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Lectrosonics Venue user manual May 2005

1. BLOCK 21 BLOCK 22 BLOCK 21 BLOCK 22 BLOCK 21 BLOCK 22 Compatible Frequency Chart cont BLOCK 25 BLOCK 26 BLOCK 27 BLOCK 28 BLOCK 29 FREa sw ser us tv oh Fred 640 500 v42 686 100 t46 las 666 700 oB 146 692 300 71790 oB w55 f 743500 o F ws 668 200 taz _ 693 800 TA 669 500 waz _ 695 100 27 tv51 670 400 tv47 696 000 3 0 tv51 721 600 670 900 tv47 696 500 3 5 tv51 722 100 3 671 700 tv47 697 300 3 D tv51 722 900 7 678 100 tv48 703 700 7D tv52 729 300 tv57 680 300 tv49 705 900 9 3 tv53 731 500 tv57 eo 641 100 tv42 95 ow 642 000 1 4 tv42 642 600 1A tv42 643 900 27 t42 644 800 30 1v43 645 300 35 vaa 646 100 3D vaa 652 500 7D tv44 654 700 93 tv44 655 400 9A vaa PAT 656 700 tv45 681 000 tv49 706 600 9A tv53 732 200 tv57 707 900 A 7 tv53 733 500 tv57 658 500 B9 tv45 684 100 B9 vag 709 700 tv53 735 300 w58 f 760 900
2. TRANSMITTER PHASE CANCELLATION lt gt K gt DIRECT SIGNAL INDIRECT SIGNAL MULTI PATH DROPOUT Rio Rancho N M USA 25 Venue Receiver VR Replacement Parts and Accessories Part No DCR15 1A2U AS00RA SNA600 ALP600 ALP700A ARG15 ARG100 VRS VRT P1196 UFM 50 MC65 Description Power Supply for Venue Receiver 90 240 VAC 50 60 Hz input 15 VDC regulated 1 2 A max output 18 W UHF flexible whip antenna with right angle BNC connector 470 767 MHz Collapsible dipole antenna adjustable from 550 MHz to 800 MHz Ideal for situations where a full 360 degree receiving pattern is required as opposed to a directional pattern Shark Fin Log Periodic Dipole Array LPDA provides useful directional pattern over 500 to 800 MHz range Ideal for portable applications including temporary setups for field production Although the ALP600 is extremely rugged it is not intended to be left outdoors permanently LPDA Log Periodic Dipole Array provides useful directional pattern over a broad frequency bandwidth 500 to 800 MHz Coaxial cables for remote antennas are available from Lectrosonics in a variety of lengths from 2 to 100 ft Cables include Velcro tie wraps Standard receiver module Tracking receiver module Receiver Module Retainer Clips for securing individual receiver modules in VR chassis UHF Filter Amplifier Module A
3. B9 vas 659 400 C2 w45 685 000 tv49 710 600 C 2 tv54 736 200 687 600 w50 f 713 200 De ws4 682 300 tv49 0 5 1 4 1 A 2 3 0 IS D D 9 3 9 A A 7 C 2 661 800 iva5 L 687 400 tv50 tv50 tv50 tv50 Rio Rancho NM USA 23 662 400 tv46 663 100 tv46 664 900 F 9 tv46 688 000 688 700 690 500 5 4 5 A 6 4 7 0 7 5 7 B B 3 C 2 D 3 D A E 0 EM YS 7 8 Bs ea ea 661 100 0 3 wa 686 700 tv50 See eas Beas Venue Receiver frequencies in Row 2 If you are forced to use frequencies from Row 1 with frequencies from Row 2 be aware that intermodulation problems may exist Rule No 2 Frequencies within an individual frequency block in the same row are compatible For example all 16 frequencies within Row 1 Block 21 are compatible and all frequencies in Row 2 Block 21 are compatible However frequencies in Row 1 Block 21 are not compatible with the frequencies in Row 2 Block 21 If possible it is highly recommeneded to choose frequencies that are in the same row and same group For example stick with frequencies in Row 1 Group A or Row 2 Group D rather than choosing frequencies from Row 1 Groups A and B Rule No 3 Some frequencies in adjacent blocks are compatible and some are not Refer to the Compatible Incompatible illustration which shows compatible and incompatible frequency relationships By following the three rules it is possible to locate a number
4. cursor for the currently selected receiver across the tuning range As the cursor scrolls across the tuning range the Transmitter Frequency Select Switch settings associated with the cursor location are shown in the upper right corner of the display Up to six individual cursors appear in Scan mode depending on the number of receiver modules installed and the diversity modes selected See DivMode Setup Screen Pressing the Receiver Select button for an individual receiver selects the corresponding cursor for that receiver The selected cursor blinks The corresponding Receiver Module box will be highlighted and that receiver will be monitored at the PHONES jack Rotating the MENU SELECT control moves the selected cursor and tunes the selected receiver in real time The location of the selected cursor also controls the value displayed for the Transmitter Frequency Select Switch settings Changing the cursor location or selecting a different receiver module and thus a different cursor will change the value for the Transmitter Frequency Select Switch setting Zoom Mode Pressing the Function button from Stop mode accesses Zoom mode which displays an expanded portion of the spectrum around a fixed vertical cursor In this view each vertical band represents one frequency 100 kHz As the MENU SELECT control is rotated a 6 6 MHz window moves across the frequency block The relative position of this window in the frequency block ran
5. pressing the POWER On Off switch Current Scan mode Press Function button to halt scanning Receiver Modules automatically selected for scanning Accumulated peaks Press Function Currently Selected Receiver Module button to enter Zoom mode Press Function button to resume scanning Relative position of 6 6 MHz window in frequency block Transmitter Frequency Select Switch settings Cursor Location Currently Selected Receiver Module In Scan mode the highlighted Receiver Module boxes are the receiver modules automatically selected for use for spectrum analysis The user cannot change this selection The lowest numbered receiver from each frequency block is used They are essentially borrowed for the scanning function and are returned to their Original frequencies in Stop or Zoom modes or when Scan is exited In Scan mode each vertical band of the display represents eight frequencies 800 kHz Warning If one of the receiver modules is manually tuned in Stop mode or Zoom mode the new frequency setting will persist when exiting Scan Moving the cursor for the selected receiver module tunes that receiver in real time Stop Mode To stop scanning but not exit Scan press the front panel Function button once In Stop mode each vertical band in the display still represents eight frequencies 800 20 SSeS Modular Digital Hybrid Wireless kHz Rotating the MENU SELECT control scrolls the
6. 1 Row 1 and Row 2 live in two different worlds The frequencies in Row 1 are not compatible with the Compatible Frequency Chart BLOCK 21 T 89 ws FREQ BLOCK 22 man o8 wo SW SET US TV CH ep BLOCK 24 SW SET US TV CH tv38 tv38 tv38 BLOCK 23 FREQ 614 900 615 500 616 400 618 300 619 200 tv38 619 700 tv38 620 500 tv39 tv38 08 0B oia 617 000 1A w38 OO 27 30 35 05 1 4 1 A 2 7 3 0 3 5 D 601 300 tv35 603 500 tv36 604 200 tv36 605 500 tv36 607 300 Bg tv36 NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE FREQ SW SET US TV CH 4 595 700 tv34 FREQ SWSET USTVCH 596 300 tv35 597 200 tv35 597 800 tv35 598 800 tv35 600 000 tv35 600 500 tv35 601 100 tv35 tv41 tv41 632 300 633 300 633 800 tv41 635 500 tv41 D BD 636 200 tv41 NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE 636 800 tv41 637 500 tv41 639 300 tv42 22 c A alain Modular DigitalHybrid Wireless Reeiver System SSS SS SS Saag SSeS Compatible Incompatible The following frequency combinations have no The following frequency combinations have intermodulation problems intermodulation problems and should not be used BLOCK 21 BLOCK 22 BLOCK 21 BLOCK 22 sao o BLOCK 21 BLOCK 22 BLOCK 21
7. LCD A variety of menus and setup screens are provided to assist with the setup and also to allow for changing all parameters without the need to connect a computer system The main components of the LCD interface are the Function Button BACK Button Receiver Select Buttons MENU SELECT rotary encoder switch and the LCD Note Adjustments made through the LCD interface are performed in real time As each setting is made the results will be immediately observed Types of Information Displayed The information displayed via the front panel LCD includes powerup screens receiver screens TopMenu setup menus and setup screens including scanning functions Powerup Screens A series of three screens is displayed when the unit is first turned on These Powerup screens identify the firmware version and block configuration of the VRM and installed receiver modules They are followed by the Overview Screen which displays the operating status of the installed receiver modules LCD Function Button PUSH FOR MENU SELECT O BACK BACK Button MENU Receiver Select Buttons SE LE CT Switch Overview Screen The Overview Screen which appears after the Powerup Sequence is completed is the normal display during operation This screen is sectioned into six equal columns one for each receiver module location Any given column displays information about the corresponding receiver module This information includes relative audi
8. SWITCH HI LEVEL MIXER 1st Mixer Switched Antenna Ant B Smart Diversity Detector Out Module Select and Serial Data VRT Functional Block Diagram CONTROLLED OSCILLATOR 244 MHz 244 MHz P Do 2nd Mixer Direct Antenna Ant A ANTENNA TRACKING TRACKING 10 7 MHz FILTER FILTER L DIVERSITY KA HI ae SWITCH E T COUNTING Switched Antenna Ant B DETECTOR aI n Ea H i Smart Diversity 50KH Tracking Filter Lp S Detector Out Tuning Control Module Select and Serial Data PLL FILTER 1st FILTER VCO PLL Lock lt _ eve SIZER FILTER ii increased selectivity provided by the tracking filters is output from the Digital Pulse Counter is an analog signal highly beneficial in RF rich environments which is fed through a low pass filter and on to the VRM IF Amplifiers and SAW Filters Power Supply The first IF low noise amplifier is controlled with The Venue System can be operated from an external DC feedback regulation and drives a quartz SAW Surface power source witha range of 10 VDC 1 2 A to 18 Acoustical Wave filter The 244 MHz SAW filter VDC 700 mA A 15 DCV 1 23 amp power source is combines sharp tuning constant group delay wide supplied with each unit The receiver has a built in Poly bandwidth and excellent temperature stability far Fuse to protect the unit If a problem occurs that trips superior to conventional LC filters The second mixer
