Page 2 - Precautions; Safety Instructions • English
Precautions This symbol is intended to alert the user of importantoperating and maintenance (servicing) instructionsin the literature provided with the equipment. This symbol is intended to alert the user of thepresence of uninsulated dangerous voltage withinthe product's enclosure that may present ...
Page 3 - RAC 104 • Introduction; FCC Class A Notice
RAC 104 • Introduction FCC Class A Notice This equipment has been tested and found to comply with the limits for aClass A digital device, pursuant to part 15 of the FCC Rules. These limits aredesigned to provide reasonable protection against harmful interference when theequipment is operated in a co...
Page 4 - Table of Contents, cont’d
ii RAC 104 • Table of Contents Table of Contents, cont’d
Page 5 - RAC 104 • Quick Start Guide; Turn all of the equipment off and; disconnect the power cords; (if applicable) or affix the rubber feet to the; Attach the cables to the audio input and output devices.; Wire the; Unbalanced Input; Quick Start Guide — RAC 104
RAC 104 • Quick Start Guide VO LU ME & T ON E C ON TR OL LE R 12 34 Bas s Tre ble Vol. AD JU ST ME NT S AU DIO CO NT RO LS A B QS-1 To install and set up the RAC 104 remote volume and tone controller,follow these steps and see the appropriate section of this manual fordetails: Step 1 Turn all of...
Page 6 - Quick Start Guide — RAC 104, cont’d; connect the host’s RS-232 cable to the RAC 104’s; Wire the connector as shown; Connect power cords; . Wire the RAC 104’s power connector as; CAUTION; Turn all the equipment on.; using the front panel controls,; Pin
RAC 104 • Quick Start Guide Quick Start Guide — RAC 104, cont’d QS-2 Step 4 If the RAC 104 is to be connected to a computer or host controller forremote control, connect the host’s RS-232 cable to the RAC 104’s 3-pole captive screw RS-232 connector. Wire the connector as shown below. See chapter 3 f...
Page 7 - RAC 104 • Table of Contents; Chapter 1 • Introduction; Table of Contents
TOC-i RAC 104 • Table of Contents Chapter 1 • Introduction .......................................................... 1-1 About the RAC 104 ................................................................ 1-2 Features .....................................................................................
Page 8 - Appendix A • Specifications; Specifications
vi RAC 104 • Table of Contents Table of Contents, cont’d All trademarks mentioned in this manual are the properties of their respectiveowners. 68-782-01 Rev. C 12 08 TOC-ii Appendix A • Specifications , Part Numbers, and Accessories ......................................................................
Page 9 - Chapter One; Introduction; Features
RAC 104 1 Chapter One Introduction About the RAC 104 Features
Page 11 - Consumer and professional audio compatibility —; Input and; Rack, furniture, and projector mountability; REMOTE; Typical RAC 104 application
RAC 104 • Introduction 1-3 Consumer and professional audio compatibility — Input and output line level can be set to consumer (-10 dBV) orprofessional (+4 dBu). Rack, furniture, and projector mountability — The RAC 104 can be mounted on an optional VersaTools or Universalrack shelf. Alternatively, i...
Page 13 - Chapter Two; Installation and Operation; Rear Panel Features and Cabling
RAC 104 2 Chapter Two Installation and Operation Mounting the RAC 104 Rear Panel Features and Cabling Front Panel Controls
Page 14 - RAC 104 • Installation and Operation; UL rack mounting guidelines; Elevated operating ambient temperature; — If installed in; Reduced air flow; — Install the equipment in a rack so that; Mechanical loading; — Mount the equipment in the rack; Circuit overloading; — Connect the equipment to the
RAC 104 • Installation and Operation Installation and Operation Mounting the RAC 104 The RAC 104 can be set on a table or mounted on a rack shelf,under a desk or tabletop, or on a projector mount. UL rack mounting guidelines The following Underwriters Laboratories (UL) guidelinespertain to the safe ...
Page 15 - Tabletop use; ) or a RSU 129 universal 1U rack shelf; Mounting the RAC 104 on a VersaTools rack shelf
RAC 104 • Installation and Operation 2-3 Tabletop use Four self-adhesive rubber feet are included with the RAC 104.For tabletop use, attach one foot at each corner of the bottomside of the unit and place the unit in the desired location. Rack mounting For optional rack mounting, do not install the r...
Page 16 - Installation and Operation, cont’d; Furniture mounting; Mounting the RAC 104 under furniture
RAC 104 • Installation and Operation Installation and Operation, cont’d Furniture mounting Furniture mount the RAC 104 using the optional MBU 123mounting kit (Extron part # 70-212-01 ) as follows: 1 . Remove rubber feet if they were previously installed onthe bottom of the RAC 104. 2 . Attach the fu...
