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PUMP Pet Tricks
• Holding the Ratio or Sat/Det button for 1 second makes
them step backwards to the previous setting.
• PCB Jumpers Default – If you want to set all the jumpers
back to their factory default, move them to the front
position. IE towards the front panel. A diagram is
included on the PCB.
• Use the PUMP as a Tape-like Saturator – Enable Sat, and
go to 1:1, and turn up input. It’s ok if the BAD light just
flickers occasionally.
• Gate a “live snare” before compression for more intense
attacks – A gate prevents bleed from starting
compression before the actual Snare is hit.
• The BAD LED - This indicator can momentarily flash often
and is usually not a concern as it was set a couple dB
below unpleasant hard clipping. But do not let it stay
ON most of the time.
Troubleshooting
Compressor quits working – You may have inadvertently
switched PUMP into the 1:1 (no ratio) mode. If no
compression occurs with any of the Ratio LEDs lit, it is best to
return it to the factory for servicing.
Hum – Unit may be too close to power transformer in the
powered rack. Move to a slot farther away from supply.
Distorted or Thin output – If the “BAD!” light is coming on
constantly, lower the signal going into the PUMP.
Unit seems noisy – If you are compressing a lot, or boosting
frequencies on a noisy signal, the noise could be accentuated.
Try turning down the input gain and see if noise from the
compression gain goes away. If so, noise is coming from
before the unit, and being amplified by the compressor.
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