to get the most out of your Omni AC.
Please keep this manual in a safe place to use for further reference.

Designed for both acoustic and electric instruments, the Omni AC is a compact-sized, CDCM-based “Black-Tek” acoustic
simulator delivering organic, precise acoustic sounds. An internal voltage boost circuit provides tons of headroom, a clear,
detailed OLED screen lets you get set up quickly, and variable I/O makes it perfect for any live or recording scenario.

Features

✪ Compact, easy-to-use acoustic simulator pedal for acoustic and electric instruments
✪ Advanced DSP platform with high quality 24-bit A/D/A conversion and great dynamic response
✪ Internal voltage boost circuit for great headroom with standard 9V DC power supply
✪ 15 high quality acoustic simulations including steel strings, nylon strings, acoustic basses, double basses and more
✪ Detailed 4-band EQ with flexible frequency range and 12dB max. boost/cut
✪ USB jack for firmware upgrading, loading/managing presets with free PC/Mac software
✪ Aux In and headphone output for practicing and jamming
✪ 15 Presets
✪ Built-in hi-res OLED screen
✪ Assignable footswitch with LED
✪ 9V DC power supply

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Panel Introduction

1. MASTER: Controls the overall output

2. FUNC. : Encoder with button, for switching presets/acoustic simulations, editing presets,

saving,etc.

3. XLR OUT: Feedsbalancedsignaltomixers,interfaces,etc.

4. LIFT/GND: SwitchtoLIFTpositiontoliftthegroundwireofXLROUTjack

5. OUT: Unbalancedoutputjack

6. OLED SCREEN: Shows preset numbers, setting values and other operation info.

7. THRU: Feedsunprocesseddrysignal

8. IN: Forpluggingininstrumentsorothereffects

9. ASSIGNABLE FOOTSWITCH

1

3

4

5

2

7

6

10. USB: USB Type-C jack for connecting to computer

11. AUX IN: Stereo aux in jack for connecting audio players

(won’tbeaffectedbyOmniAC)

12. DC 9V: Plug in your power supply here (DC 9V, center
negative)

13. PHONES: Stereo headphones jack

Connections

●

For practicing/jamming

8

10

11

MANU

12

13

9

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Connections

●

For live performance

Note:
Always mute the mixer/audio interface or turn down the volume knob on your amp before plugging or unplugging power jacks, cables,
etc. This will reduce the chance of hearing/device damage.

Main Display

The Main Display will come up as shown below after you plug in your power supply:

2

1

1- Current preset number, Omni AC supports 15 presets ranging from 01 to 15
2- Indicates the effect model you’re using in current preset
3- Indicates the current mode: EGT mode for electric instruments, AGT mode for acoustic instruments
4- Shows only when the EQ is on

1

3

4

2

3

4

Select a Preset

In Main Display, turn the FUNC. knob to change presets. Turn the knob clockwise to cycle through presetes in the order of 01, 02, 03, …,
15 then 01.
Turn the knob counterclockwise to change presets in the opposite order.

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Bypass/Mute (default setting)

To set the unit to bypass: tap the footswitch. “BYPASS” will appear on the screen. Tap the footswitch again to go back to normal.

To set the unit to mute: hold the footswitch until “MUTE” appears on the screen. Hold the footswitch again to go back to normal.

Note:

1. In bypass/mute status, the LED halo will go out.

2. AUX IN will not be affected in mute status.

Edit

1. Select a different acoustic simulation effect

In Main Display, press the FUNC. knob to enter Effect Select menu. The screen will come up as shown below:

Turn the FUNC. to select an effect. The effect name will be inverted.

2. Edit detailed parameters

In Effect Select menu, press the FUNC. knob to enter Edit Menu. The screen will come up as shown below:

Turn the FUNC. knob to move the cursor on EDIT PRESET, then press FUNC. knob to enter Preset Edit Menu:

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Edit

BAND

FREQ range

GAIN range

LOW

50Hz-500Hz measured by 10Hz

-12~0~+12(dB)

MID

500Hz-1kHz measured by 10Hz

-12~0~+12(dB)

HIGH

1kHz-5kHz measured by 0.1kHz

-12~0~+12(dB)

PRES

5kHz-16kHz measured by 0.1kHz

-12~0~+12(dB)

Preset Edit Menu:

1- Return to previous menu
2- Indicates current cursor position (the PRESET VOL is now selected).

1

2

In this menu, turn FUNC. knob to select a parameter (hollow cursor) or edit parameters (solid cursor), press the FUNC. knob to confirm
selection/finish editing.
All available parameters are shown below:
(1) PRESET VOL: Controls the current preset volume
(2) EQ: Switches the EQ on/off
(3) MODE: Selects a mode for your instruments

- EGT: for using with electric instruments

- AGT: for using with acoustic instruments
(4) LOW FREQ：Controls the EQ low frequency range
(5) LOW GAIN：Controls the EQ low frequency boost/cut amount
(6) MID FREQ: Controls the EQ mid frequency range
(7) MID GAIN：Controls the EQ mid frequency boost/cut amount
(8) HIGH FREQ：Controls the EQ high frequency range
(9) HIGH GAIN：Controls the EQ high frequency boost/cut amount
(10) PRES FREQ：Controls the EQ presence range
(11) PRES GAIN：Controls the EQ presence boost/cut amount
(12) SAVE：Enter Save Menu

The EQ frequency and boost/cut range are shown below:

Save

To enter Save Menu, select SAVE in Preset Edit Menu or hold FUNC. knob in Effect Select menu. The screen will come up as shown
below:

Turn FUNC. knob to choose a location. Press the FUNC. knob to confirm saving.
Press the footswitch to cancel saving.

Assign Footswitch Function

In Edit Menu, select FS FUNCTION to enter Footswitch Function Assign Menu. The screen will come up as shown below:

You can assign 2 different functions to FS TAP (tap the footswitch) and FS HOLD (hold the footswitch):

 MUTE
 BYPASS
 PRESET +
 PRESET –
 MODE

The functions cannot be same.

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Software

NO.

NAME

DESCRIPTION

1

OM 01

Steel string orchestra model guitar simulation 1

2

OM 02

Steel string orchestra model guitar simulation 2

3

NYLON 01

Nylon string classical guitar simulation 1

4

NYLON 02

Nylon string classical guitar simulation 2

5

D 01

Steel string dreadnaught model guitar simulation 1

6

D 02

Steel string dreadnaught model guitar simulation 2

7

D 03

Steel string dreadnaught model guitar simulation 3

8

JUMBO 01

Steel string jumbo model guitar simulation 1

9

JUMBO 02

Steel string jumbo model guitar simulation 2

10

GA 01

Steel string GA model guitar simulation 1

11

GA 02

Steel string GA model guitar simulation 2

12

HBIRD

Simulates the iconic “H-bird” steel string guitar

13

MAN DOLIN

Simulates a mandolin

14

FL BASS

Simulates a fretless acoustic bass

15

UP BASS

Simulates a classic double bass

Connect Omni AC to your computer and access the free software to manage your Omni AC device, adjust tonal settings, update firmware,
restore settings, and upload presets. Omni software is compatible with Windows and macOS platforms. Log on to
www.hotoneaudio.com/support to download the free software--it’s easy to install and comes with a software user manual.

Effects list*

Specifications

Input Impedance: 1MΩ
Output Impedance: 100Ω
Power Requirement: 9V DC center negative
Current Consumption: 200mA
Dimensions: 101mm (D) x58mm (W) x47mm (H)
Weight: 224g

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DESIGN INSPIRATION