diamond - User Manual
Version: 8.0.0/1
Exported on: 24 October, 2023
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6.15 diamond - PFL and AFL
diamond supports up to 5 monitoring buses that can be used to configure PFL and AFL.
PFL (Pre-Fader Listen) can be used to listen to a source while its fader is closed (off-air). This allows you to check an
incoming signal before opening the fader.
AFL (After-Fader Listen) can be used to listen to a source in isolation (at its mix
level).
What is possible?
Up to 5 PFL/AFL buses can be configured (using the ON-AIR Designer). The number of available PFL/AFL buses is
determined by the Power Core license. Usually, a single PFL bus is sufficient. If independent PFL outputs are required, or
you need both PFL and AFL monitoring, then multiple buses can be defined. This is explained in more detail later. For now, it
is useful to know that:
Each source can feed up to two monitoring buses simultaneously. For example, to feed both PFL and AFL.
On each fader strip, the PFL 1 bus can be swapped with another listen bus (from 2 to 5). This is useful if the surface
supports multiple
operating stations, as you can configure independent PFL outputs from each set of faders.
The PFL mode defines how the surface keys operate: as PFL, AFL, or a combination. The PFL mode can be changed by
an operator (from the Setup menu).
Each PFL/AFL bus can feed a dedicated speaker or be switched to the main monitoring automatically when a PFL (or
AFL) is active.
The rest of this topic describes how PFL is defined in the standard configuration. The operation may vary if the
configuration is customized.
Operation
In the standard configuration, PFL can be selected by pressing MF Key 4 (on the source's fader strip) or pulling back on a
fader (to activate the overpress).
All sources feed a single PFL bus (PFL 1) and the default mode is "PFL
SUM". This
means that:
Multiple PFLs can be selected.
Where faders are closed, sources are summed onto the PFL bus.
When a fader opens, PFL is canceled.
Where faders are open, sources are put into "PFL Prepare". In this instance, nothing happens until the fader is closed.
Once the fader is closed, PFL becomes active.
The
PFL
key has three possible states. The colors used can be modified by the ON-AIR Designer. The following colors are
used in the standard configuration:
Dim white = PFL off.
Full green = PFL on and fader closed (PFL active).
Dim green = PFL on and fader open (PFL prepare).
