Boss ME-90 Reference Manual

01
Reference Manual
© 2023 Roland Corporation
Panel descriptions ......................................2
Top panel ..................................................2
Rear panel (connecting your equipment) ......................3
Installing the batteries ......................................3
Outputting sound ......................................4
Turning the power on/o ....................................4
Turning the power on ......................................4
Turning the power o ......................................4
Setting the connected device type ...........................4
Selecting a guitar amp type (output select) ...................4
Adjusting the volume (output level) ..........................4
Tuning your guitar (tuner) ...................................4
Eect signal chain ..........................................5
Saving/recalling sounds (memory mode). . . . . . . . . . . . . . . . . 6
How the patches are congured ..............................6
Switching between manual/memory mode ...................6
Setting what happens when switching from memory mode to
manual mode .............................................6
Selecting a sound (patch) ....................................6
Checking the knob positions ................................6
Conguring what happens when switching banks .............7
Saving a sound (patch write) .................................7
Changing the settings for sounds (memory edit mode) .........7
Useful functions ........................................8
Adding eects that follow your tempo (tap tempo) ............8
Setting the modulation speed or delay time with the pedal .....8
Performing with phrase loops ................................9
Conguring the [CTL] (control) pedal functions .............. 10
Setting the pedal function ................................ 10
Conguring the pedal operations .......................... 10
Connecting to and using an external eect unit via the SEND/
RETURN jacks ............................................. 11
Calibrating the expression pedal ........................... 11
Connecting to your computer via USB. . . . . . . . . . . . . . . . . . . 12
Installing the USB driver ................................... 12
Transmitting/receiving audio signals between a computer and
the ME-90 ................................................ 12
USB audio settings ....................................... 12
Transmitting/receiving MIDI data between a computer and the
ME-90 ................................................... 12
Loading IR data to use this unit as a speaker simulator ....... 13
Wireless connection with a mobile device ...............14
Attaching the BT-DUAL .................................... 14
Listening to sound via wireless connection with a mobile
device ................................................... 14
Bluetooth
®
audio functionality ............................. 14
Registering a mobile device (pairing) ....................... 14
Connecting an already-paired mobile device ................ 15
Disabling Bluetooth functionality .......................... 15
Controlling the ME-90 from a mobile device app ............. 15
Connecting to the app .................................... 15
Conguring the device overall (system settings) .........16
Parameter list ............................................ 16
Restoring the factory settings (factory reset) ............17
Appendix .............................................18
Troubleshooting .......................................... 18
Main specications ....................................19
Contents

Boss ME-90 Specifications

General

Bit rate	32 bit
Sample rates	48 - 48 kHz
Sound effects	Chorus, Echo, Looper, Overdrive, Phaser, Pitch shift, Reverberation
Sound effects quantity	97
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technology	Wired
6.35 mm (1⁄4-inch) input	1
6.35 mm (1⁄4-inch) output	2
Power source type	AC
Built-in display	Yes

Weight and Dimensions

Depth	220 mm
Width	443 mm
Height	67 mm
Weight	2900 g