QUICK REFERENCE GUIDE
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H90 user manual.
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H90 Harmonizer Quick Reference Guide for Firmware v1.0+
Eventide Part# 141360 Rev A
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Harmonizer is Eventide’s trademark for a special eects device incorporating pitch change.
© 2022 Eventide Inc. All rights reserved.
Overview
Select Knob
Press to enter Select/Bank Mode.
Input MetersBluetooth® LED Perform Knob
Press to enter
Perform Mode.
Play Modes
Select / Bank
Cue and load from the
Playlist. (pp. 4–5)
Edit Modes
Perform
Customize footswitches
for live performance. (p. 6)
Edit Mode Buttons
Press to enter Edit Modes.
(See table on right)
Quick Knobs
Adjust parameters and settings.
Footswitch LED Buttons
Play Modes: Color indicates
footswitch function.
Edit Modes: Program and
Presets active/bypass status.
Footswitches
Select/Bank Mode: Scroll through and load Programs.
Perform Mode: User-programmable footswitches.
Programs
Browse Programs by
List, Eect Type and
Algorithm. (p. 7)
Presets
Browse User/Factory Preset
Library by Eect Type and
Algorithm. (p. 10)
Routing
Congure Preset
Routing and position
external Inserts. (pp. 8–9)
Parameters
Edit Program and Preset
parameters. (p. 11)
Anatomy of a Program
Program
Active/Bypass, In/Out Gain, Routing & Inserts
Exp/Ctl mappings, HotKnob, HotSwitch (x3)
Preset
Active/Bypass, In/Out Gain,
Algorithm & settings,
HotKnob
Preset
Active/Bypass, In/Out Gain,
Algorithm & settings,
HotKnob
1
I/O
Line Lvl Indicators
LED grid indicates which
Inputs or Outputs are set
for line level signals.
Inputs 1/2
Main mono or
stereo Inputs.
Outputs 1/2
Main mono or
stereo Outputs.
Exp/Ctl 1/2
Inputs for expression
pedals or aux switches.
Power
Power requirement is 9–12VDC, 12W,
center positive (+), 5.5mm/2.5mm jack.
Inputs 3/4
External Insert return,
or Input for Dual Path 2.
INSERT ROUTING SendMain Path Return
Simple Eects Pedal Setup
2
Outputs 3/4
External Insert send, or
Output for Dual Path 2.
Two Mono Inserts One Stereo Insert
USB-C
Connect to your
computer for control,
updates and MIDI.
MIDI In and Out/Thru
Receive, transmit and pass through
MIDI program changes, control
changes and clock.
Global I/O Conguration
Insert Routing in Series (p. 8)
IN
123
OUT
123
I/O
IN 1
IN 2
4
IN 3
IN 4
OUT 1
OUT 2
OUT 3
4
OUT 4
Insert (Default)
Main Input Left (Mono)
Main Input Right
Insert 1 Return
Insert 2 Return
Main Output Left (Mono)
Main Output Right
Insert 1 Send
Insert 2 Send
Dual
Path 1 Input Left (Mono)
Path 1 Input Right
Path 2 Input Left (Mono)
Path 2 Input Right
Path 1 Output Left (Mono)
Path 1 Output Right
Path 2 Output Left (Mono)
Path 2 Output Right
NOTE: When using H90 with four cable method or pre/post in an amp
eects loop, Dual Routing is strongly recommend.
DUAL ROUTING
Path 2Path 1
1
I/O 3
A BIN 1/2 OUT 1/2
2
I/O 4
Dual Routing in Pre/Post (p. 9)
IN 1/2 OUT 1/2
IN 3/4 OUT 3/4
A
B
Insert Routing is enabled by default. Global Routing can be switched
between Insert and Dual in Global settings on the System Menu (see p. 12).
H90 has a complete set of alternate Program Lists with Dual Routing.
