Eventide H90 Harmonizer Quick Reference Manual page 5

Global I/O Configuration
I/O Insert (Default)
IN
1 3
IN 1 Main Input Left (Mono)
IN 2 Main Input Right
2 4
IN 3 Insert 1 Return
IN 4 Insert 2 Return
OUT 1 Main Output Left (Mono)
OUT
OUT 2 Main Output Right
1 3
OUT 3 Insert 1 Send
2 4
OUT 4 Insert 2 Send
NOTE: When using H90 with four cable method or pre/post in an amp
effects loop, Dual Routing is strongly recommend.
DUAL ROUTING Path 1
Amplifier Pre/Post (Mono)
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
Path 2
Guitar and Vocals (with MixingLink®)
Insert Routing in Series (p. 8)
IN 1/2 1 A
I/O 3
Dual Routing in Pre/Post (p. 9)
IN 1/2
IN 3/4
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.
B 2
I/O 4
A
B
Dual Inserts into DAW
OUT 1/2
OUT 1/2
OUT 3/4
3