9. Spurious Rejection Diversity Methods FM Detector Audio Performance overall system Frequency Response THD SNR at receiver output dB in Hybrid operating mode Block 21 Block 22 Block 23 Block 24 Block 25 Block 26 Block 27 Block 28 Block 29 537 600 563 200 988 800 614 400 640 000 665 600 691 200 716 800 742 400 563 100 588 700 607 900 and 614 100 614 300 639 900 665 500 691 100 716 700 742 300 767 900 3 0 mS whole system Digital Hybrid transmitter 3 0 mS whole system analog transmitter 1 5 mS receiver only Digital Hybrid mode 3 0 mS receiver only analog compatibility mode delay is added to analog channels to align them with digital channels 256 frequencies in 100 kHz steps Built in antenna mulitcoupler covers a two block range Block 21 22 537 600 588 700 Block 22 23 563 200 614 300 excluding 608 000 to 614 000 Block 23 24 588 800 639 900 excluding 608 000 to 614 000 Block 24 25 614 400 665 500 Block 25 26 640 000 691 100 Block 26 27 665 600 716 700 Block 27 28 691 200 742 300 Block 28 29 716 800 767 900 25 to 32 kHz 5kHz deviation unique pilot tone frequency for each selected carrier frequency Digital Hybrid mode 75 kHz max Hybrid mode Triple conversion superheterodyne 0 001 50 MHz 3 dB VR Master 0 9 uV gt 60 dB 2 uV to 1 Volt 85 dB Switched ratio and frequency Digital pulse counting detect
10. Turn on the transmitter power and the audio switch on some models and wait 3 to 5 seconds for the P to indicate steadily Observe the RF Signal Strength Meter on the Receiver Detail Screen If the there is little or no RF then the problem is RF related If there is plenty of RF then the transmitter and receiver are not on the same frequency or there may be a compatiblity mode mismatch The pilot tone squelch bypass has been activated Set PilotBP for selected Receiver Module to NORMAL Receiver Module is set to a Compatibility Mode that doesn t use pilot tone Check that the Receiver Module s Compatibility Mode matches the associated transmitter as any sufficiently strong signal can unsquelch the receiver in this mode compatible or not Note In Digital Hybrid 400 Series 200 Series and IFB compatibility modes the PILOT indicator on the front panel shows as a Solid P to indicate that the audio has been turned on at the transmitter and that the audio output on the receiver is enabled When the P is on the audio is enabled If the P is flashing the pilot tone is not detected and the audio will be muted squelched In the other compatibility modes no pilot tone is used and the P is never displayed Audio is present whenever the receiver detects a sufficiently strong signal Activating the pilot bypass function in any mode causes a lowercase b to appear in the pilot indicator position on t
11. menu accesses the setup screens used to tem then press the control to access it control the operation of the receiver modules These While each setup screen affects a different setup include audio level antenna phase transmitter battery parameter they all follow the same basic design They condition noise reduction pilot tone squelch bypass identify the setup item selected receiver module and compatibility mode tuning group selection and diversity setup parameters plus any special functions that are mode affected by the front panel Function pushbutton Six boxes are also displayed along the bottom of each setup screen with one box highlighted These boxes correspond to the installed receiver modules The highlighted box is the currently selected module Each box displays the parameter setting for one receiver module Pressing a front panel Receiver Select button Special Setup Selected selects the corresponding receiver module as the current Function Screen Title Racciver Module module allowing modification of that module s Display parameters Area Level Setup Screen The Level setup screen displays the audio output level setting of the selected receiver The output range is from 15 dBu to 8 dBu in 1 dB increments The Level Setup Setup Screen displays the selected receiver audio output level Receiver Modules Parameter setting and reference tone status RioRancho NM USA 13 Venue Receiver E An internally generate
12. of potential clear operating frequencies early in the production that are intermodulation free then refine the list during system setup Using the Scan Function Refer to the section titled Using Scan to Find Clear Channels for details on how to use the built in soectrum scanner Interference can result from a wide variety of Sources including TV station signals other wireless equipment in use nearby or from intermodulation within the Venue system itself The RF spectrum analyzer built into the Venue system uses a receiver in each frequency block to scan the tunable spectrum and find clear channels with little or no interference After scanning and finding the needed number of clear channels one final procedure is necessary to verify the compatibility of the chosen frequencies Turn on all transmitters and receivers and verify there is a strong RF signal for each receiver Turn each transmitter off one at a time and observe the RF level indicator on the matching receiver The RF level should disappear or drop to a very low level If it does not change frequency on that receiver and transmitter and try it again Any time a frequency is changed on any of the systems in use you must start at the beginning and go through this procedure for all systems This will test for higher order imtermodulation from all signal sources and avoid interference Call Lectrosonics Lectrosonics uses a proprietary computer program to perform th
13. one member of the pair has the effect of selecting or operating on both receiver modules in the pair Frequency diversity adds another facet in that it uses two transmitters requiring the transmitter outputs to be balanced in order for this mode to function correctly The figure below shows Receiver Modules 5 and 6 set for Frequency Diversity Mode Receiver Module Pair SmartDiversity The VRM is designed to route both antenna inputs to each receiver module SmartDiversity is a microprocessor controlled antenna phase switching process which switches phase angle between the antenna inputs by 0 or 180 degrees depending on relative RF The goal is to minimize dropouts caused by multi path reflections Diversity Mode Antenna Phase Angle Since each receiver actually acts independently in this mode SmartDiversity allows diversity reception of up to six independent channels OptiBlend OptiBlend is a ratio diversity method which combines the audio output from two adjacent receiver modules 1 2 3 4 or 5 6 relative to the RF signal input levels at both receivers The Overview Screen displays the paired receivers with the relative RF input for each receiver and a single combined audio output While two independent RF channels are displayed on the Overview Screen all other setup parameters are the same for both Combined Audio Diversity Mode Receiver Module Paif Separate RF Separate RF 18 Sother
14. switched diversity receivers Switched diversity or SMART Diversity minimizes dropouts in situations where multi path reflections can cause serious problems The phase diversity switch is controlled by the VRM microprocessor using a sophisticated algorithm that ensures antenna phase switching is performed at optimal times RF Front End and Mixer VRS Module A tuned LC filter before and after a low noise high current RF amplifier provides good selectivity The first mixer uses GaAs technology with a very high third order intercept point The overall design ensures stability selectivity and precise gain in order to handle strong RF signals without input overload RF Frequency Tracking Front End and Mixer VRT Module The VRT module includes two RF frequency tracking filters controlled by the microprocessor to increase selectivity Each tracking filter consists of two varactor tuned ceramic line resonators A tuned LC filter is also provided after a low noise high current RF amplifier and before the second tracking filter As with the VRS module the first mixer uses GaAs technology with a very high third order intercept point The overall design ensures Stability selectivity and precise gain in order to handle strong RF signals without input overload The Venue Receiver VRS Functional Block Diagram 3rd Mixer and COUNTING DETECTOR 50KHz LP FILTER IF Amp Direct Antenna Ant A ANTENNA DIVERSITY
15. that pair In this screen the RF Signal Strength meter is split with each side showing the RF signal strength of one of the members of the diversity pair In the previous figure the RF signal strength for Receiver Module 5 is the left half of the meter and the RF signal strength for Receiver Mocule 6 is the right half Reeiver System In Frequency Diversity mode the compatibility mode noise reduction pilot tone bypass and output level are all matched For example setting the compatibility mode to Digital Hybrid in one receiver of the pair automatically sets the other receiver to the same compatibility mode However transmitter battery monitoring and operating frequency are set independently Frequency Diversity has two modes of operation normal mode and test mode Test mode is automatically activated when the DivMode Setup Screen is active and Frequency Diversity is selected In this mode the audio is always blended exactly 50 50 allowing a true null to be achieved when the INVT function is activated When exiting this setup screen normal mode is activated and the blending ratio depends on the RF signal strengths The INVT control is used during system setup to match the audio from each transmitter receiver module pair Pressing the front panel Function button inverts the audio from the second half of the selected receiver pair This control can be used to balance transmitter audio output levels and to allow transmitters having
16. 13 TOPA e E E E 13 S E Uc AAE E meer nr E E T E rn EO A A A EE ENE mem eT EA eee 13 t oe is A EE E AEE AT AAEE A A E edi ac et EE A E E AEE E E E A 13 Lavel SSID SCC CN scs E AEE E A E R SIS 13 Booe Te gt E E E E A EE E E E E A tr eee te E E E E 14 TxBatt Setup Screen rs dace eee 14 SUN CUS cle eor a E O E A a 15 POU Sep Cl CON TT 16 Gompa e Uo TE ea O A mn eer a E E E E 16 POLEP PTT R E E re center eaeens 16 Tuning oep SOF SIN sereen A EnS 17 User Programmable Frequency Group Behavior sss ee ee eee eee eee 17 Adding Deleting User Programmable Frequency Group Entries sss sees eee eee eee 17 BI elea e T secan E e dudeukiinads E E E i 18 O AAT 18 PUR A E E E E E ee eee eo err 18 PII DIVAS opea E SE A 19 LOCK SEL Sep SCIEN esn aa EA RAEE R 19 OC FO OT reena A E fa sls set toe a ah ere EAEE EE EEEN E EO 20 NOE TTT 20 eet ee oi ra E N E E A E E E A E AAA 20 ZOON MOOG see E E E S E E amotio 21 Venue Receiver Ris hile AE e lt lt THT 21 Compauble Fl SC Oya TT 22 SC Coradia O HHHH 22 PINs gee perce NE etic atc ein EA besa Sen esterase cere nti se sess taste cin pes ovale A EE EE EES E E EE A onset 22 PS E eect cine cet er sc epee ge sete sc eer ant ae ec cine opener ee ee ese aed TE 24 PU NG cece center ce ees ee teins ers ne nee eg ee ic ee eae eee ene ee wee eee s Hrsg 24 SIO He Cer 2 Tia oie en E A E A E A E E E a TE 24 CAE CUO SONGS aeran R E E E E E S 24 Antenna Use and Placement cicccccccsicnccceccsccecsssscscsvenssecc