Amplier Pre/Post (Mono)
Guitar and Vocals (with MixingLink®)
Dual Inserts into DAW
3
Select
Select Knob
Turn to scroll through the Playlist,
and cue up a Program.
Press to load a cued Program.
Press and hold to toggle
Bank Mode.
Quick Knobs
Turn to adjust parameter value.
Press to view parameter values.
Press again to toggle pages.
Press and hold to enter
parameter assignment page.
Perform Knob
Turn to adjust
HotKnob value.
The Playlist
The Playlist is the currently enabled User Program
List for Select/Bank Modes. The H90 can have
many Program Lists, but only one User List is
designated as THE Playlist. Factory Lists found in
Programs Mode cannot be used as the Playlist.
The Playlist is selected in System Menu (See p. 12).
Program number and name
and Algorithm and Preset names
Eect Type symbols
Footswitch LED Buttons
FS1 LED: Press to Active/Bypass
FS2 or 3 LED: Press to
momentarily display the
corresponding Preset name.
Press again to Active/Bypass
Presets , or .
4
.
Footswitch 1
Press to activate a
cued Program.
Press to Active/
Bypass the loaded
Program.
Footswitch 2
Press to scroll down
through the Playlist.
Series Routing Parallel Routing
Footswitch 3
Press to scroll up
through the Playlist.
Six assignable parameters per Program (two pages).
Press and hold a Quick Knob to assign parameters.
Bank
Select Knob
Turn to scroll through the Playlist,
and cue up a Program.
Press to load a cued Program.
Press and hold to toggle back
to Select Mode.
Quick Knobs
Turn to adjust parameter value.
Press to view parameter values.
Press again to toggle
parameter pages.
Press and hold to enter
parameter assignment page.
Perform Knob
Turn to adjust
HotKnob value.
Banks
Each Playlist has 33 Banks, and each Bank
displays three Programs in one view. Bank Mode
can be used in live performance to quickly
load a set of Programs.
Bank name (editable in H90 Control only)
Six assignable parameters per Program (two pages).
The three Programs in the current Bank.
Footswitch LED Buttons
Press to cue up a Program in the
current Bank, and momentarily
display the corresponding
Program information.
Footswitch 1
Press to load 1st
Program in Bank.
Press again to
Active/Bypass.
Press and hold to
go to Bank 1.
Footswitch 2
Press to load 2nd
Program in Bank.
Press again to
Active/Bypass.
Press and hold to scroll
down to previous Bank.
Footswitch 3
Press to load 3rd
Program in Bank.
Press again to
Active/Bypass.
Press and hold to scroll
up to next Bank.
Program 3 Active in Bank 1.
5
Perform
Select Knob
Turn to toggle pages of
user-programmable footswitches.
Quick Knobs
Turn to adjust parameter value.
Press to view parameter values.
Press again to toggle
parameter pages.
Press and hold to enter
parameter assignment page.
Perform Knob
Press to toggle pages of
user-programmable footswitches.
Turn to adjust HotKnob value.
Performance Parameters
Perform Mode features two pages of userprogrammable Footswitch assignments such
as tap tempo, Active/Bypass, momentary Active,
three independent HotSwitches, and Algorithmspecic parameters.
Program number and name HotKnob
Page 1
Page 2
Footswitch LED Buttons
Press to change Footswitch
assignment.
Press and hold to map
, , or performance
parameters to an
external footswitch.
6
Footswitch 1
Press to engage
performance
parameters.
Footswitch 2
Press to engage
performance
parameters.
Footswitch 3
Press to engage
performance
parameters.
Six user-programmable Footswitch assignments
per Program (two pages).
Press and hold a Footswitch LED Button to map
performance parameters to an external footswitch.
Programs
Select Knob
Turn to auto-load a new
Program from a ltered List.
Programs Button
Press and hold in any Mode
to save the current Program.
Quick Knobs
Turn to adjust Program List
search lters.
