Marshall Amplification Musical Instrument Amplifier MG100FX User Manual

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MG15FX  
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16  
17  
MG30FX  
1
2
3
4
5
6
7
8
9
10 11 12 13  
14 16  
15  
17  
From Jim Marshall  
1. Input Jack Socket  
11. FX Control  
Jack 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.  
Selects and adjusts one of four effects - Chorus,  
Phaser, Flanger & Delay.  
I would personally like to congratulate you on your purchase of this  
next-generation Marshall MG amplifier.  
12. Store Switch  
As a musician myself, I fully understand what it takes to perform live in  
a band situation. In addition to talent, dedication and a lot of hard work,  
you also need equipment that does exactly what you ask of it. Over the  
years I have witnessed many advances in amplifier technology and I  
wanted this MG series to take full advantage of such innovations.  
These solid-state amplifiers had to meet the tonal expectations of the  
modern guitarist whilst also incorporating new and exciting digital  
technology. With this goal firmly in mind, I set my experienced R&D  
team the task of designing a new range of affordable MG amplifiers that  
would not only produce the tone you’re looking for, but also offer an  
intuitive and totally programmable way of customising, storing and  
accessing your favourite Marshall tones and features.  
2. Gain Control  
Stores the current amp settings into the current channel  
or into the optional footcontroller. When in manual mode  
the Store button lights red.  
Controls the amount of signal entering the pre-amp and  
the amount of distortion created in the selected channel.  
3. Clean : Crunch Switch  
13. Master Control  
Selects between Clean (green) and Crunch (red) channels.  
Controls the master volume of the amplifier.  
4. Bass Control  
14. MP3 Line In Socket  
Turning up the Bass control will add warmth and low-  
end depth to your sound.  
Jam to your favourite MP3, CD or tape 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.  
5. OD Switch  
Selects between OD1 (green) and OD2 (red) channels.  
Like all the amplifiers in the new MG range, state-of-the-art  
manufacturing and stringent quality control procedures ensure that  
these amplifiers meet the high standard of build you have come to  
expect from all Marshall products.  
6. Middle Control  
15. Footcontroller Socket  
Adjusting the middle frequencies will vary the amount of  
body in your sound.  
¼" Jack socket for the connection of the optional  
footcontroller (PEDL-90008) - see page 8.  
Whether this is your first ever Marshall, or is the latest addition to your  
arsenal of amps, the tone, flexibility and feel of these compact, rugged  
units is guaranteed to deliver the goods – from bedroom, to backstage,  
to on stage!  
7. Treble Control  
16. Headphones Socket  
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.  
For use when silent practice is the order of the day.  
Connection of headphones will automatically mute the  
internal speaker.  
I wish you every success with your new Marshall. Welcome to the  
family...  
8. Reverb Control  
17. Power Switch  
This control lets you add a lush reverb to the selected  
channel, from a subtle hint to cavernous and all points  
in-between.  
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.  
Yours Sincerely,  
9. Volume Control  
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.  
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 preset mode (pg 2).  
When using the optional footcontroller, holding both the  
Tap switch and the Store switch will activate the tuner.  
Dr. Jim Marshall OBE  
Please ensure the amplifier is switched off and unplugged  
from the mains electricity supply before being moved.  
1
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MG15FX & MG30FX Overview  
Channel Selection  
When channel settings have been stored the current  
Restoring Settings - WARNING ALL AMP &  
FOOTCONTROLLER SETTINGS WILL BE LOST  
To restore the unit to factory settings (see handbook  
rear cover) you must hold the Store switch (12) while  
powering on the unit. The Clean/Crunch (3) and OD (5)  
lights will light orange. You can then release the Store  
switch (12).  
MG15FX Technical Specification  
The amplifier has 4 channels - Clean, Crunch, OD1 &  
OD2.  
channel light (3 or 5) will stop flashing indicating the  
preset has been saved.  
Power (RMS)  
Channels  
Speaker  
15W  
4
1x8"  
7.7kg  
Pressing the Clean/Crunch switch (3) selects between  
the Clean (Green Light) and Crunch (Red Light)  
channels.  
