StudioComm 50 Central Controller User Manual

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Model 50 Central Controller,

Model 51 Control Console,

and Related Components

User Guide

Issue 6, September 2004

This User Guide is applicable for systems consisting of:

Model 50, serial number M50-00457 and later;

Model 51, serial number M51-00457 and later

www.studio-tech.com

50060-0904, Issue 6

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Summary of Contents for StudioComm 50 Central Controller

Page 1: User Guide
Model 50 Central Controller, Model 51 Control Console, and Related Components User Guide Issue 6, September 2004 This User Guide is applicable for systems consisting of: Model 50, serial number M50-00457 and later; Model 51, serial number M51-00457 and later ©...
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Page 3: Table Of Contents
Technical Notes ............. 32 Specifications ..............36 Appendix A ..............39 MIDI Messages ............40 Block Diagrams Model 50 Central Controller Model 51 Control Console Model 35/Model 38 Talent Amplifiers Model 70 Interface Model 50/51 User Guide Issue 6, September 2004 Studio Technologies, Inc.
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Page 5: Foreword
Technologies’ design is ready to go only when I am completely satisfied. My entire focus for the StudioComm series was to make a system that you’d really enjoy using, and one that would perform reliably for years. I hope you share my enthusiasm.
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Page 7: Introduction
The Model 50 Central Controller and the Each input is independently software Model 51 Control Console work together configurable for a nominal input level of to provide performance and features –10dBV or +4dBu.
Page 8 Each input can also be configured to Room A/B button allows the control room operate as a mono input. In this manner, A or B outputs to be activated. The Mono a signal connected to the left input is button allows the sum (L+R) of the select- routed to both the left and right outputs.
Page 9 MIDI Control a wave form display screen. All Model 50 Central Controller functions Four functions can be set for push-to-latch are controlled using system-exclusive MIDI operation if desired: talk to studio, talk to messages.
Page 10 Model 51 Front Panel Configure button Built-in microphone for switches between communications functions (talk to studio, normal operation Studio on/off button and configure mode talk to phones, slate) and level control Source selection Change the control room for control room (CR), level;...
Page 11 Each Model 35 and Model 38 Talent Headphone Monitoring Amplifier can drive two sets of high- The StudioComm system contains an impedance headphones (>150Ω). The integrated, full-featured headphone (cue) audio output is loud, and very “clean.”...
Page 12: Installation
One or more Model 35 or Model 38 Talent Like the Model 35, the Model 38 is linked Amplifiers will be connected. A location with a Model 50 Central Controller by a will be selected for the Model 51 Control single cable.
Page 13 System Components Balanced Input and Output Connections The main StudioComm shipping carton Ring: – contains a Model 50 Central Controller, Model 51 Control Console, 5-conductor Tip: + MIDI-style cable, and User Guide. Units destined for North America are shipped with an AC mains cord. Your dealer or...
Page 14 should be connected to the left (L) input Dub Output and configured for mono operation (refer The Model 50 contains a stereo line-level to the Configuration section under Stereo/ output which is intended for connection Mono Input). to a variety of analog audio devices. The dub output is electronically balanced Control Room Outputs and capable of driving 600 ohm loads or...
Page 15 through connector on that talent amp send- Meter Output ing the signal on to the next talent amp. Ring: Right output For convenience, you may want to wire your facility to allow easy access to the Tip: Left output talent amplifier signal at all locations where talent amplifiers might be used.
Page 16 the female 5-pin DIN-type connectors Should it be necessary to change on the back of the Model 50 and 51, the unit’s operating voltage it must be and you’re done. performed only at the factory or by an authorized service technician. Note: If you require a longer cable, be certain to buy a MIDI cable that has all five The Model 50 uses an IEC standard...
