Boss MD500 Owner's Manual page 3

INPUT A/MONO, B jacks
Connect your electric guitar, or another instrument or effect unit, to
these jacks.
* Use the INPUT A/MONO jack and B jack when connecting a stereo-
output effects unit. Use only the INPUT A/MONO jack if you're
using a mono source.
Turning the power on/off
The INPUT A/MONO jack doubles as the power switch. Power to the
unit is turned on when you plug into the INPUT A/MONO jack; the
power is turned off when the cable is unplugged.
When powering up:
Turn on the power to your amp
last.
When powering down:
Turn off the power to your amp
first.
CTL 1, 2/EXP jack
You can control various parameters by connecting a footswitch (FS-5U, FS-5L, FS-6, FS-7: sold separately) or an expression pedal (such as
the EV-30, Roland EV-5; sold separately) to the CTL 1, 2/EXP jack (p. 25).
When Connecting an FS-5U
(or FS-5L)
1/4" phone type , 1/4"
phone type
CTL 1
When Connecting an FS-6
Stereo 1/4" phone type
, Stereo 1/4" phone type
CTL 2 CTL 1
MODE/POLARITY switch
MEMO
You can connect an
external effect unit and
use it in conjunction
with the MD-500's
effects (p. 24).
OUTPUT
POLARITY switch
When Connecting an FS-7
Stereo 1/4" phone type
, Stereo 1/4" phone type
MODE/POLARITY switch
Getting Ready
OUTPUT A/MONO, B jacks
Connect these jacks to your
amp or monitor speakers.
If you're using a mono setup,
use only the OUTPUT A/
MONO jack.
* Do not connect
headphones to the
INPUT
OUTPUT A/MONO, B jacks.
Doing so may damage the
headphones.
When Connecting Two FS-5Us
(or FS-5Ls)
Stereo 1/4" phone type
, 1/4" phone type x 2
CTL 2 CTL 1
When connecting expression
pedal
* Use only the specified
expression pedal (EV-30,
Roland EV-5; sold separately).
By connecting any other
expression pedals, you risk
causing malfunction and/or
damage to the unit.
EXP
3