Studio Technologies 210 User Manual

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User Guide

Issue 4, October 2008

This User Guide is applicable for serial numbers:

M210-00415 and later

www.studio-tech.com

50311-1008, Issue 4

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Page 1 User Guide Issue 4, October 2008 This User Guide is applicable for serial numbers: M210-00415 and later Copyright © 2008 by Studio Technologies, Inc., all rights reserved www.studio-tech.com 50311-1008, Issue 4...
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Page 3: Table Of Contents
System Features ............5 Installation and Setup ........... 9 Configuration ..............14 Operation ..............21 Technical Notes ............. 25 Specifications ..............34 Appendix A ..............35 Block Diagram Model 210 User Guide Issue 4, October 2008 Studio Technologies, Inc. Page 3...
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Page 5: Introduction
Figure 2. Model 210 back panel ing, talkback output, or headphone cue feed, superior audio quality is maintained Model 210 to be used in a variety of other throughout. A microprocessor provides the audio applications. These include on-air Model 210’s logic power, allowing exacting radio broadcasting, stadium announce- control of the unit’s operation.
Page 6 Flexibility Dynamic Range Control A large part of the Model 210’s unique power is the ability to configure the A studio-quality compressor circuit is pro- operation of the main output and...
Page 7: Headphone Output
DC power to operate duction applications, a variety of button the Model 210 as well as two channels of operating modes is available. The main cue audio. output button can be selected to operate Cue Sources from among four modes.
Page 8 For reliability are accessible via the bottom of the Model all audio routing is performed using solid- 210’s enclosure; the unit does not have to state devices. In all critical audio paths, be disassembled. Changes made to any “clickless”...
Page 9: Installation And Setup
Console Products The quality of the Model 210’s microphone preamplifier and associated circuitry is The Model 210 is just one in a series of such that special applications may benefit announcer console products available from from using “high-end” microphones. If Studio Technologies.
Page 10 3-pin female XLR-type connec- premium-quality headsets, their total cost tor which is located on the Model 210’s of ownership would have been much less. back panel. The mating connector (male) Enough said…...
Page 11 As the secondary winding of the output outputs on multiple Model 210 units to be transformer connects directly to the main connected together. output connector, care should be taken...
Page 12 As previously mentioned, the talkback rectly at the Model 210’s IFB input connec- outputs on multiple Model 210 units can tor, not at the source of the IFB circuit. The be directly connected together. Using one or two audio signals provided by the a simple “Y”...
Page 13 The labels, text volts, correct operation will take place printed on clear material, are placed under over a 20 to 30 volt range. The Model 210 the clear caps on the top of the buttons. requires 70 milliamperes at 24 volts DC From the factory the left button is labeled for correct operation.
Page 14: Configuration
A pair of scissors or an X-ACTO® knife will complete the task. Configuration For the Model 210 to support the needs of specific applications a number of op- erating parameters must be configured. These include microphone preamplifier...
Page 15 1. up to line level, nominally –2 dBu for the It is visible by observing the bottom of the Model 210’s main output. Operating at this Model 210’s enclosure when the security signal level will help to ensure the delivery plate has been removed.
Page 16 In conclusion, the 0 dB gain setting and interrupt audio on pin 3, is connected doesn’t highlight a problem, but simply to the Model 210. In this case it may be reflects the unit’s gain structure. desirable to assign this IFB signal to both the left and right channels.
Page 17 There may be cases where a monaural “single-muff” headset or headphone will be connected to the Model 210’s head- phone output. In this case the desired source(s) should be routed only to the left channel. No sources should be assigned to the right channel.
Page 18 Model 210 its “smarts.” is pressed. Upon power up the main The software has been carefully designed output will be in its muted state.
Page 19 (This is the signal that the stereo headphone output. Switches appears on the tip lead of the ¼-inch SW3-4, SW3-5, and SW3-6 are used to Model 210 User Guide Issue 4, October 2008 Studio Technologies, Inc. Page 19...
Page 20 Model 210 inputs will always be present the balance control in the counterclock- on the headphone output. In most on-air...
Page 21: Operation
Normal operation whenever the talkback output is active. of the Model 210 can now begin. The The LED indicators associated with the unit will begin functioning as soon as a main output will light accordingly.
Page 22 Upon Model 210 power up, the three ton. To clarify, when the Model 210 is set status LEDs will light in succession as a to the production mode, the red LED will firmware “boot up”...
Page 23 If the Model 210 output’s right channel. The control on is selected to the production mode, the the right adjusts the left channel.
Page 24 Model terclockwise position will place both head- 210 users. In an ideal installation, setting phone output channels to 40 dB below the controls to their detent position will maximum.
Page 25: Technical Notes
IFB circuit generally carries related connectors are “floating,” i.e., not con- audio content. For example, on-air talent nected to anything within the Model 210’s hearing in their left ear a small amount of enclosure. Some audio experts might take...
Page 26 “dry” audio outputs. Two directly connected. However, if it’s desired 5-segment LED meters allow direct obser- to connect cue sources to the Model 210 vation of the audio signal levels present on using an IFB-type circuit, the line-level IFB or intercom circuits.
Page 27 If an IFB circuit is powering the Model 210, maintaining the required voltage and cur- And now for another shameless “plug” rent is more critical. Should the voltage or...
Page 28 Model indicating to the talent that it’s “safe” to 210 in a protective case. After much travel say whatever they wish, about whomever with prototype announcer console units, they wish to say it about! Studio Technologies’...
Page 29 Model 210’s larger case that would also hold a related main printed circuit board assembly. One headset, cables, etc. A larger case could end of the cable is plugged into the line also be selected that would hold multiple input card’s 3-position “header”...
Page 30 Note that if one or two line input cards are Two spare connector locations are provid- installed in a Model 210, both “dry” line- ed on the Model 210’s back panel. From level audio signals and a “wet” IFB circuit the factory they contain blank plates that can be connected at the same time.
Page 31 For a great look it is recommended that in a spare location on the Model 210’s back Brother® P-Touch ¼-inch (6 mm) labels panel. For reference, the wire color for pin 1 be created. Tape material that prints white is gray, pin 2 is yellow, and pin 3 is blue.
Page 32 IFB circuit to mon, pin 2 +24 volts, pin 3 not used. Back- power the Model 210 and light the lamps. panel 2.1 x 5.5 mm jack has +24 volts on However, power from the external 24 volt center pin.
Page 33 If a formance. The threshold of the compres- different type of lamp is installed, its power sor circuit is 2 dB above the Model 210’s source should be connected to pins 1 nominal internal operating level of –2 dBu.
Page 34: Specifications
User Guide subject to change without notice. Compressor: Threshold: 2 dB above nominal level Attack/Release Time: 2 mSec/100 mSec, nominal Slope: 5:1, nominal Status LED: compressor active Issue 4, October 2008 Model 210 User Guide Page 34 Studio Technologies, Inc.
Page 35: Appendix A
A label is attached to the security plate on the bottom of the unit. It provides a summary of the configurable parameters and related information. The actual label size 4.25 inches by 4.60 inches. Model 210 User Guide Issue 4, October 2008 Studio Technologies, Inc.
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