Studio Technologies StudioComm 76DA User Manual

Central controller and control console

Hide thumbs

Table Of Contents

Quick Links

Download this manual

for Surround

Model 76DA Central Controller and

Model 77 Control Console

User Guide

Issue 9, May 2014

This User Guide is applicable for systems consisting of:

Model 76DA: serial number M76DA-01151 and later

with software version 4.20 and higher and FPGA version 4.12 and higher;

Model 77: serial number M77-00151 and later with software version 4.20 and higher

www.studio-tech.com

50241-0514, Issue 9

Table of Contents

Need help?

Do you have a question about the StudioComm 76DA and is the answer not in the manual?

Questions and answers

Summary of Contents for Studio Technologies StudioComm 76DA

Page 1 Model 76DA: serial number M76DA-01151 and later with software version 4.20 and higher and FPGA version 4.12 and higher; Model 77: serial number M77-00151 and later with software version 4.20 and higher © 2014 by Studio Technologies, Inc., all rights reserved www.studio-tech.com 50241-0514, Issue 9...
Page 2 This page intentionally left blank.
Page 3: Table Of Contents
Surround Table of Contents Introduction..............5 Installation ..............9 Conﬁguration ..............17 Operation..............39 Technical Notes ............46 Speciﬁcations ...............50 Appendix A—Connection Pin-Out Charts ....52 Appendix B—Sync Input Sources ........53 Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 3...
Page 4 Surround This page intentionally left blank. Issue 9, May 2014 Model 76DA/77 User Guide Page 4 Studio Technologies, Inc.
Page 5: Introduction
Model 77 Control Console. It’s the wide range of digital audio sources to be system’s “command center” and is designed monitored. Up to 340 milliseconds of input Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 5...
Page 6 Stereo Input A and Input Stereo Input B input Models 77 & 71 outputs Control Consoles Analog monitor Stereo Surround Input A outputs Input C Remote control inputs Issue 9, May 2014 Model 76DA/77 User Guide Page 6 Studio Technologies, Inc.
Page 7 LFE content. up to four Model 77 or Model 71 Control The bass management function, if enabled, Consoles. A second 9-pin female “D-sub” Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 7...
Page 8 Multiple channels can also be simultaneously selected for muting or For ﬂexibility, the StudioComm for Sur- “soloing.” round system is designed to easily inte- grate with equipment such as production Issue 9, May 2014 Model 76DA/77 User Guide Page 8 Studio Technologies, Inc.
Page 9: Installation
192 kHz shipped in separate cartons. and a word length (depth) of up to 24 bits. It’s best if the connected signal sources Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 9...
Page 10 BNC nominal level of 5 Vpp. Signals of this type connector on their output. are normally interconnected using shielded twisted-pair cable terminated with 3-pin Issue 9, May 2014 Model 76DA/77 User Guide Page 10 Studio Technologies, Inc.
Page 11 – terminal output is intended for use in site-speciﬁc as signal low. In most applications a 3-pin applications. It provides an uninterrupted, Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 11...
Page 12 A wiring assembly prepared for to a set of ampliﬁed speakers that provide the Model 76DA’s analog monitor outputs digital inputs. Issue 9, May 2014 Model 76DA/77 User Guide Page 12 Studio Technologies, Inc.
Page 13 Model 76DA’s sync input will typically audio inputs. The actual sync source can have input termination enabled. If the sync Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 13...
Page 14 1 (data +), pin 6 (data –), such, pins 7 and 2 should remain untermi- pin 4 (DC +), and pin 9 (DC –). The Model nated. 76DA’s connector pin-out scheme was de- Issue 9, May 2014 Model 76DA/77 User Guide Page 14 Studio Technologies, Inc.
Page 15 (The voltage must be measured multiple 9-pin female D-subminiature insu- directly at the Model 77’s 9-pin connector.) lation-displacement connectors attached. So the maximum interconnecting cable Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 15...
Page 16 Model 76DA. Each of the Model 71’s three LEDs will light momentarily. After these LEDs have been lit, the device address will be shown brieﬂy Issue 9, May 2014 Model 76DA/77 User Guide Page 16 Studio Technologies, Inc.
Page 17: Configuration
• Input Delay A and B and respond to user commands. Most • Post-Fader Digital and Analog Monitor of the conﬁguration choices will be made Output Channel Level Offsets Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 17...