QK1: User and Factory Lists
QK2: Eect Type
QK3: Algorithm
Perform Knob
Turn to auto-load a new
Program from a ltered List.
Program Lists
H90 stores User and Factory Lists, with each List
containing up to 99 Programs. In Programs Mode
all Lists can be searched based on Eect Type
and Algorithm. The Playlist can be changed in
Global settings on the System Menu (see p. 12).
Filtered Program name Location and number
Browse Programs by List, Eect Type and Algorithm.
Press and hold PROGRAMS Button to enter Program
saving, select a destination List and number.
Footswitch LED Buttons
Press to Active/Bypass , , or .
Footswitches
Press any Footswitch to exit Programs Mode.
Turn SELECT Knob to move cursor, turn PERFORM Knob
to change character, press PERFORM Knob to save.
7
Insert Routing
Select Knob
Turn to scroll through all
Routing pages.
Routing Button
Press to cycle through
Routing and Insert pages.
Quick Knobs
QK1: Turn to change Routing
between Series and Parallel.
Press to Swap Presets and .
QK2: Turn to enable Insert 1
and adjust the insert position.
Press to Active/Bypass Insert 1.
QK3: Turn to enable Insert 2
and adjust the insert position.
Press to Active/Bypass Insert 2.
*Turning Quick Knob 3 all the way
clockwise will enable Stereo Insert 1-2
8
Footswitch LED Buttons
Press to Active/Bypass , , or .
Footswitches
Press any Footswitch to exit Routing Mode.
Insert Positions
Series Routing
Pre A
Parallel
Mid
Post B
Stereo Inserts*
Insert 1 (Pre A), Insert 2 (Post B) in Parallel Routing.
Insert 1 parameters, page 1.
Stereo Insert: Turn QK3 all the way to the right to
enable Stereo Insert. Turn QK2 to change position.
Parallel Routing
Pre
Pre A
Pre B
Parallel
Post A
Post B
Post
Stereo Insert*
Dual Routing
Dual Routing enables two
independent stereo signal paths
and utilizes an alternate set
of Program Lists.
Path 1: Inputs and Outputs 1/2
Path 2: Inputs and Outputs 3/4
Footswitch LED Buttons
Press to Active/Bypass , , or .
Dual Positions
Routing
Path 1 Series
Path 1 Parallel
Pre/Post
Path 2 Parallel
Path 2 Series
Path 1
Series
Parallel
Preset A
Thru
Thru
Path 2
Thru
Thru
Preset B
Parallel
Series
Quick Knob 1
Turn to change Routing position
for Presets and on
Paths 1 and 2. (See table)
Press to Swap Presets and .
NOTE: When using H90 with four
cable method or pre/post in an
amp FX loop, Dual Routing is
strongly recommend.
Footswitches
Press any Footswitch to exit Routing Mode.
Presets
Preset
Dual Routing in Select Mode.
and in Series on Path 1.
on Path 1, Preset on Path 2.
9
Presets
Select Knob
Turn to auto-load a new Preset
from the ltered search into
the selected or slot.
Quick Knobs
Turn to adjust Preset library
search lters.
QK1: Preset Library
QK2: Eect Type
QK3: Algorithm
Perform Knob
Turn to auto-load a new Preset
from the ltered search into
the selected or slot.
Presets
Presets are the building blocks of a Program.
Uniquely named Presets can be saved to and
recalled from the Library for safe-keeping.
Algorithm
Browse Preset Library by Eect Type and Algorithm.
Highlighted Algorithm’s Preset name
Algorithm
Footswitch LED Buttons
FS1 LED: Press to Active/Bypass Program.
FS2 LED: Press to select .
Press again to Active/Bypass .
FS3 LED: Press to select .
Press again to Active/Bypass .
10
Footswitches
Press any Footswitch to exit Presets Mode.
Preset Saving: Press and hold the PRESETS button
to rename or save the selected Preset.
