User Guide

Issue฀3,฀November฀2016฀ Model฀74/75฀User฀Guide฀
Page฀34฀ Studio฀Technologies,฀Inc.฀
for Surround
Operation
Now฀that฀you’ve฀installed฀and฀configured฀
the฀system,฀you’re฀ready฀to฀go.฀You฀should฀
find฀operation฀very฀easy.
Model฀74฀Central฀Controller
The฀Model฀74’s฀front฀panel฀contains฀฀
two฀LEDs.฀The฀power฀LED฀should฀be฀lit฀
whenever฀AC฀mains฀power฀is฀connected.฀
The฀data฀LED฀will฀light฀whenever฀a฀MIDI฀
system-exclusive฀message฀is฀received฀
from฀the฀Model฀75.
Model฀75฀Control฀Console
StudioComm฀operation฀is฀controlled฀using฀
the฀Model฀75฀Control฀Console฀and,฀if฀con-
nected,฀the฀remote฀control฀inputs.฀To฀make฀
things฀easy฀to฀describe,฀we’ve฀divided฀
the฀StudioComm฀functions฀into฀six฀main฀
groups:฀input฀source฀selection,฀downmix,฀
monitor฀output฀functions,฀mute/solo,฀head-
phone฀cue฀system/talkback,฀and฀remote฀
controls.
Input฀Source฀Selection
Input฀source฀selection฀is฀simple.฀To฀select฀
an฀input฀source฀for฀routing฀to฀the฀moni-
tor฀outputs,฀press฀one฀of฀the฀four฀input฀
source฀buttons.฀The฀corresponding฀LED฀
will฀light฀to฀let฀you฀know฀that฀the฀input฀has฀
been฀selected.฀You฀can฀select฀more฀than฀
one฀input฀source฀simultaneously;฀up฀to฀all฀
four.฀The฀selected฀inputs฀will฀be฀summed฀
(combined).฀Start฀by฀pressing฀and฀holding฀
the฀button฀associated฀with฀the฀first฀de-
sired฀input฀source.฀While฀the฀button฀is฀still฀
pressed,฀add฀the฀extra฀inputs฀by฀momen-
tarily฀pressing฀the฀buttons฀associated฀with฀
them.฀The฀LEDs฀will฀light฀to฀tell฀you฀which฀
inputs฀have฀been฀selected.
A฀recall฀feature฀is฀an฀integral฀part฀of฀the฀
input฀selection฀process.฀It’s฀a฀bit฀confusing฀
to฀explain,฀but฀simple฀once฀you฀experience฀
it฀in฀“real฀time.”฀A฀one-sentence฀explana-
tion฀would฀describe฀the฀input฀recall฀feature฀
as฀allowing฀the฀system฀to฀return฀to฀the฀
previously฀selected฀input฀(or฀inputs)฀by฀
simply฀pressing฀one฀button.฀It฀was฀included฀
specifically฀for฀film-post฀applications฀where฀
it’s฀important฀to฀be฀able฀to฀change฀quickly฀
between฀a฀combination฀of฀inputs,฀such฀as฀
two฀“stems,”฀and฀a฀single฀input.
Let’s฀begin฀the฀explanation฀with฀an฀ex-
ample:฀A฀film-post฀facility฀where฀the฀usual฀
monitoring฀setup฀has฀both฀Surround฀A฀and฀
Surround฀B฀simultaneously฀selected,฀while฀
Stereo฀A฀is฀occasionally฀selected฀to฀moni-
tor฀a฀cue฀track.฀To฀select฀both฀inputs,฀press฀
and฀hold฀the฀button฀associated฀with฀Sur-
round฀A,฀then฀press฀Surround฀B’s฀button,฀
then฀release฀both฀buttons.฀Surround฀A฀and฀
B฀are฀now฀selected฀for฀monitoring.฀To฀mon-
itor฀Stereo฀A฀press฀the฀button฀associated฀
with฀it.฀To฀return฀to฀monitoring฀Surround฀
A฀and฀B,฀simply฀press฀Stereo฀A’s฀button฀
again.฀The฀recall฀feature฀has฀returned฀the฀
system฀to฀the฀previously฀selected฀inputs.฀
That’s฀all฀there฀is฀to฀it!
A฀special฀configuration฀mode฀allows฀an฀in-
put฀to฀be฀disabled.฀This฀would฀be฀appropri-
ate฀if฀an฀input฀is฀not฀connected฀to฀an฀audio฀
source.฀If฀you฀press฀an฀input฀source฀button฀
and฀the฀previously฀selected฀input฀source฀
does฀not฀change,฀the฀newly฀selected฀input฀
has฀been฀disabled.
Downmix
Two฀downmix฀functions฀allow฀an฀opera-
tor฀to฀perform฀“real-world”฀compatibility฀
checks.฀They฀can฀also฀be฀referred฀to฀as฀
format฀functions฀because฀they฀allow฀con-
version฀between฀various฀audio฀formats,฀
e.g.,฀5.1฀(surround)฀signals฀converted฀