Page 18 Model 77 unit. All other settings can be made on any one of the connected Issue 9, May 2014 Model 76DA/77 User Guide Page 18 Studio Technologies, Inc.
Page 19 This is a somewhat-esoteric topic attempting to select the post-fader stereo but can be important in certain situations. digital and analog monitor outputs. The default setting for the mute/solo bass Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 19...
Page 20 BNC connector. The fourth choice allows a source impedance of 110 ohms and the L/R input of the currently selected a nominal 5 Vpp output level would be Issue 9, May 2014 Model 76DA/77 User Guide Page 20 Studio Technologies, Inc.
Page 21 Once the conﬁguration mode has been also not be active. exited, the digital and analog monitor out- puts will again become active. Conﬁrm that the correct level has been stored by Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 21...
Page 22 There are four dim implement the SPL display mode, it can level values available: –10.0, –15.0, –20.0, offer an enhanced experience for Studio- and –25.0 dB. Comm users. Issue 9, May 2014 Model 76DA/77 User Guide Page 22 Studio Technologies, Inc.
Page 23 0 to 340 milliseconds in tion that’s effectively used by numerous 1-millisecond steps. For other sample rates users of Studio Technologies’ StudioComm the time must be linearly scaled. For exam- for Surround products. But there are ap- ple, for a sample rate of 96 kHz the actual plication-speciﬁc situations where modify-...
Page 24 (C), left surround (LS), right surround (RS), and subwoofer (SUB) post-fader monitor outputs will fully mute. Issue 9, May 2014 Model 76DA/77 User Guide Page 24 Studio Technologies, Inc.
Page 25 For example, the tive. Refer to Figure 8 for details. six surround channels could all be conﬁg- ured to have a –3.5 dB output level offset. Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 25...
Page 26 A4; Model 77’s units have a default device address of A1. This ensures that, in most cases, no change will have to be made. Refer to Figure 9 for details. Issue 9, May 2014 Model 76DA/77 User Guide Page 26 Studio Technologies, Inc.
Page 27  Press and hold the conﬁguration button for 2 seconds to enter or exit the conﬁguration mode. These LEDs will light alternately when conﬁguration mode is active. Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 27...
Page 28 Post-fader stereo digital and analog monitor output can be enabled. Note: The Model 77’s device address is the only parameter stored in the Model 77. All other parameters are stored in the Model 76DA. Issue 9, May 2014 Model 76DA/77 User Guide Page 28 Studio Technologies, Inc.
Page 29 Bass management high-pass ﬁlter slope 24 dB/octave. Bass management crossover frequency 80 Hz. Mute/solo pre-bass management mode. Note: Bass management capability only available at sample rates of 44.1, 48, 88.2, and 96 kHz. Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 29...
Page 30 Audio-synced-to-video sample rate 48 kHz. Pre-fader surround/stereo input C direct digital monitor output type balanced AES3 (110 ohms/5 Vpp). Post-fader surround/stereo digital monitor output type balanced AES3 (110 ohms/5 Vpp). Issue 9, May 2014 Model 76DA/77 User Guide Page 30 Studio Technologies, Inc.
Page 31 The 5-second button-press delay is a safety feature ensuring that the reference level will not be accidently changed. To permanently store the new value, you must still exit the conﬁguration mode. Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 31...
Page 32 SPL. the reference level in dB SPL, and auto reference level off. Default: Attenuation display mode selected. 85.0 dB SPL reference level. Auto ref level off disabled. Issue 9, May 2014 Model 76DA/77 User Guide Page 32 Studio Technologies, Inc.
Page 33 Press and hold the Dim button to display and select the dim level, remote mute all, and remote dim. Default: –20 dB dim level. Remote mute all enabled. Remote dim enabled. Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 33...
Page 34 C channel level change –6 dB when surround to stereo downmix function active. LFE level change full attenuation when surround to stereo downmix function active. Pre-fader surround digital monitor outputs pre-downmix. Issue 9, May 2014 Model 76DA/77 User Guide Page 34 Studio Technologies, Inc.