Reverb & FX  
The amplifier provides two simultaneous effects,  
Reverb and one of four FXs (Chorus, Phaser, Flanger  
or Delay)  
Weight (kg)  
Size (mm) W, H, D  
382 x379 x205  
Pressing the OD switch (5) selects between the OD1  
(Green Light) and OD2 (Red Light) channels.  
Resetting the amplifier will erase all user Channel  
presets and all user Footcontroller settings, replacing  
them with the factory presets.  
Reverb  
The Reverb control (8) sets the amount of signal sent to  
the reverb section - allowing the reverb to spill between  
channels as different presets are recalled. When the  
Reverb control (8) is set to ‘0’ the reverb is switched off,  
the status of the reverb is also indicated on the optional  
footcontroller.  
MG30FX Technical Specification  
When moving from an OD channel to a Clean/Crunch  
channel, the unit remembers the last channel you were  
in before leaving. E.g. If you have moved from the  
Crunch Channel to an OD channel and you press the  
Clean/Crunch switch (3), the amplifier will revert back to  
the Crunch channel - rather than starting again in the  
Clean channel.  
Power (RMS)  
Channels  
30W  
4
Speaker  
Weight (kg)  
1x10"  
10.8kg  
Size (mm) W, H, D  
480 x420 x225  
FX  
The FX control is split into four segments and selects  
the type of FX and adjusts its associated settings.  
When the FX control is set to ‘0’ the FX are switched  
off, the status of the FX is also indicated on the optional  
footcontroller.  
Modes  
The amplifier operates in two modes - Preset and  
Manual.  
To change between these two modes, you must hold  
the Tap switch (10) down for at least two seconds.  
When in manual mode the Store switch (12) lights red  
and the selected channel light (3 or 5) will start to flash.  
0
FX Off  
Chorus Speed increases and depth is reduced as  
knob is turned clockwise.  
Phaser Speed increases as knob is turned  
clockwise.  
Flanger Speed increases, feedback and depth are  
reduced as knob is turned clockwise.  
The amplifier will remember the last mode it was in after  
power off and revert to it the next time it is powered on.  
Preset  
Delay  
Delay level is increased as knob turned  
clockwise.  
This is the factory default operation of the amplifier.  
In Preset mode the position of all controls except  
Master Volume (13) are stored within each channel.  
Each channel should be considered a preset.  
Tap Tempo  
The Tap Tempo switch (10) is used for the Delay effect  
only.  
Selecting a channel automatically recalls the settings  
stored within the channel. Note: The physical position of  
the front panel controls, except Master Volume (13)  
which is not storable, will now not match the actual  
settings of the amplifier. All front panel switches will  
automatically update.  
The Tap Tempo switch matches the delay time to the  
time between two presses.  
The Tap Tempo LED flashes red at the  
selected/recalled delay time.  
Altering a control will cause the associated parameter to  
jump to the current physical position of that control.  
The number of repeats is reduced as the delay time  
decreases.  
When a control is altered the selected channel light (3  
or 5) will start to flash indicating that the current preset  
has been altered.  
If you change from a channel with delay to one without  
delay the effect will spill between channels.  
If you change from a channel with delay to a channel  
with delay set to a different delay time the delay effect  
will not spill between channels.  
To store the updated settings, push the Store switch  
(12).  
* EUROPE ONLY  
- Note: This equipment has been tested and found to comply with the requirements of the EMC Directive  
(Environments E1, E2 and E3 EN 55103-1/2) and the Low Voltage Directive in the E.U.  
* EUROPE ONLY - Note: The Peak Inrush current for the MG15FX is 2.5 amps.  
If you select another channel without pressing Store  
(12) then any altered settings will be lost as the new  
channel and its settings are recalled.  
MP3 / Line In  
The Peak Inrush current for the MG30FX is 5 amps.  
The 3.5mm MP3 / Line In socket (14) allows the  
connection of an external audio source e.g. MP3 or CD  
player.  
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules.  
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,  
uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference  
to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause  
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try  
to correct the interference by one or more of the following measures:  
Manual  
In manual mode the amp’s settings always match the  
physical positions of the controls.  
Headphones  
The 3.5mm Headphones socket (16) allows the  
connection of a pair of headphones. When a jack is  
inserted into the headphones socket the unit’s speaker  
is muted.  
