Electro-Harmonix Intelligent Harmony Machine User Manual

Congratulations on your purchase of the Intelligent Harmony
Machine (IHM): a compact, harmony generating, polyphonic
pitch-shifting powerhouse! The IHM creates authentic sound-
ing diatonic harmonies—harmonies within a given key, tracked
from single notes—and performs polyphonic pitch-shifting—
xed pitch shifts independent of key, on both single notes
and chords—all from a standard electric guitar, bass or many
other electronic instruments. It accepts power from 9V bat-
teries and standard 9VDC center-negative power supplies. In
addition to the required input and output jacks, the IHM also
features a dry output jack for extra routing exibility.
WARNING: This device comes equipped with an Electro-Harmonix 9.6DC-200 power sup-
ply. It requires 26mA at 9VDC with a center negative plug. Use of the wrong adapter or
a plug with the wrong polarity may damage the device and void the warranty. Do not
exceed 10.5VDC on the power plug. Power supplies rated for less than 30mA will cause
the device to act unreliably.

Electro-Harmonix Intelligent Harmony Machine Specifications

General

Technology	Digital
True Bypass	Yes
Key Selection	12 keys
Expression Pedal Input	Yes
Controls	Harmony, Key, Scale
Inputs	1 x 1/4" (instrument)
Power Supply	9V DC power supply (not included)
Dimensions	2.25 inches
Scale Selection	Major, Minor, Harmonic Minor

Summary

Product Introduction and Safety

Product Description

Introduction to the Intelligent Harmony Machine (IHM) and its capabilities.

Power Supply Warning

Details essential power requirements and potential damage from incorrect use.

Controls and Connections

Key Setting Controls

Controls for setting the musical key, including knobs and toggle switches.

Mode and Interval Selection

Button for momentary mode and knob for selecting harmony/pitch shift intervals.

Performance and Output Controls

Knobs for mix and volume, plus output jacks and footswitch.

Power Jack

Connection point for the 9VDC power supply.

Operating Instructions

Powering and Mode Selection

Instructions on powering the unit and switching between Intelligent and Polyphonic modes.

Intelligent Mode Operation

Details on generating diatonic harmonies in a set key.

Polyphonic Override Mode

Instructions for polyphonic pitch-shifting effects.

Advanced Features and Tips

Momentary Pitch Sweep Time

Customizing the pitch sweep transition time in momentary mode.

Operational Tips

Guidance on selecting keys and signal path placement.

Warranty and Compliance Information

Warranty Information

Details on product warranty, registration, and service.

FCC Compliance

Information regarding FCC rules and potential radio frequency interference.