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(5) USER
This control determines whether the presets available at the PRESET MATRIX (4) selector
(4) are factory settings or user settings. The adjacent yellow LED will illuminate when the user
presets are active.
(6) STORE
This control allows the storage of presets in specific locations. When a preset has been
finalized and is ready for storage, press this switch once. The LED indicating the current
storage location will begin to flash. If the storage location is to remain the same, press the
switch again and the function is complete. If a new location is desired, turn the PRESET
MATRIX selector to the desired location. When the LED indicating the new location begins to
flash, press the switch again. The preset is now in its new position within the matrix.
NOTE: Factory presets must be stored to a User location when altered. If not, they will revert
to their original settings when another preset is selected.
(7) COMPRESSOR
This control selects or bypasses the BAM’s onboard compressor. The adjacent green LED
indicates compressor activation.
(8) SQUEEZE
Since the BAM’s compressor is “soft knee,” this control functions as a combination ratio and
threshold control. Rotating the control clockwise decreases the threshold (the level at which
compression activates), while increasing the ratio (the amount of compression). A
compression ratio expresses the input level versus the output level. For example, a 4 to 1
ratio means that for a 4 dB change in input level there is a 1 dB change in output level. A “soft
knee” compressor delivers a lower ratio for low-level signals and a higher ratio for high-level
signals.
(9) CLIP LED
This red LED samples the output of the compressor and warns of potential clipping.
Illumination indicates a need to reduce the LEVEL (10) control.
(10) LEVEL
This control sets the compressor output level and allows recovery of gain lost by
compression, also known as make-up gain.
(11) GAIN REDUCTION LEDs
These indicators show the amount of gain reduction due to compression.
(12) MODEL SELECTOR
This control, in conjunction with the CAB SWAP (13) switch, allows selection among the
BAM’s amplifier and speaker cabinet models. LED illumination indicates which model is active
(red = amp model; green = cabinet model; orange = amp and cab model overlayed). If
storage of a particular model is desired, press the STORE (6) switch to store that model in
the current preset location. See the chart on page 6 for a description of amplifier
characteristics.
(13) CAB SWAP
This control allows speaker cabinet models to be changed. Once the desired amp model has