CALREC Putting Sound in the Picture 141
User-Definable Buttons
The Options-Mon I/P & TB screen is used
to allocate monitor sources to the user-
definable selection buttons on each panel.
Buttons can only be assigned when in
Technician or Supervisor mode. This
allows the system to be set up prior to
operation, and protects against accidental
changes once the console is in use.
Alternative Listening Modes
All off indicates NORMAL (mono, stereo
or surround depending on the source
selected and the LS arrangement). 3
STEREO with Phan Centre ON is the
same as STEREO except the LFE is
optional. ØR, L+R to L, L to L+R, and R to
L+R will work in any mode, but are really
designed for use in stereo mode or when
monitoring stereo sources. MONO feeds
L, C, R, LS and RS to L and R.
AFL and PFL
AFL feeds the Control Room LS outputs
(post the surround panning controls),
overriding the LS SEL. PFL can also do
this if PFL TO MON is selected (overrides
AFL). PFL to MON can also be selected
using the PFL Monitor Options on the
States screen. If PFL to MON is not
selected, PFL can override the small LS
(if it has been set to do this in the setup
application). Alternatively, there can be
a separate stereo PFL LS output. An
external RTB input can mix with PFL to
the PFL LS output. PFL from surround
mains is a stereo downmix of the surround
signal.
PFL to H/P feeds the PFL signal to the
headphones. This is also selectable using
the PFL Monitor Options on the States
screen. PFL clear and AFL clear, clear
any latched buttons. The APFL Flash will
enable or disable the flashing of the APFL
indicator on the Broadcast Facilities panel.
Decoder Remotes
The DECODER REMOTE buttons control
whichever Decoder is currently selected.
(Other Decoders remain in their previously
set state). The buttons are shown
engraved for a Dolby DP570.
4 buttons for alternate output modes (all
off indicates full surround).
3 buttons for alternate compression
modes (all off = no compression no
dialogue normalization).
1 button for Pro Logic mode. It is
assumed that the DP570 will be set, to
Dolby Digital mode either in manual or
auto detect mode.
For a Dolby SDU4 LT/RT decoder, only
the stereo and mono output mode buttons
will function.
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