Valve 3/100 Top User Manual - page 11
Always on: pre-sets the Boost function to come ON automatically every time the relevant
channel is selected through the front panel buttons or through a foot-switch. *N.B.
should you need momentarily to deselect the Boost, press the Boost button on the foot-
switch once. The Boost function will be reactivated as soon as you select the channel*.
Selectable: using the front panel buttons to select the channels, in this mode you select
and deselect the Boost mode on a desired channel each time you press that channel.
Boost Mode Switches
(Please continue reading until the end of this paragraph). This part of the rear
panel shows 3 mini switches. They pre-set the functionality of the Boost mode.
First, you have to decide whether to use a series or parallel effects loop connection. The dif-
ference between the two effects is that, in series mode, the signal going from your guitar
through the amp to the cabinets is subject to the quality of the effect, whereas - in parallel
mode - the original sound of your amp reaches the cabinets intact, meaning that the quality
of the effect is not compromised in any way.
Using the Fx Loop
Proceed as follows:
If you want to use the parallel effects loop connection, select only the wet signal on the
effects unit. Now use the Level knob to mix the level of the processed signal to the original
sound of your amp. If you want to use the series effect loop connection, set the switch to
Series and select the desired mix of wet and dry signal on the effects unit.
Using the Amp with a MIDI Pedal-board
Connect your MIDI foot-controller from The Valve or another manufacturer to the MIDI IN
connection on the 3/100. You can also connect the MIDI OUT/THRU on the 3/100 to an
external digital multi-effect unit.
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Each switch relates to one channel and allows you to pre-set Boost status that will be selec-
ted using the front panel button, the foot-switch or a Midi pedal board.