*
*
*
*
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and the receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
Changing channel only changes the channel, NO  
presets are recalled, NO other controls are altered.  
Pressing Store (12) will store the current settings into  
the selected channel. These can then be recalled when  
using the unit in Preset mode.  
Power  
Follow all instructions and heed all warnings  
KEEP THESE INSTRUCTIONS !  
The Power switch (17) turns the amplifier on and off. If  
current settings have not been stored they will be lost.  
2
3
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Technical Specifications  
MG50FX Combo  
MG50FX / MG100FX  
Power (RMS)  
Channels  
50W  
4
Speaker  
Weight (kg)  
1x12"  
16.6kg  
Size (mm) W, H, D  
518 x494 x278  
MG100FX 1X12" Combo (MG101FX)  
Power (RMS)  
Channels  
Speaker  
Weight (kg)  
Size (mm) W, H, D  
100W  
4
1x12"  
20kg  
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19  
20  
Rear panel shows MG50FX combo - MG100FX combo has the same features  
MG100HFX head is identical except features two loudspeaker sockets  
591 x528 x283  
MG100FX 2x12" Combo (MG102FX)  
Power (RMS)  
Channels  
100W  
4
Speaker  
Weight (kg)  
2x12"  
22.4kg  
Size (mm) W, H, D  
674 x494 x278  
MG100HFX Head  
Power (RMS)  
Channels  
Speaker  
100W  
21  
22  
23  
25  
26  
24  
4
-
1. Input Jack Socket  
11. FX Switch  
Weight (kg)  
Size (mm) W, H, D  
11.4kg  
591 x249 x275  
Jack 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.  
Switches the FX section (Modulation and Delay) on and  
off.  
12. Mod Control  
2. Gain Control  
Selects and adjusts one of three modulation effects  
Chorus, Phaser & Flanger.  
Controls the amount of signal entering the pre-amp and  
the amount of distortion created in the selected channel.  
19. Store Switch  
22. Footcontroller Socket  
Stores the current amp settings into the current channel  
or into the footcontroller. When in manual mode the  
Store button lights red.  
Jack socket for the connection of the footcontroller.  
13. Tap Switch  
3. Clean : Crunch Switch  
Matches the delay FX time to the time between two  
pushes. The LED flashes at selected delay time.  
23. Loudspeaker Output(s) Socket  
The MG50FX, MG100FX combos have 1 loudspeaker  
output and the MG100HFX head has 2 loudspeaker  
outputs.  
Selects between Clean (green) and Crunch (red) channels.  
20. Power Switch  
4. Bass Control  
14. Delay Control  
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.  
Adds warmth and low-end depth to your sound.  
Controls the amount of signal sent to the delay effect.  
Always use a non-screened Marshall approved speaker  
lead when connecting an extension cabinet to these  
amplifiers.  
5. OD Switch  
15. Ext FX Switch  
Selects between OD1 (green) and OD2 (red) channels.  
Switches the external FX Loop on and off.  
Please ensure the amplifier is switched off and unplugged  
from the mains electricity supply before being moved.  
6. Middle Control  
16. Master Control  
24. MP3 Line In Socket  
Varies the amount of body in your sound.  
Controls the master volume of the amplifier.  
21. Mains Input Connector  
Jam to your favourite MP3, CD or tape 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.  
Your amp is provided with a detachable mains (power)  
lead, which is connected here. The specific mains input  
voltage rating that your amplifier has been built for is  
indicated on the back panel. Before connecting for the  
first time, please ensure that your amplifier is  
7. Treble Control  
17. Damping (Manual) Switch  
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.  
Switches the power amp damping between classic amp  
feeling (LED off) and modern response (LED on).  
Holding down the Damping switch for longer than 2  
seconds switches the amp between manual and preset  
mode (page 6).  
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.  
25. Return Socket  
8. Rev Switch  
Connect to the output of an external effects processor  
or pedal here.  
Switches the reverb effect on and off.  
When using the footcontroller, holding both the  
Damping switch and the Store switch will activate the  
tuner.  
9. Reverb Control  
The correct value of mains fuse located in the small  
drawer at the bottom of the mains socket is specified on  
the rear panel of the amplifier. The drawer contains a  
space for a spare fuse. NEVER attempt to bypass the  
fuse or fit one of the incorrect value!  