Page 17 - Projector mounting; Mounting the RAC 104 on a projector mount
RAC 104 • Installation and Operation 2-5 Projector mounting Projector mount the RAC 104 using the optional PMK 100 polemount kit (part # 70-217-01 ) as follows: 1 . Remove rubber feet if they were previously installed onthe bottom of the RAC 104. 2 . Attach the projector mounting brackets to the RAC...
Page 18 - Input connectors —; Plug the audio input devices into these two; Output connectors; — Plug the audio output devices into these
RAC 104 • Installation and Operation Installation and Operation, cont’d 2-6 Rear Panel Features and Cabling RAC 104 ON INPUTS OUTPUTS LINE LEVEL IN A B A B OUT +4 dBu -10 dBV Tx Rx RS-232 POWER 12V 0.2A MAX A 1 2 B 3 4 A 1 2 B 3 4 4 1 3 5 2 1 Input connectors — Plug the audio input devices into thes...
Page 19 - — Plug an optional RS-232 device into this; Line level selector DIP switches; — Set these switches to; Power connector; — An external 12 V power supply is included
RAC 104 • Installation and Operation 2-7 3 RS-232 connector — Plug an optional RS-232 device into this 3-pole captive screw connector. Wire the connector as shownbelow. Transmit (Tx) Receive (Rx) Ground (Gnd, ) RS-232 Tx Rx Pin RS-232 function Description 1 Tx Transmit data 2 Rx Receive data 3 Gnd S...
Page 20 - he ideal length of exposed (stripped) copper wire
RAC 104 • Installation and Operation Installation and Operation, cont’d 2-8 Your RAC 104 may have shipped with a blue captivescrew connector. This blue connector can be pluggedinto either a blue or an orange power receptacle. T he ideal length of exposed (stripped) copper wire for the blue connector...
Page 21 - Front Panel Controls; Power LED —; in; Both LEDs off —
RAC 104 • Installation and Operation Front Panel Controls VOLUME & TONE CONTROLLER 1 2 3 4 BASS TREBLE VOL ADJUSTMENTS AUDIO CONTROLS A B RAC 104 2 3 1 4 1 Power LED — Lights to indicate that the RAC 104 is on. 2 Channel selector buttons and LEDs — The RAC 104 has two channel selector buttons, o...
Page 22 - Adjustment selector button and LEDs; Channel ties; Creating a tie; For bass and treble —
RAC 104 • Installation and Operation Installation and Operation, cont’d 2-10 3 Adjustment selector button and LEDs — Press and release this button to select volume, bass, or treble adjustment. When anadjustment is selected, the corresponding LED lights. If after 10seconds you do not make any other a...
Page 23 - Cancelling a tie; Resetting the RAC 104; Volume; Locking the front panel
RAC 104 • Installation and Operation For example, if the treble on channel 1 is set to 6 and thetreble on channel 2 is set to 10, the unit will changechannel 2’s treble setting to 6 when the user ties themtogether. Channel 1 Channel 2 Treble before tie: 6 10 Treble after tie: 6 6 Volume, bass, trebl...
Page 25 - Chapter Three; Remote Control; Simple Instruction Set
RAC 104 3 Chapter Three Remote Control Simple Instruction Set Windows-Based Program Control Front Panel Security Lock Out (Executive Modes) Presets Mute
Page 26 - RAC 104 • Remote Control; RS-232 connector wiring; RS-232 pin assignment table; Controller-initiated messages
Remote Control RAC 104 • Remote Control The RAC 104 can be controlled remotely via the RS-232connector using the Extron Simple Instruction Set (SIS) or theExtron Windows-based control program. The RS-232 connector on the RAC 104 is a 3-pole captive screwconnector, with one pole for transmitting data...
Page 27 - Controller error responses; upper or lower value limit); Using the command/response table; ASCII to HEX Conversion Table; Symbol definitions
RAC 104 • Remote Control Controller error responses When the RAC 104 receives an SIS command and determinesthat it is valid, it performs the command and sends a responseto the host device. If the controller is unable to perform thecommand because the command is invalid or contains invalidparameters,...
Page 28 - Remote Control, cont’d; = Front panel executive modes
Remote Control, cont’d RAC 104 • Remote Control 3 = group B, channel 34 = group B, channel 4 X3 = 0 or 1 0 = off1 = on X4 = 0 through 14, bass adjustment range (+/-14 dB; 2 dB increment/decrement,bass in dB = [bass number minus 7] times 2;default = 7 [0 dB]). X5 = 0 through 14, treble adjustment ran...