Page 17: Advanced Installation Topics
Advanced The design of the Model 51 did not allow the inclusion of threaded inserts, so holes Installation Topics of adequate size to allow ¼ -20 round head machine screws are provided. It is intend- ed that screws of -inch length, along Model 35 Stand Mounting with lock washers and machine nuts, will Included with each Model 35 Talent...
Page 18 To use your own microphone and preamp, the Model 50 Central Controller’s talent directly connect it using the Mic Module amplifier output with other audio equip- input jack. The Mic Module input is a ment.
Page 19: Configuration
Pin 1 is shield, pin 2 is signal positive (+ or hot), Many StudioComm functions can be con- and pin 3 is signal negative (– or cold). figured to meet the exact needs of your The electronically balanced outputs installation.
Page 20 • Headphone source is independently For convenience, Input 7 is located on the front panel of the Model 50. It has selected or follows control room source a green LED beside it labeled +4 Input • Momentary or latching operation for Level.
Page 21 Auto Dim Off The auto dim off function is unique to StudioComm products, making the dim function respond to real world operating conditions. When enabled, the function When the orange LED is on in row two,...
Page 22: Model 51 Configuration Chart-Main Functions
Model 51 Configuration Chart—Main Functions Press and hold Press button to toggle between Configure for two seconds studio follows control room to enter or exit the configure source and studio follows head- mode; while in configure, phone source; LED on means LED will flash studio follows headphones Press...
Page 23: Model 51 Configuration Chart-Alternate Functions
Model 51 Configuration Chart—Alternate Functions Press and hold Phones/Studio, then press CR/Studio 1 to toggle between normal headphone source and headphones follow control room source; LED on means head- phones follow control room Press and hold Level Up to activate alternate configure functions Press and hold Phones/Studio, Press Talk to Studio to...
Page 24 In the configure mode the Dim LED tells Talk to Phones Interrupt or Add you if auto dim off is enabled. When the The talk to phones function can be config- dim LED is off, the auto dim off function is ured to either interrupt the source selected off;...
Page 25: Operation
While this most flexible there are opera- Model 50 Central Controller tional scenarios where it would be conve- The Model 50 front panel contains seven nient for the dub source to follow whatever LEDs, one stereo line input, and one ste- is selected for the control room source.
Page 26 Model 51 Control Console configured. In the default operating mode, to select an input for the headphones, All StudioComm functions are controlled press and hold the Phones/Studio button using the Model 51 Control Console. To and press one of the seven CR/Studio make things easy, we’ve divided the...
Page 27 If the headphone source has been con- If the dub source has been configured to figured to follow the control room source, follow the control room source, each time each time one of the CR/Studio buttons one of the CR/Studio buttons is pressed, is pressed, the headphone source will fol- the dub source will follow.
Page 28 If the auto dim off function is enabled, off, the feed to the studio is off. When the whenever dim is on and the control room LED beside the button is lit, the feed to the level is changed, dim will automatically re- studio is on.
Page 29 level to the headphones will be determined Configure Mode by the slate level setting (not the talk to Refer to the Configuration section for an phones level). understanding of how to use the Configure button. The talk to phones function is configured to interrupt or to add to the selected head- Talent Amplifiers phone source.
Page 30: Troubleshooting
If you’re having problems getting the from the Model 50. The Cue Mix Stereo/ StudioComm system up and running, this Mono button switches both headphone section can help. If you haven’t read the...
Page 31 If the LED does light, troubleshooting Input Data LEDs should prove quite simple. Begin by The Model 50 Central Controller’s front disconnecting the cable that is plugged panel contains two LEDs that represent in- into the talent amplifier output connector.
Page 32: Technical Notes