26. Send Socket  
This control lets you add a lush reverb to the selected  
channel, from a subtle hint to cavernous and all points  
in-between.  
Connect to the input of an external effects processor or  
pedal here.  
18. Headphones / Line Out Socket  
3.5mm headphones / Line out.  
10. Volume Control  
Controls the volume of the selected channel.  
4
5
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MG50FX & MG100FX / MG100HFX Overview  
Channel Selection  
When channel settings have been stored the current  
Headphones & Line Out  
Loudspeaker  
The amplifier has 4 channels - Clean, Crunch, OD1 &  
OD2.  
channel light (3 or 5) will stop flashing indicating the  
preset has been saved.  
The 3.5mm Headphones socket (18) allows the  
connection of a pair of headphones. When a jack is  
inserted into the headphones socket the unit’s speaker  
is muted.  
ALWAYS USE A NON-SCREENED MARSHALL  
APPROVED SPEAKER LEAD WHEN CONNECTING  
AN EXTENSION CABINET TO THESE AMPLIFIERS.  
Pressing the Clean/Crunch switch (3) selects between  
the Clean (Green Light) and Crunch (Red Light)  
channels.  
Reverb & FX  
The amplifier provides three simultaneous effects,  
Reverb, Delay and one of three Modulation effects  
(Chorus, Phaser, or Flanger).  
MG50FX  
Additionally the Headphones socket (18) can also be  
used as a Line Out to send the signal to an external  
equipment e.g. A computer, digital recorder or mixer.  
When a jack is inserted into the socket the unit’s  
speaker is muted providing ‘silent recording’. The unit’s  
output can then be monitored directly from the external  
equipment used.  
The single Loudspeaker socket (22) is used to connect  
either the internal speaker or an external speaker  
cabinet to the unit’s power amp. When using external  
cabinets ensure the total load impedance is equal to, or  
exceeds, 8 ohms.  
Pressing the OD switch (5) selects between the OD1  
(Green Light) and OD2 (Red Light) channels.  
Reverb  
The Reverb control sets the amount of signal sent to  
the reverb section - allowing the reverb to spill between  
channels as different presets are recalled. The Rev  
switch (8) switches the reverb effect on and off, the  
status of the reverb is also indicated on the  
footcontroller.  
When moving from an OD channel to a Clean/Crunch  
channel, the unit remembers the last channel you were  
in before leaving. E.g. If you have moved from the  
Crunch Channel to an OD channel and you press the  
Clean/Crunch switch (3), the amplifier will revert back to  
the Crunch channel - rather than starting again in the  
Clean channel.  
MG100FX 1x12" & 2x12" Combos  
The single Loudspeaker socket (22) is used to connect  
either the internal speaker or an external speaker  
cabinet to the unit’s power amp. When using external  
cabinets ensure the total load impedance is equal to, or  
exceeds, 4 ohms.  
Damping  
The Damping switch (17) selects between the two  
modes of power amp damping. When Damping is off  
(LED off), the power amp response resembles the feel  
of a classic power amp with emphasized middle and  
limited bass and treble. Switching Damping on (LED on)  
will boost the speaker resonances both in the bass and  
high frequency ranges.  
FX  
The FX section consists of two effects, Delay and  
Modulation. The FX section can be globally turned on  
and off via the FX switch (11).  
Modes  
MG100HFX Head  
The amplifier operates in two modes - Preset and  
Manual.  
The two Loudspeaker sockets are used to connect to 1  
or 2 external cabinets. When using external cabinets  
ensure the total load impedance is equal to, or exceeds,  
4 ohms.  
Delay  
To change between these two modes, you must hold  
the Damping switch (17) down for at least two seconds.  
When in manual mode the Store switch (19) lights red  
and the selected channel light (3 or 5) will start to flash.  
The Delay control (14) sets the amount of signal sent to  
the delay section. When the Delay control (14) is set to  
‘0’ the delay is switched off.  
FX Loop  
The FX Return socket (25) on the rear panel is used to  
connect the OUTPUT of the effects processor or pedal  
you are using in the effects loop.  