17. ACK button from the SetUpRx menu returns to whatever screen was active prior to entering SetUpRx Venue Receiver Rear Panel Power Input Jack Receiver Modules 4 6 XLR Audio Outout Jack Receiver 6 XLR Audio Output Jack Receiver 5 XLR Audio Output Jack Receiver 4 Antenna A Input Antenna A Output Rear Panel Features The rear panel provides six balanced XLR audio outputs two 50 Ohm BNC antenna inputs two 50 Ohm BNC antenna outputs from an internal multicoupler a power jack with a locking connector and USB and RS 232 serial ports Power Input Jack The power input jack accepts 10 VDC to 18 VDC center pin is positive and sleeve is ground The input is diode protected to prevent damage if the power is accidentally applied with reversed polarity The unit will not operate until the correct polarity is restored Receiver Modules Up to six receiver modules in two rows of three can be installed in each VRM Spring loaded Receiver Module Retainer Clips ensure module connections are maintained during transport and installation XLR Audio Output Jacks Six balanced audio output jacks using standard XLR connectors are provided to connect the Venue System to external equipment Receiver Module Retainer Clip Receiver Modules 1 3 XLR Audio Output Jack Receiver 1 XLR Audio Output Jack Receiver 2 USB Port Antenna B Input Antenna B Output XLR Audio Output Jack Recei
18. Check for Intermodulation problems See Frequency Coordination Note A number of symptoms may be caused by a strong interfering signal on the same frequency Use the Venue System s Scan function to verify the transmitter and receiver are operating on a clear frequency channel Computer Interface Problems New Hardware Found message does not appear when USB cable plugged into Venue System Defective USB cable between Computer System and VRM or between Computer System and USB Hub Multiple System Configuration Defective USB Hub Multiple System Configuration VRpanel software installed but USB Driver not installed See Installing LecNet2 Software and USB Driver VRpanel detected by Windows but cannot be detected by VRpanel program VRpanel software installed but USB Driver not installed See Installing LecNet2 Software and USB Driver Not all Venue Systems appear in response to the Add VR s via USB command Defective USB cable between USB Hub and affected Venue System Defective USB Hub Rio Rancho N M USA 29 Venue Receiver 30 Specifications Note Some specifications apply only when the receiver is operating in the 400 Series Digital Hybrid mode Operating Frequencies MHz for Receiver Modules Digital latency Frequency selection Dual Block Range Pilot tone Deviation Receiver Type Frequency Stability Front End Bandwidth Sensitivity 20 dB Sinad AM Rejection Image amp
19. Digital Signal Processor recovers the Original digital audio This digital analog hybrid technique has some very beneficial properties Because the information being transmitted is digitally encoded immunity to noise is much higher than a compandor can offer and since the encoded audio is sent in analog format spectral and power efficiency and operating range are not compromised The Venue System introduces a new flexibility to Digital Hybrid Wireless design The modular design operates with all Digital Hybrid Wireless transmitters and a variety of analog transmitters It consists of a Venue Receiver Master VRM that includes an antenna multicoupler computer communications interface microprocessor digital signal processor DSP A D and D A converters and audio output circuits plus mechanical rack mounting for up to six receiver modules The system can be setup and operated either through front panel controls and display or via rear panel USB or RS232 ports connected to a Windows 2000 or Windows XP based computer system and VRpanel which is part of the LecNet2 software package See Venue Installation Guide or VRpanel Help VRM Each VRM spans two frequency blocks and supports from one to six receiver modules See Specifications System setup and control is handled by the VRM with the receiver modules handling frequency reception conversion and signal detection Antenna Multicoupler There are two i
20. EERENS 8 Digital Pulse Counting Detector sss sees eee 8 ON a OI siege E T a NA A 8 Venue System Controls and Functions cccccccseesssseneseeseeeeeeeeceeecnnsneneeeeeeseecesececnasseseeeeeseeeeseonnnnseess 9 Font Panel control and ries T 9 PONER DONO iese a E E E E E E E Smet ree 9 Funcion BOON searre E EErEE EREE E EE EA E E EE erata 9 EOB e i EE mm ae E EEE EE E A E ne E E EEE E E A E E O 9 PUSH FOR MENU SELECT Rotary Control sss sss 9 LEVEL GOMO nse assess ences ces ase eaS RE AEEA AA RAA AEA ARETE AEEA EEA AARSE EE EREE Aaa ECAA 9 PRONES JAAK HHT 9 Pe a INS TTT 9 IR UFO THT 9 Roar Panel en 10 POWE OE a a A E E E E E E S 10 PICCCIV Gl INIOGU CS enaa E E E E E AE AAEE T 10 ACR AOG OUDE e ES osai E E E EA A A S ees 10 Kee 4 e THT 10 Aa lala fell eT e amet enn E ne errr eee ir mene enn nT nea TR ne E E E mei rr en eet err er me E 10 Anenna QU OUI e Sj ciasiads accu scetunatintentienimauasennuensac A A EAE 10 OSB PON a E e1apaetseeuccemiassonaitdenredsduceeaprtastinss 10 TB eo gb 5 Ree Se H mann Vet Pn Om oenPR Maron ere tie S 11 Types of Iniormation Displayed a aZe aaaea ESAS Z nayana aeoea EEE ERER 11 PC TON es CN TT 11 VET VIEW Se T 11 Receiver ES IN Re 12 Tuning a Receiver Module with the LCD eee 12 Nng Group Select SNOriCU sssr a EEEE SRE I EEEE AEE 12 FS IWS Nio Sr eeN ssr T E 12 LCD Menus and Setup Screens Descriptions and Functions sssssssssssssssssssssssssesss essen eee 13 CLIO SIA ee E E A E O A
21. INVERT changes the display in the Receiver Module box to and inverts the audio output at the associated rear panel XLR jack Overview Screen Selected Receiver Transmitter Battery Icon Receiver Modules Audio Phase Select Receiver Detail Screen The TxBatt Setup Screen offers six monitoring choices 9V ALK 9V For Lectrosonics Digital Hybrid 400 Series and 200 Series transmitters using 9V alkaline batteries The voltage remaining in the battery is displayed as an icon on the Overview and Receiver Detail screens and as the value on the TxBatt Setup Screen TxBatt Setup Screen for the selected receiver The TxBatt setup screen allows the selection of the exact module Receiver modules set up for 9V alkaline battery type being used in the transmitter to provide batteries will have 9V displayed in the corresponding more accurate battery level monitoring Four different Receiver Module box at the bottom of the TxBatt types of batteries are commonly used in Lectrosonics setup screen transmitters 9 Volt alkaline 9 Volt lithium AA alkaline Note and AA lithium Rechargeable NiMH batteries can also In 9V ALK 9V LTH AA ALK and AA LTH modes a be used in the transmitters see 9V TIM and AA TIM blinking Battery icon indicates that the it is close to Correctly set this feature will ensure that adequate exhaustion and needs replacing warning will be provided in advance of battery failure 14 ERSTE RA Modular DigitalH
22. LECT control to display the desired noise reduction mode The selected mode will be displayed in the Receiver Module box at the bottom of the display Press BACK to return to the previous screen or press a Receiver Select button to select a different receiver module without leaving the SmartNR Setup Screen PilotBP Setup Screen PilotBP pilot tone squelch bypass operates differently depending on the compatibility mode In the case of 100 Series or Mode 3 PilotBP bypasses the squelch In 200 Series IFB and Digital Hybrid 400 Series modes PilotBP bypasses both the pilot tone detector and the squelch The VR always powers up with normal squelch operation pilot tone bypass mode disabled Receiver Modules PilotBP Mode Main Receiver Screen Caution PilotBP was made available as a diagnostic tool in the case that a receiver does not appear to be working properly or to determine the nature of RF interference However it should be used with caution The selected receiver can output very loud noises in this mode To enable pilot tone bypass mode for a Receiver Module navigate to the PilotBP Setup Screen and press the appropriate Receiver Select button Rotate the MENU SELECT control to select BYPASS BYP should appear in the Receiver Module box for the selected receiver Press the BACK button return to the previous menu or a Receiver Select button to select a different receiver module Pilot BP Short
23. M 87174 USA USA Web http www lectrosonics com Shipping address Lectrosonics Inc 581 Laser Rd Rio Rancho NM 87124 C Pack the equipment carefully and ship to us shipping costs prepaid If necessary we can provide you with the proper packing materials UPS is usually the best way to ship the units Heavy units should be double boxed for safe transport D We also strongly recommend that you insure the equipment since we cannot be responsible for loss of or damage to equipment that you ship Of course we insure the equipment when we ship it back to you Telephones Regular 505 892 4501 Toll Free 800 821 1121 FAX 505 892 6243 Email sales lectrosonics com Rio Rancho N M USA 31 LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer This warranty does not cover equipment which has been abused or damaged by careless handling or shipping This warranty does not apply to used or demonstrator equipment Should any defect develop Lectrosonics Inc will at our option repair or replace any defective parts without charge for either parts or labor If Lectrosonics Inc cannot correct the defect in your equipment it will be replaced at no charge with a similar new item Lectrosonics Inc will pay for the cost of returning your equipment to you This w