Page 35 –12.0, at which point the display will show – – – –. Default: 6.0 dB channel pop solo up offset level. –6.0 dB channel pop solo down offset level. Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 35...
Page 36 48 kHz sampling rate. The value is scaled up or down for other sample rates. Default: Input delay 0 ms for both A and B. Issue 9, May 2014 Model 76DA/77 User Guide Page 36 Studio Technologies, Inc.
Page 37 The range is –12.0 to 12.0 in 0.5-dB steps. Default: 0.0 dB post-fader surround monitor output level offsets. 0.0 dB post-fader stereo monitor output level offsets. Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 37...
Page 38 Model 77 to device address A1. If another connected unit is already conﬁgured for address A1, normal system operation will stop. Note: The 5-second button-press delay is a safety feature ensuring that the factory defaults will not be accidently restored. Issue 9, May 2014 Model 76DA/77 User Guide Page 38 Studio Technologies, Inc.
Page 39: Operation
StudioComm for Surround operation is agement function. (Operation of the bass controlled using the up to four Model 77 Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 39...
Page 40 “remem- bered” when switching to one of the stereo input sources. Upon returning to surround input A, the surround to stereo downmix function will again become active. Issue 9, May 2014 Model 76DA/77 User Guide Page 40 Studio Technologies, Inc.
Page 41 ﬂash. This exact level can be reached current sample rate value. Pressing and through the use of the rotary level control, Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 41...
Page 42 ﬁve full turns. But the Model 77’s software ated with the dim button will light whenever detects when the control is rotated more quickly and increases the amount of level Issue 9, May 2014 Model 76DA/77 User Guide Page 42 Studio Technologies, Inc.
Page 43 Going from mute mode to solo mode, or vice-versa, clears all active mutes or Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 43...
Page 44 Refer to Figure 10 maximum of 0.0 dB. So a display of –40.5 for details. The selected input delay will be would indicate that the surround or stereo Issue 9, May 2014 Model 76DA/77 User Guide Page 44 Studio Technologies, Inc.
Page 45 In some applications it may be desirable to fader monitor outputs no longer represent disable operation of a Model 71’s dim and the true inter-channel level relationships. reference buttons. An example could be Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 45...
Page 46: Technical Notes
LED will ﬂash brieﬂy but no operating sync source rate and the Model 76DA’s change will occur. The LED will continue conﬁguration. to display the status of the reference level Issue 9, May 2014 Model 76DA/77 User Guide Page 46 Studio Technologies, Inc.
Page 47 Model 76DA all connected Model 77 units anything.) If the error code continues to be will go through a power-up sequence. The displayed the Model 76DA must be returned Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 47...
Page 48 48 kHz. A Model 76DA and all of its it would be nice to proclaim that the en- normally connected input signals will be gineers at Studio Technologies came up “locked” to the main timing reference signal with a unique and exotic circuit to perform that supports the 48 kHz sampling rate.
Page 49 No clicks, pops, or other noises will occur when the Model 77 or Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 49...
Page 50: Specifications
Nominal Level: +4.0 dBu @ –20 dBFS input source LS @ –6 or –9 dB, and RS @ –6 or –9 dB. and level control at maximum setting Issue 9, May 2014 Model 76DA/77 User Guide Page 50 Studio Technologies, Inc.
Page 51 Connector: 9-pin female D-subminiature (DE-9F) Dimensions (Overall): 7.20 inches wide (18.3 cm) 2.20 inches high (5.6 cm) 5.40 inches deep (13.7 cm) Weight: 1.7 pounds (0.8 kg) Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 51...
Page 52: Appendix A-Connection Pin-Out Charts
Connections between Model 76DA and D-subminiature female (DE-9F). Connector uses Model 77 and Model 71 4-40 threaded inserts for locking with mating plug. Connections for Remote Control Inputs Issue 9, May 2014 Model 76DA/77 User Guide Page 52 Studio Technologies, Inc.
Page 53: Appendix B-Sync Input Sources
720p/23.98 Hz 1080p/24 Hz 720p/24 Hz 1080p/25 Hz 720p/25 Hz 1080p/29.97 Hz 720p/29.97 Hz 1080p/30 Hz 720p/30 Hz 1080psf/24 Hz 720p/50 Hz 1080psf/23.98 Hz 720p/59.94 Hz 720p/60 Hz Model 76DA/77 User Guide Issue 9, May 2014 Studio Technologies, Inc. Page 53...

This manual is also suitable for:

Studiocomm 77