Turning On The Power; Turning Off The Power - Boss ME-20 Owner's Manual

Turn on power to the various devices in the order specified. Turning on devices in the wrong
order may cause malfunction and/or damage to speakers and other devices.

Turning On the Power

1.
Completely turn down the volume on all devices and connect the external devices.
* Don't insert the plug into the INPUT jack yet.
2.
Insert the plug into the INPUT jack.
* Inserting a plug into the INPUT jack switches on the power.
3.
Turn on the power to the CD or MP3 player or other input device.
4.
Lastly, turn on the power to the guitar amp or other output device.
5.
Following this, adjust the volume of each device.
* This unit is equipped with a protection circuit. A brief interval (a few seconds) after power-
up is required before the unit will operate normally.

Turning Off the Power

1.
Completely turn down the volume of all devices.
2.
First, turn off the power to the guitar amp and other output devices.
3.
Turn off the power to the CD or MP3 player or other input device.
4.
Pull out the plug from the INPUT jack.
* Disconnecting the plug from the INPUT jack switches off the power.
Recommended Settings
Recommended Settings for a Roland JC-120
Set to OFF
Recommended Settings for a Combo Amp
BRIGHT
MIN
TREBLE
Set to OFF
MAX MIN MAX MIN MAX
MIDDLE BASS
Recommended Settings for a Stack Amp
MIN MAX MIN MAX
PRESENCE TREBLE
Connections
MIN MAX MIN MAX
MIDDLE BASS
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