24. May 26 2005 Venue Digital Hybrid Wireless Modular Receiver System US Patent Pending Reference Manual LECTROSONICS Rio Rancho NM USA www lectrosonics com Venue Receiver Change Page May 25 2005 Added Changes to transmitter battery monitoring and frequency matching as per Firmware Version 3 2 2 e RAA Modular DigitalHybrid Wireless Reeiver System TABLE OF CONTENTS General TECHNICAL DESIR crescia n AA 5 ROC AC IO e E E E N E 5 I T 5 PAIN Tes PIG eE x acstecnzsnesct crpcetnns ciety im nomen EE ns nr a a ES 5 Microprocessor COI Oe sactraterraysse some niewsnetent eiananseota E 6 Frequency Tuning Groups ss sss xxe xxx eee eee eee ee ee 6 VNC SICA MOSS SOK TT 6 OMe eT 6 Ratio Diversity and Frequency Diversity Reception sss esse eee eee eee eee eee eee eee eee 6 R BaSed Se teal 6 SmariNR Smari Noise HEGUCION ccccccasccntocscnneccnvvnceedsencenssaensakesnedadssanesndeckodsnnctetemenndanddendiesandedendnendcusntodeasncuaawend T Audio OUDPUFAMDINOTS sssr n A 7 Headphone Mixer and Amp sese eee 7 Vi STs YRT eT TTT T PEL go YOD ONCU eroria a E E N a eee a o 7 Switched Diversity TCO OI sesira insane REAA RE ENAA E A EEA ESE ASAA NEAN ened E ATEAREN 7 RF Front End and Mixer VRS Module sees eee eee 7 RF Frequency Tracking Front End and Mixer VRT Module sss sese eee T IF Ampliiers and SAW FINGIG cp aratetinc inna tsaneu nasitaetssusennsicnnconimnintaninaiygbesamvo 1seduaae tint EAEAN SEE ESEA
25. OWER Button The POWER button is used both to control the application of power to the unit and to clear or reset the Scan Mode spectrum analyzer Pressing and holding the POWER button for at least two seconds turns the unit off Function Button Used for special functions in selected Setup Screens LCD Screen The LCD Screen is a graphics type Liquid Crystal Display used to set up and monitor system operation See LCD Interface Rio Rancho NM USA LCD Screen LEVEL Control PHONES Jack PUSH FOR MENU Receiver SELECT Rotary Control Select Buttons PUSH FOR MENU SELECT Rotary Control The PUSH FOR MENU SELECT hereafter called the MENU SELECT control is a dual function control for navigating and selecting Setup Menus or Setup Screens and for setting parameters within the Setup Screens LEVEL Control The LEVEL control is used to adjust the output level of the front panel PHONES jack PHONES Jack The stereo PHONES jack is provided for monitoring the audio output of selected receivers Only the audio from a single receiver or diversity pair selected via the Receiver Select Buttons will be present at this jack Receiver Select Buttons The six Receiver Select buttons are used to select individual installed receiver modules either for monitoring via the PHONES jack or for setup and adjustment BACK Button The BACK button is used to return to the previous menu or setup screen Pressing the B
26. appropriate receiver displays the Receiver Detail Screen for the selected Reeiver System receiver In the example Tuning Group A was selected for Receiver 1 The small a displayed next to the Frequency Select Switch settings in the Receiver Detail Screen indicates that this receiver module has been set tuning Group A In NORMAL mode only the Transmitter Frequency Select Switch settings would be displayed here When a receiver module is set to use a user programmable frequency group the tuning behavior is modified slightly Turning the MENU SELECT control navigates among the frequencies that are in the currently selected tuning group Turning the MENU SELECT control while holding down the Function button allows any frequency to be selected whether or not it is in the currently selected turning group Any time the currently tuned frequency is not in the current tuning group the Group Tuning Mode indicator on the Receiver Detail Screen will blink Any time the currently tuned frequency is in the current turning group the Group Tuning Mode indicator will give a steady non blinking indication User Programmable Frequency Group Behavior The user programmable frequency groups work very similar to the factory groups with a few exceptions The most obvious difference is the ability to add or remove frequencies from the group Less obvious is the behavior of a user programmable frequency group with only one or no entries A
27. arranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire remedy of the purchaser for any breach of warranty as outlined above NEITHER LECTROSONICS INC NOR ANYONE INVOLVED IN THE PRODUCTION OR DELIVERY OF THE EQUIPMENT SHALL BE LIABLE FOR ANY INDIRECT SPECIAL PUNITIVE CONSEQUENTIAL OR INCIDENTAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THIS EQUIPMENT EVEN IF LECTROSONICS INC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT SHALL THE LIABILITY OF LECTROSONICS INC EXCEED THE PURCHASE PRICE OF ANY DEFECTIVE EQUIPMENT This warranty gives you specific legal rights You may have additional legal rights which vary from state to state LECTROSONICS 581 LASER ROAD RIO RANCHO NM 87124 USA www lectrosonics com
28. ceiver module to that frequency in real time The operating frequency of a receiver module can also be set through the Scan Function See Scan Function for more information Tuning Group Select Shortcut To instantly select or change a Tuning Group from the Receiver Detail Screen hold the FUNCTION button then press a Receiver Select button according to the chart below Receiver Select 1 Receiver Select 2 Receiver Select 3 Receiver Select 4 Receiver Select 5 Receiver Select 6 Receiver Info Screen From the Receiver Detail Screen pressing the front panel Receiver Select Button for the selected Receiver Module again displays the Receiver Info Screen This screen temporarily displays the receiver module location operating frequency block compatibility mode output audio level and transmitter battery condition This can be a voltage level or an elapsed time depending on the TXBaitt set up See TxBatt After approximately five seconds the display returns to the Receiver Detail Screen The Level setting on this screen is a user selectable audio output attenuator setting and should not be confused with the instantaneous Audio Output Level displayed in the Receiver Detail Screen The latter is a measure of the channel s instantaneous audio output level Receiver Info Screen Receiver Module Location Operating Frequency Block Audio Attenuator Level Compatibility Mode Transmitter Battery Status 12 ERS RARA Mo
29. cnecencssiesnvsnessencuecasscsasesnstecoecccaacucsuansasenececemenscnasscers 25 VR Replacement Parts and Accessories sssssssesesss ese sss ese ess enesenn ennenen ennenen enen 26 LS GO PTT 27 OOE RO SPINS aon pease carpet E meeps Geet ereatpw isa in wianled oi cou tetehiiwns Sa bentciid cxsewnasaeemiin ts centaladenateeaeernemiadenn ts 27 RF Problems All Modules 12 2 sss sese 27 RF Problems IMdmvidual Modules sessen iaiia ERa aa oa AE aR Einara AREER 27 PUO Nee aE S E A A E A A 27 Computer Tite ice POON NS secs ce we see ee E ga eee ee sere eee 29 TRO ere 11 a 0 eee ene a ee ne ener ve rye me RO eer ee ee E ee eer nee Oe ener erate eae 30 ola eos af ell G2 T geen nee eee nee ements te teen seerstr i ont ceninne Wee wee oes nee tamer CeCe ee ee a eee a ane eae ner 31 Pre IETF Unis or RGD AUP annan aana aaea Haara aaa anian 31 BI One Yoar Va RY tee es ese ec eae aeons Back Cover 4 e RAA Modular DigitalHybrid Wireless Reeiver System General Technical Description Introduction Lectrosonics Digital Hybrid Wireless systems use innovative technology to combine the new advantages of digital audio with the classic advantages of analog RF transmission A proprietary algorithm encodes the digital audio information into an analog format which can be transmitted in a robust manner over an analog FM wireless link The receiver employs the latest filters RF amplifiers mixers and detector to capture the encoded signal and a DSP
30. creen Pressing a front panel Receiver Select Button opens the corresponding Receiver Detail Screen This screen displays more detailed information about the selected receiver and is used for setting the operating frequency of the selected Receiver Module and offering information such as transmitter Frequency Select Switch settings RF signal strength and audio attenuator level etc This screen is also the only means for tuning a receiver module Receiver Detail Screen Transmitter Frequency Pilot Tone Select Switch Settings Monitoring Status Receiver Module Location Operating Frequa icy RF Signa Strength N Antenna Phase uning Mode Battery Monitor TV Channel Audio Level Meter Tuning a Receiver Module with the LCD There are several methods to set the operating frequency for individual receiver modules See also DivMode Setup Screen If there is no indication for a Tuning Mode for the selected receiver module then rotating the MENU SELECT control allows the selection of any of the 256 available frequencies Stopping at any frequency sets the selected receiver module to that channel in real time If there is an indication that one of the group tuning modes is active for the selected receiver module then rotating the MENU SELECT control selects only the frequencies that are part of the selected Tuning Group See Tuning Setup Screen for information Stopping at any of the freselected channels sets the re
31. cut From the Overview Screen it s possible to set the PilotBP mode by holding the front panel Function button while pressing the appropriate Receiver Select pushbutton This toggles the PilotBP setting for the corresponding receiver module or depending on the diversity mode selected receiver modules To return the Receiver Module to normal PilotBP operating mode pilot tone bypass mode disabled access the PilotBP Setup Screen select the receiver module and rotate the MENU SELECT control to select NORMAL Compat Setup Screen The Compat setup screen is used to select the compatibility mode for individual Receiver Modules allowing the VR to operate with a variety of transmitters The available compatibility modes are HYB This is the factory default setting and works with all Lectrosonics Digital Hybrid Wireless 400 Series transmitters This mode offers the best audio quality M 3 Mode 3 works with a number of non Lectrosonics analog transmitters Contact the company for a list of compatible transmitters 200 This mode works with all Lectrosonics 200 Series compatible transmitters 100 This mode works with all Lectrosonics 100 Series compatible transmitters IFB IFB mode works will all Lectrosonics IFB transmitters Receiver Modules Compatibility Mode 16 e ne Modular Digital Hybrid Wireless Tuning Setup Screen The Tuning Setup Screen allows selection of one of four facto