Presets Button
Press to toggle between Presets and .
Press and hold to save the selected Preset.
Parameters
Select Knob
Turn to scroll through pages of
selected , or parameters.
Quick Knobs
Turn to adjust parameter value.
Press and hold to map the
corresponding parameter to
HotKnob, expression pedal or
external controller.
Footswitch LED Buttons
Press to select , , or parameters.
Press again to Active/Bypass.
Press and hold to map , , or
parameters to HotSwitch 1, 2 or 3.
Perform Knob
Turn to adjust selected
or HotKnob value.
,
Press and hold to map HotKnob.
Footswitches
Press any Footswitch to exit Parameters Mode.
Parameters Button
Press to cycle through , or
parameter groups.
Algorithm and Preset name
Press PRESETS and PARAMETERS to toggle Tempo Sync On/O
Flexible Mapping: Map any parameter to a HotKnob,
expression pedal or aux switch.
HotSwitch: Press and hold FS LED Button 1, 2 or 3 to
map any parameter to three independent snapshots.
HotKnob
value
Tempo SyncPreset name
11
System
Press and hold PROGRAMS and ROUTING
Buttons to enter System Menu.
Turn SELECT Knob to highlight a
menu item; Press to enter.
Press PERFORM Knob
to exit System Menu.
Turn SELECT Knob to highlight menu item; press
again to enter.
Global: Change Insert or Dual Routing, DSP or
Relay bypass, and the current Playlist.
Press and hold PRESETS and PARAMETERS
Tempo Tuner
Set the Tap Tempo BPM, and congure the Tempo
source to Global, Program, or MIDI Clock.
12
Buttons to enter Tempo Menu.
I/O (Levels): Inputs/Outputs can be set to instrument
or line level. Indicators on rear will light up for Line.
Global (Pedal Ctl): Congure control settings that
are enabled for all Programs.
Press PRESETS and PARAMETERS Buttons to
enable Tempo Sync for Programs or Presets.
I/O (Exp & Aux): Global settings and calibration for
expression pedals and footswitches.
MIDI: Congure MIDI settings and CC mappings
that are enabled for all Programs.
Set tuning frequency, and Mute/Thru. The Tuner is
accessible in every Mode except for Perform Mode.
Press and hold middle and right
footswitches to open Tuner.
Quick Tips
HotSwitch: Each of the three HotSwitches change
any number of parameters with a single Footswitch.
Flexible Mapping: Map any parameter to an external
controller, or gang parameters under one HotKnob.
An asterisk denotes that the current Program has
been modied and is unsaved.
Diamond icon indicates that a parameter is
mapped to a HotKnob or Exp/Ctl.
H90 Control
H90 Control provides remote control access and
Program list management for the H90. Manage
Program and Preset settings, perform system
updates, and import/export User Lists with an
easy-to-use interface.
Parameters Mode: Hold a FS LED Button to assign
parameters to HotSwitch 1, 2, or 3. Press a QK to map.
Perform Mode: Assign a HotSwitch to
Footswitches. Only one HS can be on at a time.
, or
Connection Instructions
1. Download H90 Control for Mac or Windows
at eventideaudio.com.
2. Power on the H90 with the provided power
supply and connect it to your computer with
the provided USB-C cable.
3. Open H90 Control, and click “Connect.”
Parameters Mode: Press and hold a Quick Knob to
enter parameter mapping, and select control source.
Parameters Mode: Turn QK1 and 2 to adjust the
start and end points for the exp pedal control range.
Reset H90 Settings
Factory Reset: Press and hold all three Quick Knobs
while powering on the H90, and continue holding
until the on-screen message appears.
NOTE: A factory reset deletes all user data (Lists,
Programs, Presets, System and Tempo settings)
Reset System Settings: Press and hold Quick Knob 1
while powering on the H90, and continue holding
until the on-screen message appears.
13
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