Power  
The Power switch (20) turns the amplifier on and off. If  
current settings have not been stored they will be lost.  
Modulation  
The amplifier will remember the last mode it was in after  
power off and revert to it the next time it is powered on.  
The Mod control (12) is split into three segments and  
selects the type of modulation effects and adjusts its  
associated settings. When the Mod control (12) is set to  
‘0’ the modulation effects are switched off.  
The FX loop is series and set at instrument level so  
both guitar FX or professional units can be connected.  
Restoring Settings - WARNING: ALL AMP &  
FOOTSWITCH SETTINGS WILL BE LOST  
To restore the unit to factory settings (see handbook  
rear cover) you must hold the Store switch (19) while  
powering on the amplifier. The Clean/Crunch (3) and  
OD (5) lights will light orange. You can then release the  
Store switch (19).  
Preset  
The FX Send socket (26) on the rear panel is used to  
connect to the INPUT of the unit you are using in the  
effects loop.  
This is the factory default operation of the amplifier.  
0
Modulation Off  
In Preset mode the position of all controls except  
Master Volume (16) are stored within each channel.  
Each channel should be considered a preset.  
Chorus Speed increases and depth is reduced as  
knob is turned clockwise.  
The FX loop is switched on and off via the Ext FX  
switch (15) on the front panel.  
Phaser Speed increases as knob is turned  
clockwise.  
Flanger Speed increases, feedback and depth are  
reduced as knob is turned clockwise.  
Resetting the amplifier will erase all user Channel  
presets and all user Footcontroller settings, replacing  
them with the factory presets.  
Selecting a channel automatically recalls the settings  
stored within the channel. Note: The physical position of  
the front panel controls, except Master Volume (16)  
which is not storable, will now not match the actual  
settings of the unit. All front panel switches will  
automatically update.  
Tap Tempo  
The Tap Tempo switch (13) is used for the Delay effect  
only.  
Altering a control will cause the associated parameter to  
jump to the current physical position of that control.  
The Tap Tempo switch matches the delay time to the  
time between two presses.  
When a control is altered the selected channel light (3  
or 5) will start to flash indicating that the current preset  
has been altered.  
The Tap Tempo LED flashes red at the  
selected/recalled delay time.  
To store the updated settings, push the Store switch  
(19).  
The number of repeats is reduced as the delay time  
decreases.  
* EUROPE ONLY  
- Note: This equipment has been tested and found to comply with the requirements of the EMC Directive  
(Environments E1, E2 and E3 EN 55103-1/2) and the Low Voltage Directive in the E.U.  
* EUROPE ONLY - Note: The Peak Inrush current for the MG50FX is 9.6 amps.  
If you select another channel without pressing Store  
(19) then any altered settings will be lost as the new  
channel and its settings are recalled.  
If you change from a channel with delay to one without  
delay the effect will spill between channels.  
The Peak Inrush current for the MG100HFX, MG101FX and MG102FX is 21 amps.  
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules.  
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,  
uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference  
to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause  
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try  
to correct the interference by one or more of the following measures:  
If you change from a channel with delay to a channel  
with delay set to a different delay time the delay effect  
will not spill between channels.  
Manual  
In manual mode the amps settings always match the  
physical positions of the controls.  
*
*
*
*
Reorient or relocate the receiving antenna.  
MP3 / Line In  
Increase the separation between the equipment and the receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
Changing channel only changes the channel, NO  
presets are recalled, NO other controls are altered.  
The 3.5mm MP3 / Line In socket (24) on the rear panel  
allows the connection of an external audio source e.g.  
MP3 or CD player.  
Pressing Store (19) will store the current settings into  
the selected channel. These can then be recalled when  
using the unit in Preset mode.  
Follow all instructions and heed all warnings  
KEEP THESE INSTRUCTIONS !  
6
7
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Footcontroller  
(optional - PEDL-90008)  
1. Footswitches  
When either a Channel preset or Footswitch preset has  
been altered the Digital Display (3) will begin to flash.  
The footcontroller will flash the relevant number if a  
Footswitch preset has been altered or will flash a “-“ if a  
Channel preset has been altered.  
For all amplifiers, when entering Tuner mode the unit  
mutes and Clean : Crunch (3) and OD (5) switches light  
yellow.  