32. d 1 kHz audio test tone can be Selected Receiver made available at the selected receiver s XLR output This tone is used for precise level matching with other equipment without actually going on the air and can be Receiver very useful for diagnostic purposes The tone is toggled Modules on or off by pressing the front panel Function button The Tone icon in the example below indicates that the tone signal is turned off The TONE box is filled in reveresed when the tone signal is active Monitoring Mode Selected Receiver Output Level Current Transmitter Battery Voltage Tone On Off Indicator Elapsed Time Shown with Depending on the TxBatt mode a battery icon or timer ane TOR dianala will be displayed on both the Overview and Receiver Detail screens and the battery level or timer value will Phase Setup Screen be displayed on the Receiver Infomation Screen The The Phase setup screen controls the phase of the audio icon timer or voltage only appears after a valid signal output at the rear panel XLR jack relative to the audio has been detected for at least 10 seconds and when signal from the associated transmitter Two modes are both the transmitter and receiver module are operating in available NORMAL and INVERT A receiver set to either 200 Series or Digital Hybrid 400 Series Normal mode default will display a in the associated Compatibility mode Receiver Module box Rotating the MENU SELECT control to select
33. de the units Once set at the factory the various controls and trimmers do not drift with age or vibration and never require readjustment There are no adjustments inside that will make a malfunctioning unit start working LECTROSONICS service department is equipped and Staffed to quickly repair your equipment In warranty repairs are made at no charge in accordance with the terms of the warranty Out of warranty repairs are charged at a modest flat rate plus parts and shipping Since it takes almost as much time and effort to determine what is wrong as it does to make the repair there is a charge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs Returning Units for Repair You will save yourself time and trouble if you will follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by letter or by phone We need to know the nature of the problem the model number and the serial number of the equipment We also need a phone number where you can be reached 8 am to 4 pm Mountain Standard Time B After receiving your request we will issue you a return authorization number R A This number will help speed your repair through our receiving and repair departments The return authorization number must be clearly shown on the outside of the shipping container Mailing address Lectrosonics Inc PO Box 15900 Rio Rancho N
34. dular DigitalHybrid Wireless Reeiver System LCD Menus and Setup Screens Descriptions and Functions Top Menu The Top Menu is accessed from the Overview Screen by pushing the MENU SELECT rotary control Rotating this control navigates through the various menu items The four menu items are SetUpRx LockSet Scan CmdView Rotate the MENU SELECT control to highlight a menu item then push the control to access the top screen associated with that menu item Setup Menus Selecting any item from the TopMenu goes directly to that item s setup screen Selecting SetUpRx displays the SetUpRx menu Each item on the SetUpRx setup menu accesses a different setup screen Selecting or accessing items from the SetUpRx menu is identical to selecting items from the TooMenu rotate the MENU SELECT control to highlight the desired setup menu item then push the control to access the menu item Pressing the BACK button returns the user to the previous menu or screen Pressing the BACK button from the SetUpRx menu returns the user to whatever screen was active prior to entering SetUpRx either the TooMenu or a selected Receiver Detail Screen Setup Screens Individual setup screens are used to set the operating parameters for each installed receiver module including audio levels audio phase battery status compatibility modes noise reduction and diversity modes SetUpRx Menu Rotate the MENU SELECT control to highlight a menu The SetUpRx
35. eceiver is monitored and the audio is blended in a manner similar to ratio diversity In both cases because of the mixing function the blended audio is duplicated at each XLR jack associated with the receiver pair See also Switched Diversity Reception DSP Based Pilot Tone The 400 Series 200 Series and IFB systems use a DSP generated ultrasonic pilot tone from the transmitter to control the receiver audio muting squelch The DSP monitors all incoming audio and generates a Pilot Tone Detect signal if a pilot tone is detected The Pilot Tone Detect signal is routed to the microprocessor to enable or disable squelch depending on the PilotBP setting for that receiver module See PilotBP Setup Screen Squelching is performed in the DSP 6 eee Modular Digital Hybrid Wireless IN 400 Series mode the pilot tone frequency is different for each of the 256 frequencies in the tuning range of a system frequency block This eliminates squelch problems in multichannel systems such as the Venue System which use a common antenna and where a pilot tone signal can appear in the wrong receiver via intermodulation products Using the DSP to detect the pilot tone also eliminates the need for fragile crystals In 200 Series and IFB modes only one pilot tone frequency is used on all channels emulating the original crystal based system In other compatibility modes 100 Series and Mode 3 no pilot tone is used SmartNR Smart Noise R
36. eduction While the Venue System has been designed using the best available low noise components and techniques the wide dynamic range of Digital Hybrid technology combined with flat response to 20 kHz makes it possible to hear the noise floor in the mic preamp or the usually greater noise from the microphone itself in certain conditions The SmartNR algorithm reduces this noise without sacrificing high frequency response thus increasing the effective dynamic range of the system The Smart Noise Reduction algorithm works by attenuating only those portions of the audio signal that fit a Statistical profile for randomness or electronic hiss It offers significantly increased transparency over the sophisticated variable low pass filters used in previous Lectrosonics designs Desired high frequency signals having some coherence such as speech sibilance and other tones are not affected Note The SmartNR setting is user selectable only in 400 Series mode In other modes noise reduction is applied in such a way as to emulate the original analog system as accurately as possible and is not user adjustable Audio Output Amplifiers The six digitally controlled Audio Output Amplifiers are adjustable from 15 dBu to 8 dBu in 1 dB increments There is one Audio Output Amplifier per XLR jack Headphone Mixer and Amp The Headphone Mixer and Amp is used to monitor the audio output through the front panel PHONES jack Audio output le
37. ge is indicated on a horizontal bar at the bottom of the spectrum display Reeiver System Warning If one of the receiver modules is manually tuned in Stop mode or Zoom mode the new frequency setting will persist when exiting Scan Moving the cursor for the selected receiver module tunes that receiver in real time Pressing the Function button again returns to Scan mode and resumes the scanning function CmdView Screen The CmdView Screen is used primarily for diagnostics and for troubleshooting communication problems when setting up serial remote control systems The CmdView screen is a convenient utility to assist in verifying correct serial commands have been sent to the unit This screen offers feedback when using computers or other devices connected to the RS 232 or USB serial ports As commands are transferred through either of these ports to the Venue System those commands are listed in order of entry on the CmdView Screen Rolling list of serial commands will be displayed here RioRancho NM USA 21 Venue Receiver Frequency Coordination Intermodulation interference is a problem constantly lurking in the background especially when working in environments were multiple productions are taking place simultaneously in relative close proximity In these cases proper frequency coordination is a must There are basically three methods coordinate frequencies Use the Compatible Frequency Chart Scan for clear channe
38. he main window and forcibly unsquelches the audio Associated transmitter gain set too low The noise may not be in the wireless system Turn the transmitter audio gain all the way down and see if the noise remains If the noise remains then turn the power off at the transmitter and see if it remains If the noise is still present then the problem is not in the transmitter If noise is still present when the transmitter is turned off try lowering the audio output level on the associated Receiver Module and see if the noise lowers correspondingly If the noise remains the problem is not in the Venue System Receiver Module output is too low for the input of the device it is feeding Try increasing the output level of the associated Receiver Module and lowering the input gain on the device the Receiver Module channel is feeding Input gain on associated transmitter set too high Check and or readjust input gain on transmitter according to the manufacturer s recommendations and then verify the setting with the audio meter in the associated Receiver Detail Screen Audio output level too high for the device the Receiver Module s output channel is feeding Lower the output level of the associated Receiver Module e RAA Modular DigitalHybrid Wireless Reeiver System Symptom Solution Bad frequency response or generally poor audio quality Ensure the Receiver Module is set to the Compatibility Mode matching the associated transmitter
39. io is then sent to both the appropriate Audio Output Amplifier and to the Headphone Mixer and Amp Note While all audio channels are sent to the respective Audio Output XLR jacks only one audio channel at a time may be monitored via the front panel PHONES jack See Headphone Mixer and Amp Compatibility Modes The Venue System was designed to be compatible with Lectrosonics Digital Hybrid 400 Series transmitters and will yield the best performance when operating in Digital Hybrid mode However due to the flexibility of digital signal processing the Venue System is also able to operate with Lectrosonics 200 Series 100 Series and IFB transmitters and certain non Lectrosonics transmitters in special compatibility modes Contact the Lectrosonics Sales Department for a complete list of compatible transmitters Ratio Diversity and Frequency Diversity Reception Both ratio diversity OptiBlend and Frequency Diversity combine the outputs of two adjacent receivers OptiBlend is a ratio diversity method which combines the audio output from two adjacent receiver modules 1 2 3 4 or 5 6 relative to the RF signal input levels at both receivers Frequency Diversity pairs two transmitters with two adjacent receiver modules The receiver pair combinations are the same as those used for OptiBlend 1 2 3 4 or 5 6 Each transmitter receiver combination in the pair is tuned to a different frequency The RF signal level at each r
