Diamond Guitar Pedals MEMORY LANE User Manual page 10

External Feedback Loop
The external feedback loop is a versatile path both to externally control delay
feedback levels, and as a means to further tailor the delay sound by process-
ing feedback echoes through an external chain of effects.
Expression Pedal
The Memory Lane accepts expression pedals with TRS (Tip-Ring-Sleeve or
sometimes known as stereo) plugs. With the expression pedal backed off
completely, only a single echo will be heard, while moving the expression
pedal up will increase the number of repeats, and at maximum can bring the
Memory Lane into oscillation. With practice, the amount of oscillation can be
expressively controlled by carefully moving the expression pedal in and back
from its first point of oscillation.
Inserting an expression pedal into the jack removes the feedback level control
from operation.
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Effect Insert
By using a standard 1/4" TRS to two mono 1/4" plug cable, any chain of ef-
fects can be inserted into the feedback path of the Memory Lane. The TRS
plug should be plugged into the Memory Lane, the 'Send' or 'Tip' signal mono
1/4" plug should be plugged into the input of the first pedal of the chain, and
the 'Receive' or 'Ring' signal mono 1/4" plug should be plugged into the output
of the last pedal of the chain. As with the expression pedal, inserting the cable
into the EXP jack will remove the feedback level control from operation, and in
doing so, at least one device in the external pedal chain must have a volume
control so that the system doesn't continuously oscillate. By using a standard
volume pedal as the last device in the feedback effect chain, it can do double
duty as a feedback expression pedal and as the volume control necessary to
limit oscillations.
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