Page 29 - esponse table for SIS commands; Command; Audio input gain/attenuation
RAC 104 • Remote Control 3-5 Command/r esponse table for SIS commands Command ASCII Command Response Additional description (host to RAC 104) (RAC 104 to host) Audio input gain/attenuation Set gain (+dB) X2 * X1 1 G Chn X2 Gain X1 0 Set gain for channel X2 to X1 0 dB. Example: 3*8G Chn3 Gain8 Set ga...
Page 30 - Bass adjustment
Remote Control, cont’d RAC 104 • Remote Control 3-6 Each of the four channels has thr ee pr esets. The V iew Pr eset command r esponse tells the user which pr esets for a particular channel have been used to save settings and which ar e empty . The r esponse consists of a sequence of thr ee digits. ...
Page 31 - iew Pr; Update firmwar
RAC 104 • Remote Control 3-7 Command ASCII Command Response Additional description (host to RAC 104) (RAC 104 to host) V iew Pr eset Settings V iew input gain X2 * X9 *5# X1 0 V iew output volume X2 * X9 *6# X1 V iew bass setting X2 * X9 *7# X4 V iew treble setting X2 * X9 *8# X5 System r eset Reset...
Page 32 - Information r
Remote Control, cont’d RAC 104 • Remote Control 3-8 Commands can be made back-to-back with no spaces. Example 1*1!02!03*03!.. The RAC 104 supports the 2-digit numeric format (01*02). Command ASCII Command Response Additional description (host to RAC 104) (RAC 104 to host) Fr ont panel lock out (Exec...
Page 33 - reble Range Limit Settings
RAC 104 • Remote Control 3-9 Command ASCII Command Response Additional description (host to RAC 104) (RAC 104 to host) V olume, Bass, and T reble Range Limit Settings Set volume lower limit X2 * X1 * 21 # Vll X2 * X1 Set volume lower limit for channel X2 to X1 . Set volume upper limit X2 * X1 * 22 #...
Page 34 - Windows; Installing the software; The Extron software CD window appears.; Using the software; The Audio Products Control Program main
Remote Control, cont’d RAC 104 • Remote Control 3-10 Windows ® -Based Program Control The Windows-based Extron Audio Products Control Program iscompatible with Windows 2000 and Windows XP and providesremote control of the volume, gain, and tone adjustment, andother RAC 104 features. Updates to this ...
Page 35 - Input/Output Level fields; for more; Preset Preview button; Setting volume and tone limits
RAC 104 • Remote Control Input/Output Level fields The Input Level and Output Level fields display the currentsettings for the line level selector DIP switches. See the chapter2 section, “Rear Panel Features and Cabling”, for more information. Input/Output Level fields Preset Preview button To view ...
Page 36 - Using the help system; Run the Audio Products Control Program.
Remote Control, cont’d RAC 104 • Remote Control 3-12 Using the help system For information about program features, you can access thehelp program in any of the following ways: • From the Extron Electronics program group, double-clickthe Audio Products Help icon. • From within the Audio Products Cont...
Page 37 - Executive mode 1; locks the tone controls and channel selector; Executive mode 2; locks all the front panel controls.; Presets
RAC 104 • Remote Control Front Panel Security Lockout (ExecutiveModes) To prevent accidental changes to the controller settings, thefront panel controls can be locked using one of two executivemodes. The user turns the executive modes on and off usingeither the SIS or the Windows-based control progr...
Page 39 - Appendix A; and Accessories
RAC 104 A Appendix A Specifications, Part Numbers, and Accessories Specifications Included Parts Accessories
Page 40 - RAC 104 • Specifications, Part Numbers, and Accessories; Specifications, Part Numbers, and Accessories; Audio; DC coupled
RAC 104 • Specifications, Part Numbers, and Accessories Specifications, Part Numbers, and Accessories A-2 Specifications Audio Gain ................................................ Unbalanced output: -6 dB; balanced output: 0 dBwhen input gain is set to 0 dB, outputvolume is at 100, and the input an...
Page 41 - Audio output; for Windows; General; Mounting
RAC 104 • Specifications, Part Numbers, and Accessories A-3 Input gain adjustment ................. –12 dB to +12 dB 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu. Audio output Number/signal type ................... 4 channels, which can be mono or tied into stereo pairs, balanced/unbalanced Conne...
Page 42 - Included Parts; Included parts; Accessories
RAC 104 • Specifications, Part Numbers, and Accessories Specifications, Part Numbers, Accessories, cont’d Enclosure dimensions ................. 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide)4.3 cm H x 10.9 cm W x 7.6 cm D(Depth excludes connectors and knob.) Product weight .........