40. ls See Scan Function and Using Scan to Find Clear Channels Call Lectrosonics Compatible Frequency Chart Because the Venue System includes one to six Receiver Modules per unit each unit can handle up to six independent wireless channels Considering that multiple Venue Systems can be used in a production coordinating frequencies to minimize interference between these channels can be a daunting process The Compatible Frequency Chart was designed to assist in minimizing intermodulation problems for multiple channel wireless systems It does this by identifying potential intermodulation problems and listing compatible frequencies and frequency groups This chart can be used with all Digital Hybrid Wireless 400 Series receivers The Compatible Frequency Chart divides the frequency blocks used in the North American market into Row 1 and Row 2 then further divides each row into two groups of eight frequencies each These frequency groups are labeled A and B and C and D and correspond to the factory set frequency groups Groups A B C and D described in the Tuning Setup Screen See Compatible Frequency Chart Understanding and using the Compatible Frequency Chart is not as difficult as it first appears There are a few basic rules to follow Note Refer to the Compatibility Frequency Chart s Compatible and Incompatible frequency combinations Only frequency blocks 21 and 22 are shown for illustrative purposes Rule No
41. mitter using a 9V battery with or without battery telemetry capabilities or for rechargeable batteries where voltage is constant over the life of the battery The timer monitors the accumulated time it receives RF from a transmitter operating at the same frequency as the selected receiver module The elapsed time is displayed in both the Overview and Receiver Detail screens and the TxBatt Setup Screen for the selected receiver module Its format is H MM and it can run for up to 10 hours 9 59 before rolling over The timer s colon blinks in both the Main Receiver screen and the Receiver Detail Screen when the timer is active and receiving RF from the associated transmitter When the transmitter or VR is turned off the timer will retain the last time setting and resume counting after the transmitter or receiver is powered up and a signal is detected from the transmitter To reset or zero the timer navigate to the TxBatt Setup Screen select the appropriate Receiver Module using the front panel Receiver Select button then press the Function button to reset the timer to zero Overview Screen Transmitter Battery Timer Icon Colon Blinks when Timer is active and receiving RF Receiver Detail Screen Receiver modules set up for 9V TIM will have 9VT displayed in the corresponding Receiver Module box at the bottom of the TxBatt setup screen AA TIM AAT Operates essentially the same as the 9V TIM timer except it a
42. mplifier provides 5 dB 8 dB or 12 dB of user selectable gain Audio interconnect cable for connecting Venue Receiver to computer audio input for Walk Test Recorder 26 SS theese Symptom Powerup Problems LCD display not active Receiver Modules Not Detected RF Problems All Modules No Antenna Icon in any Receiver Module on Overview Screen RF Level Weak Modular DigitalHybrid Wireless Reeiver System Troubleshooting Solution External power supply disconnected or malfunctioning Main power supply fuse tripped Turn the receiver off remove the cause of the overload and turn the receiver back on it may be necessary to wait up to 15 minutes for the Poly Fuse to reset Wrong polarity power source The external DC in requires POSITIVE to be on the center pin Receiver Module outside of VRM Frequency Block Range Receiver Module not seated properly on Receiver Module Connector See Hardware Installation Receiver Module Connector defective Receiver Module defective Swap Receiver Module with adjacent module in same frequency block and see if problem changes channels If problem follows Receiver Module the module may be defective The antenna icon is only present in switched diversity and frequency diversity modes and never present in ratio diversity mode Improper length antenna if using UHF Whip Antennas Excessive length of cable between Venue System and remote antenna assemblies Add UFM 50 if nece
43. n Modular Digital Hybrid Wireless receivers From the Overview Screen pressing a Receiver Select button for either member of the diversity pair displays the Receiver Detail Screen for that pair In this screen the RF Signal Strength meter is split with each side showing the RF signal strength of one of the members of the diversity pair In the previous figure the RF signal strength for Receiver Module 5 is the left half of the meter and the RF signal strength for Receiver Mocule 6 is the right half Frequency Diversity Frequency Diversity mode uses two transmitters simultaneously carrying identical audio the transmitter microphones are placed right next to each other and the Venue System performs a ratio blend of the audio output from the associated receiver modules to protect against dropouts Another benefit of this mode is the system avoids a transmitter that is signaling the end of its battery life Combined Audio Receiver Module Pair Separate RF Selected Receiver Module gr ale from pair highlighted Frequency Diversity pairs two transmitters of the same make and model with two adjacent receiver modules 1 2 3 4 or 5 6 Each transmitter receiver in the pair is tuned to a different frequency The RF signal level at each receiver is monitored and the audio is blended in a manner similar to ratio diversity Select button for either member of the diversity pair displays the Receiver Detail Screen for
44. ndependent antenna multicouplers One supports input from the rear panel Antenna A BNC jack and the other supports input from the rear panel Antenna B BNC jack The individual antenna inputs pass through a 50 MHz bandpass filter centered on the VRM s assigned frequency block range prior to entering the associated VRM Functional Block Diagram See VRS and VRT Functional Block Diagrams Antenna A In Antenna B In Receiver Pf Receiver Module 2 D D A D le elt Receiver Module 3 Receiver Module 4 A D Py Receiver Module 5 Antenna Multicoupler Feedback lll Receiver IE Module 6 Receiver Select Buttons u P MENU SELECT Control Function Button BACK Button A D Receiver Module Comm VRM Rear Panel USB lt ____ Power Button i Headphone LEVEL Control _VRM Front Panel 7 Rio Rancho N M USA Unprocessed Inputs Detector Audio k Output Digital Digital Modules Detector Output A utput Digital Digital Converter A Converter Converter A D Converter Converter Detected System Control Audio Processing Control Pilot Tone Detect LCD Control Antenna A Out Antenna B Out Audio I D A Analog udio Audio Converter KN Output 1 I D A D A udio Audio Converter utpu gt Output 3 mer l 1 D A udio d Converter o R utpu mer D A d Converter D A Converter Audio Audio UR gt Outp
45. ng transmitter operation This information is used both to control the Venue System and to display current status in various LCD menus or setup screens See Venue System Controls and Functions and Menus and Setup Screens Frequency Tuning Groups The Venue System provides four factory preset intermodulation free frequency groups A through D and two user programmable frequency groups U and V The factory groups have been selected to avoid intermodulation problems Each factory group contains eight frequencies The user programmable frequency groups can have up to 16 frequencies per group per frequency block Digital Signal Processor The analog detector output from each receiver module is digitized and sent to a DSP The DSP processes the digitized detector output according to the active settings These signals include Compatibility Modes Diversity Modes and SmartNR modes The DSP also detects the Pilot Tone used to control the receiver module s squelch only in 400 Series 200 Series and IFB Compatibility Modes see DSP Based Pilot Tone In addition to the audio a 1 kHz tone Is also available from the DSP This tone is used to preset the Venue System s audio output levels according to the input requirements of any attached equipment and for diagnostic purposes See Level Setup Screen Each of the six audio channels is then sent through its own D A converter to recover the original analog audio The analog aud
46. o levels antenna phase pilot tone Overview Screen Relative Audio Level Individual Receivers 1 2 3 4 5 6 Pilot Tone Monitoring Status Antenna Phase Battery Monitor Relative RF Signal Strength Powerup Screen Sequence Initial screen identifies firmware version and the operating frequency range of the system Block Range The blocks have to be contiguous The second screen provides information for the user that the VRM is detecting all installed receiver modules within the designated operating range Modules outside of the block range identified in the first screen will not be detected The third screen identifies all installed receiver modules within the system s block range Empty receiver slots or slots with receiver modules outside of the block range identified in the first screen will have an X displayed instead of frequency block number The Powerup sequence is followed by the Overview Screen Firmware Version Block Range Rio Rancho NM USA 11 Venue Receiver monitoring status the battery status of the associated receiver relative charge left or time of operation and the relative RF signal strength The receiver modules are numbered one through six and correspond to the following physical layout Top View of VRM Chassis Receiver 1 Receiver 6 Receiver Receiver 5 Receiver Receiver 3 4 VR Front Panel Receiver Detail S
