User Guide

Issue฀3,฀November฀2016฀ Model฀74/75฀User฀Guide฀
Page฀22฀ Studio฀Technologies,฀Inc.฀
for Surround
Remote฀Mute฀All
Two฀configuration฀choices฀are฀associated฀
with฀the฀remote฀mute฀all฀function:฀disabled฀
and฀enabled.฀To฀utilize฀the฀function฀simply฀
configure฀it฀for฀enabled.฀
Remote฀Dim
Two฀configuration฀choices฀are฀associated฀
with฀the฀remote฀dim฀function:฀disabled฀and฀
enabled.฀To฀utilize฀the฀function฀simply฀con-
figure฀it฀for฀enabled.
Remote฀Talkback
Two฀configuration฀choices฀are฀associated฀
with฀the฀remote฀talkback฀function:฀dis-
abled฀and฀enabled.฀To฀utilize฀the฀function฀
simply฀configure฀it฀for฀enabled.฀Note฀that฀
this฀setting฀applies฀to฀both฀the฀hard-wired฀
remote฀talkback฀input฀and฀the฀infrared฀(IR)฀
receiver฀talkback฀input.฀The฀function฀must฀
be฀enabled฀for฀either฀of฀these฀inputs฀to฀be฀
active.
Auto฀Dim฀Off
The฀auto฀dim฀off฀function฀is฀unique,฀mak-
ing฀the฀dim฀function฀respond฀to฀real-world฀
operating฀conditions.฀When฀enabled,฀the฀
function฀automatically฀turns฀the฀dim฀func-
tion฀off฀if฀a฀change฀is฀made฀to฀the฀control฀
room฀level฀potentiometer฀while฀the฀unit฀
is฀already฀in฀dim฀mode.฀This฀prevents฀a฀
heart-stopping฀blast฀of฀audio฀when฀an฀
engineer฀presses฀the฀dim฀button฀to฀turn฀
dim฀on,฀but฀actually฀turns฀it฀off฀because฀the฀
unit฀was฀already฀in฀the฀dim฀mode.฀While฀it’s฀
hard฀to฀explain฀unless฀you’ve฀used฀a฀con-
sole฀and฀experienced฀this฀in฀person,฀trust฀
us,฀this฀situation฀does฀happen!฀Auto฀dim฀
off฀is฀a฀wonderful฀“real-world”฀function฀and฀
in฀most฀cases฀should฀be฀enabled.
Talkback฀Dim
The฀talkback฀dim฀mode฀selects฀whether฀
the฀dim฀function฀is฀enabled฀whenever฀the฀
talkback฀function฀is฀active.฀In฀most฀appli-
cations฀it’s฀desirable฀to฀have฀the฀monitor฀
loudspeakers฀dim฀whenever฀talkback฀is฀
active.฀This฀ensures฀that฀headphone฀cue฀
system฀users฀will฀clearly฀hear฀voice฀cue฀
signals,฀rather฀than฀being฀overwhelmed฀
with฀audio฀signals฀coming฀from฀the฀loud-
speaker฀system.฀However,฀there฀may฀be฀
special฀applications฀where฀it’s฀not฀desir-
able฀for฀dim฀to฀enable฀when฀talkback฀is฀฀
active.฀This฀could฀include฀the฀case฀where฀
the฀monitor฀system฀is฀normally฀set฀by฀a฀
user฀to฀operate฀at฀a฀very฀low฀SPL฀level.
Stereo฀to฀Mono฀Downmix฀Modes
The฀stereo฀to฀mono฀downmix฀operating฀
mode฀can฀be฀selected฀from฀two฀choices:฀
mono-to-left-and-right฀or฀mono-to-center.฀
For฀music฀mixing฀it’s฀common฀to฀have฀a฀
mono฀function฀combine฀(sum)฀the฀signals฀
from฀the฀left฀and฀right,฀or฀5.1฀downmixed฀to฀
left฀and฀right,฀channels฀and฀route฀the฀result฀
to฀both฀the฀left฀and฀right฀output฀channels.฀
For฀broadcast฀and฀cinema฀use,฀it฀may฀be฀
more฀appropriate฀to฀combine฀the฀left฀and฀
right฀signals฀and฀route฀the฀result฀to฀the฀
monitor฀system’s฀center฀channel.฀By฀฀
default฀the฀mode฀is฀set฀to฀the฀mono-to-฀
center฀mode.
Mono฀Attenuation
To฀meet฀the฀needs฀of฀the฀operator฀and฀
specific฀program฀content,฀an฀attenuation฀
level฀when฀mono-to-center฀is฀active฀can฀฀
be฀configured.฀The฀choices฀are฀0,฀3,฀4,฀and฀
6฀dB.฀Selecting฀0฀dB฀is฀equivalent฀to฀the฀
attenuation฀function฀being฀disabled.฀This฀
results฀in฀no฀attenuation฀occurring฀when฀
stereo฀to฀mono฀downmix฀is฀active.฀This฀
is฀provided฀for฀those฀special฀cases฀when฀
the฀stereo฀to฀mono฀downmix฀mode฀is฀set฀
to฀mono-to-center฀and฀no฀phase฀coher-
ent฀signals฀are฀expected฀to฀be฀part฀of฀the฀
left฀and฀right,฀or฀5.1฀downmixed฀to฀left฀and฀