MG15FX & MG30FX FRONT PANEL FUNCTIONS
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1. INPUT JACK SOCKET
Input for your guitar. Use a good quality
guitar cable (i.e. one that's screened/
shielded) to help prevent noise,
interference and unwanted feedback.
2. GAIN CONTROL
Controls the amount of signal entering
the pre-amp and the amount of distortion
created in the selected channel.
3. CLEAN/CRUNCH SWITCH
Selects between Clean (green) and Crunch
(red) channels.
4. BASS CONTROL
Turning up the Bass control will add
warmth and low-end depth to your sound.
5. OD-1/OD-2 SWITCH
Selects between OD-1 (green) and OD-2
(red) channels.
6. MIDDLE CONTROL
Adjusting the middle frequencies will vary
the amount of body in your sound.
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7. TREBLE CONTROL
Increasing the Treble will make your
sounds brighter and more cutting, turning
it down will decrease your tone's edge and
make it sound softer as a result.
8. REVERB CONTROL
This control lets you add a lush digital
reverb to the selected channel, from a
subtle hint to cavernous and all points
in-between. Furthermore, there are two
distinctly different sounding reverb types
for you to choose from – Studio or Spring.
Studio emulates the sound of a studio
plate reverb while, as expected, Spring
emulates the sound of a classic spring
reverb unit.
9. VOLUME CONTROL
Controls the volume of the selected
channel.
10. TAP (MANUAL) SWITCH
Matches the delay FX time to the time
between two pushes. The LED flashes at
the selected delay time. Holding down
the Tap switch for longer than 2 seconds
switches the amp between manual and
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preset mode. When using the optional
footcontroller, holding both the Tap
switch and the Store switch will activate
the tuner.
11. FX CONTROL
Selects and adjusts one of five digital
effects - Chorus, Phaser, Flanger, Delay
and Octave.
12. STORE SWITCH
Stores the current amp settings into
the current channel or to recall with the
optional footcontroller. When in manual
mode the Store button lights red.
13. MASTER CONTROL
Controls the master volume of the
amplifier.
14. MP3 LINE IN SOCKET
Jam to your favourite track by connecting
the line out or headphone output of your
player here. Adjust the volume of your
player to match that of your guitar and
you've got the perfect 'play-along' practice
system.
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15. FOOTCONTROLLER SOCKET
¼" Jack socket for the connection of the
optional footcontroller (PEDL-90008) -
see page 8.
16. HEADPHONE SOCKET
For use when silent practice is the order
of the day. Connection of headphones will
automatically mute the internal speaker.
17. POWER SWITCH
The power switch turns your amplifier
on and off. A channel switch will light up
when your amplifier is turned on and none
will be lit when the amplifier is switched
off.
Note: The specific mains input voltage rating
that your amplifier has been built for is shown
on the back panel. Before connecting to
the mains electricity supply, always ensure
that your amplifier is compatible with your
electricity supply. If you have any doubt,
please get advice from a qualified technician.
Your Marshall dealer will help you in this
respect.
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