47. opposing output audio phases to be used together in this mode Note Each Receiver Module in the Frequency Diversity pair must be tuned independently to match the associated transmitter This is done by selecting the receiver using the front panel Receiver Select Button to open its Receiver Detail Screen then rotating the MENU SELECT control to the desired frequency LockSet Setup Screen The LockSet function is used to prevent inadvertent changes to the Venue System setup LockSet is accessed from the Top Menu The MENU SELECT control is used to toggle between the NOT LOCKED and LOCKED states RioRancho NM USA ig Venue Receiver When the system is LOCKED no settings or operating parameters may be changed from the LCD interface The system also will not enter Scan Mode This provides a measure of insurance against accidental changes while still allowing all parameters to be viewed Attempts to change a parameter or enter Scan Mode when the system is LOCKED results in the LOCKED screen message being displayed The only exception is the LockSet Setup Screen itself Scan Function Warning Do not enter the Scan Function during normal operation This is a setup mode and not an operating mode The Scan Function automatically removes two receiver modules from normal operation one from each frequency block and uses them to scan the frequency block ranges The reciever modules used for scanning cannot be changed by the use
48. or 300 kHz 32 Hz to 20 kHz 1dB overall system using a UM400 transmitter in Digital Hybrid mode 0 2 typical Digital Hybrid 400 Series mode SmartNR_ No Limiting W Limiting 1035 1085 Note the dual envelope soft limiter provides exceptionally good handling of transients using variable attack and release time constants The gradual onset of limiting in the design begins below full modulation which reduces the measured figure for SNR without limiting by 4 5 dB Input Dynamic Range Audio Output Level LCD Power Requirements 125 dB with full transmitter limiting 15 dBu to 8 dBu in 1 dB increments 122x32 graphical display 10 to 18 VDC 12 W max 1 2 A 10 VDC to 0 67 A 18 VDC E RAA Modular Digital Hybrid Wireless Reeiver System Service and Repair If your system malfunctions you should attempt to correct or isolate the trouble before concluding that the equipment needs repair Make sure you have followed the setup procedure and operating instructions Check out the interconnecting cords and then go through the TROUBLESHOOTING section in the manual We strongly recommend that you do not try to repair the equipment yourself and do not have the local repair shop attempt anything other than the simplest repair If the repair is more complicated than a broken wire or loose connection send the unit to the factory for repair and service Don t attempt to adjust any controls insi
49. ousands of calculations and identify various interfering signals Potential problems and trouble areas can be identified in advance and proposed new frequencies or other solutions can be suggested This service is offered to authorized Lectrosonics dealers and other customers who are using LECTRO or Lectrosonics wireless microphone and wireless IFB systems 24 e R a aaa Modular DigitalHybrid Wireless Reeiver System Antenna Use and Placement The Venue System is designed for rack mounting Although it can be operated with two right angle BNC whip antennas it is suggested for maximum reception to use remote antennas such as the SNA6OO or ALP700 Position the remote antennas at least three or four feet apart and not within three or four feet of large metal surfaces If this is not possible try to position the antennas so that they are as far away from the metal surface as is practical It is also good to position them so that there is a direct line of sight between the transmitter and the receiver antennas In situations where the operating range is less than about 100 feet the antenna positioning is much less critical However the length of the cabling between antennas and the system is critical Long cable runs can experience serious signal loss Lectrosonics offers in line RF amplifiers suitable for compensating for this signal loss Contact your dealer or the factory for more information A wireless transmitter
50. pplies to transmitters using AA batteries Receiver modules set up for AA TIM will have AAT displayed in the corresponding Receiver Module box at the bottom of the TxBatt setup screen SmartNR Setup Screen Available in Digital Hybrid 400 Series Compatibility Mode the SmartNR Smart Noise Reduction Setup Screen is used to select one of three noise reduction modes Note If any mode other than Digital Hybrid 400 Series is selected the SmartNR mode will indicate FIXED and N A will appear in the corresponding Receiver Module box SmartNR is still applied in this mode however it is automatically set to best emulate the original analog receiver OFF No noise reduction is performed and complete transparency is preserved All signals presented to the transmitter s analog front end including any faint microphone hiss will be faithfully reproduced at the receiver Rio Rancho NM USA 15 Venue Receiver Selected Receiver SmartNR Mode Receiver Modules NORMAL factory default Enough noise reduction is applied to remove most of the hiss from the mic preamp and some of the hiss from lavaliere microphones The noise reduction benefit is dramatic in this position yet the degree of transparency maintained is exceptional FULL Enough noise reduction is applied to remove most of the hiss from nearly any signal source of reasonable quality assuming levels are set properly at the transmitter Rotate the MENU SE
51. r Entering the Scan Function during normal operation may result in unwanted audio interferrence or accidental retuning of the scanning receiver modules The Venue System has an integrated scanning function that displays a spectrum analysis as it scans across the frequency block range The purpose is to find unused frequencies or frequencies with minimal RF interference The Scan function has three modes Scan Stop and Zoom These modes are displayed on the Scan screen and are accessed by pressing the front panel Function button Note The current Scan mode is displayed in the upper left corner of the Scan screen The mode which will be selected by pressing the Function button is highlighted and located under the current Scan mode To use the integrated scanning function from the Overview Screen push the MENU SELECT control to enter the Top Menu then rotate the control to highlight Scan Pressing the MENU SELECT control again begins the scanning function Scan Mode The LCD switches to the Scan screen and automatically starts progressively scanning all installed frequency blocks The unit will scan continually accumulating the highest peak seen on each channel with each subsequent pass until stopped by pressing the Function button or the MENU SELECT control Data gathered during the scanning process shows the worst case scenario for any given channel and is retained until the VRM is turned off or scanning is reset by momentarily
52. rrent frequency is in the group If the Group Tuning Mode indicator is absent or displays as a b c or d then the receiver module is not set to on of the User Programmable Tuning Modes 2 Hold the Function Key and rotate the MENU SELECT control to any of the 256 frequencies in the block Whenever the selection comes to rest on a frequency that is in the current group the Group Tuning Mode indicator letter u or v will give a steady indication On frequencies that are not in the group the indicator will blink 3 To add or remove the displayed frequency from the group hold the Function button while pressing hte MENU SELECT control The Group Tuning Mode indicator will stop blinking to show that the frequency has been added to the group or begin blinking to indicate that the frequency has been removed from the group DivMode Setup Screen The Venue System offers three different Diversity modes of operation SmartDiversity switched OptiBlend ratio diversity and Frequency Diversity Regardless of which diversity mode is selected receiver modules are always paired using the following combinations 1 2 3 4 and 5 6 However in switched diversity operation the individual receiver modules operate independently with each module having its own set of controls and indicators In ratio diversity and frequency diversity modes the paired receiver modules act as a set Pressing the Receiver Select button for
53. ry set frequency groups Groups A through D two user programmable frequency groups Groups U and V or the choice to not use groups at all In the four factory set frequency groups eight frequencies per group are preselected These frequencies are chosen to be free of intermodulation products See Frequency Coordination Selected Receiver Tuning Mode Receiver Module In the two user programmable frequency groups up to 16 frequencies can be programmed per group Note The Tuning Setup Screen only selects the tuning mode for the selected receiver module NORMAL or Group Tuning and not the operating frequency for that module Actual operating frequencies are chosen through the Receiver Detail Screen See Adding Deleting User Group Frequencies To set a receiver module s tuning mode access the Tuning Setup Screen press the appropriate front panel Receiver Select button rotate the MENU SELECT control to select either NORMAL mode or one of the group tuning modes The tuning mode will be displayed in the Receiver Module box at the bottom of the Tuning Setup Screen If NORMAL mode is selected then NOR will be displayed in the Receiver Module box Ifa tuning group is selected then G A through G V will be displayed in the Receiver Module boxes depending on the group selected Group Tuning ode Receiver Detail Screen Returning to the Overview Screen and pressing the front panel Receiver Select button for the
54. sends a radio signal out in all directions This signal will often bounce off nearby walls ceilings etc and a strong reflection can arrive at the receiver s antennas along with the direct signal If the direct and reflected signals are out of phase with each other a cancellation may occur The result is a dropout A dropout can sound like audible noise hiss or swishing or in severe cases it may result in a complete loss of both the carrier and the sound Moving the transmitter even a few inches will change the sound of the dropout or may even eliminate it A dropout situation also may be either better or worse as a crowd fills or leaves the room The Venue System offers a several sophisticated diversity designs which can overcome most dropout problems In the event however that you do encounter a dropout problem first try moving the one of the remote antennas at least three or four feet from its current location This may alleviate the dropout problem at that location If dropouts are still a problem try moving the antennas to entirely different locations Lectrosonics transmitters radiate power very efficiently and our receivers are very sensitive This reduces dropouts to an insignificant level If however you do encounter dropouts frequently call the factory or consult your dealer There is probably a simple solution REFLECTIVE SURFACE IILILLILLLILLLLLLLLL LL LL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLL LL
