Extron electronics RAC 104 manuale d’uso

User ’ s Manual Remote V olume and T one Contr oller 68-782-01 Rev. C 12 08 RAC 104[...]

Precautions This symbol is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment. This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product's enclosure that may present a risk of electric shock. Caution Read In[...]

RAC 104 • Introduction FCC Class A Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generate[...]

ii RAC 104 • Table of Contents T able of Contents, cont’d[...]

RAC 104 • Quick Start Guide V O L U M E & T O N E C O N T R O L L E R 1 2 3 4 B a s s T r e b l e V o l . A D J U S T M E N T S A U D I O C O N T R O L S A B QS-1 T o install and set up the RAC 104 r emote volume and tone controller , follow these steps and see the appropriate section of this manual for details: Step 1 T urn all of the equipm[...]

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 for remote contr ol, connect the host’s RS-232 cable to the RAC 104’ s 3-pole captive screw RS-232 connector . W ir e the connector as shown below . See chapter 3 for more information on r emote co[...]

TOC-i RAC 104 • Table of Contents Chapter 1 • Introduction .......................................................... 1- 1 About the RAC 104 ................................................................ 1- 2 Features ...................................................................................... 1- 2 Chapter 2 • Installation and Ope[...]

vi RAC 104 • Table of Contents T able of Contents, cont’d All trademarks mentioned in this manual are the properties of their respective owners. 68-782-01 Rev. C 12 08 TOC-ii Appendix A • Specifications , Part Numbers, and Accessories .............................................................................. A-1 Specifications ...........[...]

RAC 104 1 Chapter One Intr oduction About the RAC 104 Features[...]

RAC 104 • Introduction Introduction About the RAC 104 The Extron RAC 104 is a high-performance, four-channel remote audio controller that adjusts volume and tone for stereo or mono audio signals. Adjustments are made via the RAC 104’s front panel controls or through a device connected to the unit’s RS-232 connector . The four channels on the [...]

RAC 104 • Introduction 1-3 Consumer and professional audio compatibility — Input and output line level can be set to consumer (-10 dBV) or professional (+4 dBu). Rack, furniture, and projector mountability — The RAC 104 can be mounted on an optional V ersaT ools or Universal rack shelf. Alternatively , it can be mounted under a desk, podium, [...]

RAC 104 • Introduction Introduction, cont’d 1-4[...]

RAC 104 2 Chapter T wo Installation and Operation Mounting the RAC 104 Rear Panel Features and Cabling Front Panel Controls[...]

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) guidelines pertain to the safe installation of the RAC 104 in a rack. 1. Elev[...]

RAC 104 • Installation and Operation 2-3 T abletop use Four self-adhesive rubber feet are included with the RAC 104. For tabletop use, attach one foot at each corner of the bottom side of the unit and place the unit in the desired location. Rack mounting For optional rack mounting, do not install the rubber feet. Mount the RAC 104 on an RSF 123 V[...]

RAC 104 • Installation and Operation Installation and Operation, cont’d Furniture mounting Furniture mount the RAC 104 using the optional MBU 123 mounting kit (Extron part # 70-212-01 ) as follows: 1 . Remove rubber feet if they were previously installed on the bottom of the RAC 104. 2 . Attach the furnitur e mounting brackets to the RAC 104 wi[...]

RAC 104 • Installation and Operation 2-5 Projector mounting Projector mount the RAC 104 using the optional PMK 100 pole mount kit (part # 70-217-01 ) as follows: 1 . Remove rubber feet if they were previously installed on the bottom of the RAC 104. 2 . Attach the pr ojector mounting brackets to the RAC 104 with the machine screws pr ovided. 3 . S[...]

RAC 104 • Installation and Operation Installation and Operation, cont’d 2-6 Rear Panel Features and Cabling RA C 104 ON INPUTS OUTPUTS LINE LEVEL IN A B A B OUT +4 dBu -10 dBV Tx Rx RS-232 PO WER 12V 0.2A MAX A 12 B 34 A 12 B 34 4 1 3 5 2 1 Input connectors — Plug the audio input devices into these two 5-pole captive screw connectors. One ste[...]

RAC 104 • Installation and Operation 2-7 3 RS-232 connector — Plug an optional RS-232 device into this 3-pole captive screw connector . W ire the connector as shown below . T ransmit (Tx) Receive (Rx) Ground (Gnd, ) RS-232 Tx Rx Pin RS-232 function Description 1 Tx T ransmit data 2 Rx Receive data 3 Gnd Signal ground 4 Line level selector DIP s[...]

RAC 104 • Installation and Operation Installation and Operation, cont’d 2-8 Y our RAC 104 may have shipped with a blue captive screw connector . This blue connector can be plugged into either a blue or an orange power receptacle. T he ideal length of exposed (stripped) copper wire for the blue connector is 3/16" (5 mm). The blue connector [...]

