Studio Technologies 68A 2001 - Manual (Page 8)

Issue 1, March 2001 Model 68A/69A User Guide
Page 8 Studio Technologies, Inc.
for Surround
The Model 69A provides four buttons and
associated LEDs for selection of the input
source to be monitored. While in most
cases only one input source will be moni-
tored at a time, multiple inputs can be
selected for simultaneous monitoring.
This allows two, three, or all four of the
inputs to be combined (“summed”). While
there is no independent control of the
input levels, this feature can be useful
for creating rough mixes from the source
signals. It is also a fast, effective means
of making a “seat-of-the-pants” check
on the phase relationship between syn-
chronized signals.
The monitor output level is controlled
either through the use of a large, easy-
to-use rotary control, or by enabling the
preset reference level. For operator conve-
nience, the dim function allows the monitor
output level to be reduced by a fixed dB
amount. The mute all function disables all
monitor outputs by activating the mute
relays on the Model 68A Central Control-
ler. A push-button switch allows selection
of either the 6-channel surround or the
2-channel stereo monitor output.
Control of the individual monitor output
channels is provided by the mute/solo
section. One push-button switch sets the
operating mode for either mute or solo.
The flexibility of having both mute and
solo available allows an operator to quickly
select the most comfortable and produc-
tive operating mode. In the mute mode,
individual channels can be muted or un-
muted as required. In the solo mode, one
channel can be monitored while the others
are automatically muted. If desired, mul-
tiple channels can be simultaneously
selected for “soloing.”
Figure 1. Model 68A Central Controller Front Panel
Figure 2. Model 68A Central Controller Back Panel
Power
present LED
Data
active LED
Input 3–
Stereo A
trim pots
Input 1–
Surround A
trim pots
To/from
Model 69A
Control Console
AC mains
connection
Remote control
connections
Input 1 – Surround A
and Input 3 – Stereo A
connections
Input 2 – Surround B
and Input 4 – Stereo B
connections
Surround and
stereo monitor
output connections
Input 2–
Surround B
trim pots
Input 4–
Stereo B
trim pots