55. ssary See Accessories Antenna cables or connectors defective Antenna patch cables loose or defective Multiple Venue System installations only RF Problems Individual Modules RF Level Weak or Nonexistent RF Level Weak or Nonexistent and Check Frequency message displayed on LCD Audio Problems PILOT indicator is solid P for Receiver Module on Overview screen but no sound Receiver Module not installed properly Receiver Module and Transmitter operating frequencies do not match Improper length antenna on associated transmitter Transmitter battery low Transmitter defective Receiver Module and Transmitter operating frequencies do not match Observe the RF Signal Strength Meter on the Receiver Detail Screen If the meter is not moving the problem is probably with the transmitter If the meter is moving the problem is probably with the receiver Audio output cable attached to Audio Output XLR Jack for selected Receiver Module bad or disconnected Audio Output level for Receiver Module set too low Use the built in test tone to verify levels Rio Rancho N M USA 2r Venue Receiver Symptom PILOT P keeps flashing for Receiver Module when transmitter power switch is turned on Noise on audio and Pilot indicator is b Pilot indicator not present but audio is being received Poor signal to noise ratio Distortion 28 Solution Pilot tone detection can take several seconds
56. this fuse it will reset after the power supply is converts the 244 MHz first IF signal down to 10 7 MHz disconnected for about 15 seconds The second IF is filtered through two ceramic filters for sharp selectivity then converted down to 300 kHz and fed to the Digital Pulse Counting Detector Digital Pulse Counting Detector Each module uses an elegantly simple yet highly effective digital pulse detector to demodulate the FM signal rather than a conventional quadrature detector This unusual design eliminates thermal drift improves AM rejection and provides very low audio distortion The 8 E RAA Modular DigitalHybrid Wireless Reeiver System Venue System Controls and Functions Front Panel Function Button k v P Bi a L i s i LecTrosowcs PORRO 99 UEA a BACK Button POWER Button Front Panel Controls and Functions The Venue System consists of a VRM VR Master and one to six individual receiver modules The VRM front panel provides an easy to use LCD interface for system setup monitoring and troubleshooting During normal operation the LCD shows RF and audio levels diversity status pilot tone status where applicable and transmitter battery status when available for all six receivers at the same time Individual screens for each receiver are also available to provide additional information and make adjustments Individual output channel audio can be monitored via the front panel P
57. user programmable frequency group with only one entry will only display that one frequency regardless of how much the MENU SELECT control is turned without holding the Function button A user programmable frequency group with no entries reverts to non group mode behavior i e access is allowed to all 256 available frequencies in the selected receiver module s frequency block However once a frequency has been added to the tuning group this behavior changes to group mode behavior where the Function button must be pressed to access frequencies that are not part of the current tuning group Adding Deleting User Programmable Frequency Group Entries Note Each User Programmable Frequency Group has separate contents for each frequency block covered by the VRM However each user group s contents are common to all receivers sharing the same group tuning mode and frequency block 1 Start from the Receiver Detail Screen of a receiver module that is set to use Group u or Group v that is also in the desired frequency range block See Tuning Setup screen Rio Rancho N M USA 17 Venue Receiver Note To get to the Receiver Detail Screen for a receiver module press BACK until the Overview screen appears then select the receiver module by pressing its Receiver Select button If the Group Tuning Mode indicator is blinking then currently tuned frequency is not in the group If the Group Tuning Mode indicator is steady then the cu
58. ut 2 I I DSP Headphone Audio Headphone Mixer and Amp PHONES Audio Output Select Headphone Level Venue Receiver multicoupler Each of the multicouplers includes a high intercept amplifier whose output feeds a seven way splitter Six of the splitter s outputs are presented to the respective Ant A or Ant B tabs on each of the receiver module connectors A seventh output is fed to a rear Antenna A or B OUT connector for use by other Venue Receiver Systems The result is that the same signal entering the rear panel Antenna Inputs is presented to each receiver module and to the pass through rear panel Antenna Output jacks The design allows each receiver module to be used independently Microprocessor Control System setup parameters and control signals from DSP are used by an 8 bit microprocessor to both set up and control the Venue System in general and to control each individual receiver module or receiver module pair if they are used in ratio or frequency diversity mode Initial system setup and control can be accomplished through front panel controls or via software using convenient USB or RS 232 I O ports The setup parameters plus control signals from the DSP are used to control the installed receiver modules audio processing and audio output The microprocessor also receives RF signal strength information from each receiver module and information from the DSP concerni
59. vels at this jack are controlled only by the front panel LEVEL control Only one channel can be monitored at a time That channel is selected through one of six front panel Receiver Module pushbuttons If the selected receiver module is part of a ratio diversity or frequency diversity pair the audio outputs are blended and the audio is presented to both XLR Audio Output jacks for the diversity pair and the front panel PHONES jack Rio Rancho NM USA Reeiver System Note The front panel LEVEL control has no effect on the output levels at the rear panel XLR Audio Output jacks Likewise the software controlled audio output levels at the XLR jacks via the VRpanel GUI or the LCD has no effect on the levels at the front panel PHONES jack VRS and VRT Modules Both the VRS Venue Receiver Standard and VRT Venue Receiver Tracking modules are individual high performance triple conversion frequency synthesized UHF receivers controlled by the DSP The VRT modules include an RF frequency tracking front end PLL and VCO Circuits Each receiver module is frequency agile and can be set to operate on any one of 256 frequencies within its tuning range The PLL synthesizer receives instructions from the microprocessor then uses those instructions to set the receiver module s operating frequency by controlling the 1st and 2nd Voltage Controlled Oscillators VCO Switched Diversity Reception All installed receiver modules can operate as
60. ver 3 RS 232 Port A serial RS 232 interface is provided for setup and control of the Venue System from computers or other devices using industry standard RS 232 communication links Antenna Input Jacks Two BNC input connectors are provided for right angle whip antennas cables from remote antennas or cables from another VRM An internal mulitcoupler ensures the RF is applied equally to all installed Receiver Modules and also to the Antenna Output Jacks Antenna Output Jacks Two pairs of 50 Ohm BNC output jacks provide zero gain antenna loop throughs for an additional receivers allowing convenient expansion without the need for an external RF multicoupler or additional antenna systems Note Venue Systems can be looped together successfully only when they cover the same frequency block range Units outside of the frequency block range will experience substantial signal loss and very short operating range USB Port Standard USB Version 1 1 connector for setup and control of the VRM from computer systems Windows 2000 or XP only with a USB interface 10 e RAA Modular Digital Hybrid Wireless Reeiver System LCD Interface While the software supplied with the Venue System may make setting up and operating the system quicker and more efficient the system can also be completely set up and controlled via the front panel LCD and controls Direct interaction is provided using the front panel controls and the
61. ybrid Wireless Reeiver System 9V LTH 9VL For Lectrosonics Digital Hybrid 400 Series and 200 Series transmitters using 9V lithium batteries The voltage remaining in the battery is displayed as an icon on the Overview and Receiver Detail screens and as the value on the TxBatt Setup Screen for the selected Receiver Module Receiver modules set up for 9V lithium batteries will have 9VL displayed in the corresponding Receiver Module box at the bottom of the TxBatt Setup Screen AA ALK AA For Lectrosonics Digital Hybrid 400 series and 200 Series transmitters using AA alkaline batteries The voltage remaining in the battery is displayed as an icon on the Overview and Receiver Detail screens and as the value on the TxBatt Setup Screen for the selected Receiver Module Receiver modules set up for AA alkaline batteries will have AA displayed in the corresponding Receiver Module box at the bottom of the TxBatt Setup Screen AA LTH AAL For Lectrosonics Digital Hybrid 400 Series and 200 Series transmitters using AA lithium batteries The voltage remaining in the battery is displayed as an icon on the Overview and Receiver Detail screens and as the value on the TxBatt Setup Screen for the selected Receiver Module Receiver modules set up for AA lithium batteries will have AAL displayed in the corresponding Receiver Module box at the bottom of the TxBatt Setup Screen 9V TIM 9VT This timer is compatible with any trans

Lectrosonics Venue user manual May 2005

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