RAC 104 • Installation and Operation Front Panel Controls V OLUME & T ONE CONTROLLER 1 2 3 4 BASS TREBLE VO L ADJUSTMENTS A UDIO 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, one for channel group A (channels 1 and 2[...]

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 an adjustment is selected, the corresponding LED lights. If after 10 seconds you do not make any other adjustments or selections on the front pane[...]

RAC 104 • Installation and Operation For example, if the treble on channel 1 is set to 6 and the treble on channel 2 is set to 10, the unit will change channel 2’s treble setting to 6 when the user ties them together . Channel 1 Channel 2 Treble before tie: 6 10 Treble after tie: 6 6 V olume, bass, tr eble, and mute adjustments can now be made [...]

RAC 104 • Installation and Operation Installation and Operation, cont’d 2-12[...]

RAC 104 3 Chapter Thr ee Remote Control Simple Instruction Set Windows-Based Program Control Front Panel Security Lock Out (Executive Modes) Presets Mute[...]

Remote Control RAC 104 • Remote Control The RAC 104 can be controlled remotely via the RS-232 connector using the Extron Simple Instruction Set (SIS) or the Extron W indows-based control program. The RS-232 connector on the RAC 104 is a 3-pole captive screw connector , with one pole for transmitting data, one for receiving data, and one for the g[...]

RAC 104 • Remote Control Controller error responses When the RAC 104 receives an SIS command and determines that it is valid, it performs the command and sends a response to the host device. If the controller is unable to perform the command because the command is invalid or contains invalid parameters, the contoller returns an err or response to[...]

Remote Control, cont’d RAC 104 • Remote Control 3 = group B, channel 3 4 = group B, channel 4 X3 = 0 or 1 0 = off 1 = 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 range (+/-14 dB; 2 dB increment/decrement, tr[...]

RAC 104 • Remote Control 3-5 Command/response 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 gain for channel 3 to 8 dB. Set attenuation (-dB) X[...]

Remote Control, cont’d RAC 104 • Remote Control 3-6 Each of the four channels has three pr esets. The V iew Preset command response tells the user which presets for a particular channel have been used to save settings and which are empty . The r esponse consists of a sequence of three digits. The first, second, and third digits indicate the sta[...]

RAC 104 • Remote Control 3-7 Command ASCII Command Response Additional description (host to RAC 104) (RAC 104 to host) View 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 reset Reset to factory defaults Esc ZXXX Zpx Default settings[...]

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) Front panel lock out (Executive modes) Set executive mode X6 X/x Exe X6 0[...]

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 # V ul X2 * X1 Set volume upper limit for channel[...]

Remote Control, cont’d RAC 104 • Remote Control 3-10 Windows ® -Based Program Control The W indows-based Extron Audio Pr oducts Control Program is compatible with W indows 2000 and W indows XP and provides remote control of the volume, gain, and tone adjustment, and other RAC 104 features. Updates to this program can be downloaded from the Ext[...]

RAC 104 • Remote Control Input/Output Level fields The Input Level and Output Level fields display the current settings for the line level selector DIP switches. See the chapter 2 section, “Rear Panel Features and Cabling”, for more information. Input/Output Level fields Preset Preview button T o view a pr eset before recalling it, select a c[...]

Remote Control, cont’d RAC 104 • Remote Control 3-12 Using the help system For information about program features, you can access the help program in any of the following ways: • From the Extr on Electronics program gr oup, double-click the Audio Products Help icon. • From within the Audio Products Contr ol program, click Help on the task b[...]

RAC 104 • Remote Control Front Panel Security Lockout (Executive Modes) T o pr event accidental changes to the controller settings, the front panel contr ols can be locked using one of two executive modes. The user turns the executive modes on and off using either the SIS or the W indows-based control pr ogram via the RS-232 connector . While an [...]

Remote Control, cont’d RAC 104 • Remote Control 3-14[...]

RAC 104 A Appendix A Specifications, Part Numbers, and Accessories Specifications Included Parts Accessories[...]

RAC 104 • Specifications, Part Numbers, and Accessories Specifications, Part Numbers, and Accessories A-2 Specifications Audio Ga in ................................................ Unbalanced output: -6 dB; balanced output: 0 dB when input gain is set to 0 dB, output volume is at 100, and the input and output are set to the same level via the Li[...]

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 Connectors ................................... (2) [...]

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 ............................. 0.5 lbs (0.3 kg) [...]

Ext r on’ s W a rr ant y E x t ro n E lec t ro ni cs warra nt s t h i s prod u c t a g a in s t defec t s in ma t er i als a n d workma n sh i p for a per i od of t hree years fr om t he da t e of p u rchase. I n t he eve nt of malf un c ti o n d u r ing t he warra nt y per i od a tt r i b ut able d i rec t ly t o fa u l t y workma n sh i p a n d[...]

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