Each footswitch can be assigned a different stored function.  
2. LED Status Panel  
This always reflects the current status of the amplifier or tuner details:  
The Digital Display (3) indicates the closest current note  
being played. The indicator dot on the lower right hand  
corner shows if the current closest note is #.  
CLN & OD: Current Channel  
REV: Reverb On/Off  
Pressing only the Store switch at this point will overwrite  
the altered Channel or Footswitch preset.  
FX: FX Section On / Off  
The LED Status Panel (2) is used to show how far away  
from the closest note the current note being played is.  
When the central FX Status LED lights, it indicates the  
correct tuning, with the others progressively indicating  
the tuning is up to 50 cents up or down.  
Ext FX: External FX Loop On/Off (MG50FX & MG100FX)  
Damp: Damping Mode (MG50FX & MG100FX)  
Tap: Tap Tempo speed.  
To store an altered Channel preset to the  
Footswitch instead, hold the Store switch and while  
held down, press your chosen Footswitch (1) - Just like  
a normal Preset Store.  
3. Digital Display  
This display indicates the various functions of the footcontroller.  
To store an altered Footswitch Preset to another  
Footswitch hold the Store switch and while held down,  
press your chosen Footswitch (1) - Just like a normal  
Preset Store.  
To exit the Tuner push any footswitch, the amplifier will  
then exit returning to the settings before entering.  
3
2
Digital Display  
When recalling a footswitch preset, the Digital Display  
(3) will indicate which footswitch number has been  
pressed.  
If a Channel preset has been recalled the Digital  
Display (3) will remain blank.  
When either a Channel preset or Footswitch preset has  
been altered the Digital Display (3) will begin to flash.  
The footswitch will flash the relevant number if a  
Footswitch preset has been altered or will flash a “-“ if a  
Channel preset has been altered.  
Tuner  
The Tuner can be accessed in two ways:  
MG15FX & MG30FX  
By simultaneously pushing the Tap (10) and Store (12)  
switches on the front panel or by assigning the Tuner to  
the footswitch. Note: On factory reset / first switch on,  
the Tuner is already assigned to Footswitch number 4.  
Assigning the Tuner to a footswitch is carried out like  
any other Switch Store. To assign the Tuner to the  
footswitch hold down the Tap (10) and Store (12)  
switches and press the chosen footswitch you wish to  
assign it to. The Digital Display (3) will swirl to show that  
the footswitch has been assigned. You can then release  
the footswitch and front panel switch.  
1
Footcontroller Factory Settings  
Footswitch 1: Clean : Crunch Switch  
Footswitch 2: Overdrive Switch  
Footswitch 3: Tap Tempo Switch  
Footswitch 4: Tuner  
The Digital Display (3) will swirl to show that the  
footswitch has been assigned. You can then release the  
footswitch and front panel switch.  
MG50FX & MG100FX  
By simultaneously pushing the Damping (17) and Store  
(19) switches on the front panel or by assigning the  
Tuner to the footswitch. Note: On factory reset / first  
switch on, the Tuner is already assigned to Footswitch  
number 4.  
Preset Store  
To assign a preset to a Footswitch (1), select the  
required channel and modify the front panel controls if  
required, press and hold the Store switch on the front  
panel and while held down, press your chosen  
Footswitch (1).  
Programming  
The footswitch can be programmed to store front panel  
switches (Switch Store) or complete presets (Preset  
Store).  
Assigning the Tuner to a footswitch is carried out like  
any other Switch Store. To assign the Tuner to the  
footswitch hold down the Damping (17) and Store (19)  
switches and press the chosen footswitch you wish to  
assign it to. The Digital Display (3) will swirl to show that  
the footswitch has been assigned. You can then release  
the footswitch and front panel switch.  
Switch Store  
The Digital Display (3) will swirl to show that the  
footswitch has been assigned. You can then release the  
footswitch and Store switch.  
To assign a front panel switch to a Footswitch (1),  
press and hold the front panel switch and while held  
down press the Footswitch (1) you wish to assign it to.  
Footcontroller Presets are independent of the dedicated  
Channel presets stored within the amplifier. This allows  
you to create a number of presets based on the same  
channel/pre-amp setting.  
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