Talent Amplifier Cable Length system-exclusive MIDI messages which There are no hard and fast rules defining are sent to the Model 50 Central Controller the maximum cable length when connect- using a 5-conductor MIDI-style intercon- ing Model 35 or Model 38 Talent Amplifiers necting cable.
Page 33 6dB. This is what many recording consoles implement, and “Hot” Disconnection of the Model 51 is what the StudioComm does too! We Control Console understand that specialized applications Should you need to relocate the Model 51...
Page 34 Model 51’s Communication Switch Noise microphone. Using a microphone and simple preamplifier (or microphones and During field trials of the StudioComm an inexpensive mixer) you can optimize components one item came up for Issue 6, September 2004...
Page 35 Installation Topics section of this user guide. Power Amplifier Input Sensitivity Optimum StudioComm performance is obtained when the input sensitivity of the control room and studio power amplifiers are adjusted to match the Model 50’s out- put level. With normal, but loud, listening...
Page 36: Specifications
Talent Amplifier Output: Application: provides power and audio signals for up to four Model 35 or Model 38 Talent Amplifiers. Model 50 Central Controller The output connector (3-pin XLR-type, male) has common on pin 1, +23Vdc modulated with left Audio Inputs: 7, stereo channel audio at –10dBu on pin 2, and right chan-...
Page 37: Model 51 Control Console
Maximum Output Voltage: 16V peak-to-peak into provided by Model 50 Central Controller 150 ohms @ 1% THD+Noise, 400Hz Connectors: Distortion (THD+N): 0.03% To Model 50 Central Controller: 5-pin DIN-type, Frequency Response: 20Hz-20kHz ±0.5dB female Dimensions (Overall): Remote Control: ¼ -inch, 3-conductor phone jack 4.2 inches wide (10.7cm)
Page 38 Weight: 1.5 pounds (0.7kg) Model 70 Interface Power Requirements: +20-32Vdc (modulated with left channel audio), provided by Model 50 Central Controller Power Present LED: red, indicates presence of operating power Issue 6, September 2004 Model 50/51 User Guide Page 38...
Page 39: Appendix A
Appendix A Controlling the Model 50 The Model 50 Central Controller uses MIDI system-exclusive messages to control all functions. The Model 51 Control Console is programmed to generate a subset of what the Model 50 is capable of doing. By using standard MIDI messages, the Model 50 can be used for a wide range of special applications.
Page 40: Midi Messages
Function: Reset to Power Up Default Configuration Byte Value Description System-Exclusive Message 1st Byte of Studio Tech ID 2nd Byte of Studio Tech ID 3rd Byte of Studio Tech ID Product ID (Model 50) Function: Restore Power Up Default Configuration EOX, End of System Exclusive Action taken after Model 50 receives MIDI message: 1.
Page 41 Function: Control Room Source Byte Value Description System-Exclusive Message 1st Byte of Studio Tech ID 2nd Byte of Studio Tech ID 3rd Byte of Studio Tech ID Product ID (Model 50) Function: Control Room Source Source Selected, m range 0-2: 0=stereo, 1=left only, 2=right only; n range 0-7: 0=no input, 1=input 1, 2=input 2, etc.
Page 42 Function: Control Room Level Byte Value Description System-Exclusive Message 1st Byte of Studio Tech ID 2nd Byte of Studio Tech ID 3rd Byte of Studio Tech ID Product ID (Model 50) Function: Control Room Level Level, MSB, range 0-3, see note 1 Level, LSB, range 00-7F, see note 1 EOX, End of System Exclusive Note 1: MSB=0 allows LSB to control lower 128 level steps, MSB=1 allows LSB field to control upper...
Page 43 Function: Control Room Output Select Byte Value Description System-Exclusive Message 1st Byte of Studio Tech ID 2nd Byte of Studio Tech ID 3rd Byte of Studio Tech ID Product ID (Model 50) Function: Control Room Output Select Output Selected, Range 00-33: L Ch.
Page 44 Function: Studio On/Off Status Byte Value Description System-Exclusive Message 1st Byte of Studio Tech ID 2nd Byte of Studio Tech ID 3rd Byte of Studio Tech ID Product ID (Model 50) Function: Studio Output Status Status, Range 0-1, 0=Off, 1=On EOX, End of System Exclusive Function: Talk to Studio Byte...
Page 45 Function: Set Dim Level Byte Value Description System-Exclusive Message 1st Byte of Studio Tech ID 2nd Byte of Studio Tech ID 3rd Byte of Studio Tech ID Product ID (Model 50) Function: Set Dim Level Status, Range 0-5: 0=full mute (approx. 70dB) 1=30dB dim 2=25dB dim 3=20dB dim...
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This manual is also suitable for:

51 control console 35 talent amplifier 38 talent amplifier