SR Series - Ljud & Bildmedia
Contents
1. 7 W9DID o M EE 7 Front Panel Controls and gijaieiile D 8 PRU OG C c S 8 Wa Bici MERE R PRERE 8 MENU SEL IUBNOD 22025 0 3922 985 p 8500 0 99 sade E ae LUN DOR IREDRUANUR T Oc E US tUS Da D dM Ade RN NoD RUE A DU E ID dURC NM eD MU CDI T 8 mb lmiis UNION MERERI ERA 8 S VIPIS I Eie Eze d TT TC T P 8 Rear Panel ANG Adapters t 8 Camera SIOUAG ADI SIS ors 9 Installing camera Set AdablefS uius iatxer eda tust oru uiu er e cuiadetinnsai EEE AEE AA ER A PaRi 9 Adapters for Stand alone USe NOCT 10 Installing Rear Panel Adapters 4 10 Battery Ad plET MMCT 10 Audio OUMDUT CADIS secese E E n RE EERE EE EEE EE a ERNER EEE REO Eaa 11 ERIGA POWE cio cM R E E E tseseseeetesicans nya aeet ce edaenaseacetanee 11 US ea FONGE UDE IN ea REEE E ERE R E E r E 11 Mourning and Orientali sissies aiaa Aaaa aAa Aaaa SASEA AAAA Eaa 12 WaiagowTL CD 13 ECD iB ACK Gt2. j 70 ws9 lower eight in the 626 100 75 wao Checkout adjacent blocks E M MN zm mM These frequencies share RF spectrum with TV chan nels The upper orange white set and the lower blue LEM 555 5 white set of frequencies provide two different lists of TV channels Use the set with fewer active TV stations in the area where you are operating Active TV station signals can be discovered by scanning with the Venue receiver or researched in advance on this web site www fccinfo com BLOCK 24 616 500 os we BLOCK 24 FREQ SW SET US TV CH esso 850 wi Rio Rancho NM BLOCK 25 FREQ SW SET US TV CH e amp so 5s ws BLOCK 25 FREQ SW SET US TV CH eme Bb mas 66 400 eo me BLOCK 26 ere os me BLOCK 26 FREQ SW SET US TV CH 664 500 BD we The lower eight are compatible with the upper eight in the adjacent blocks BLOCK 27 FREQ SW SET US TV CH 7070 89 we BLOCK 27 FREQ SW SET US TV CH 710 100 eD Ww 713 600 eo we BLOCK 28 reo os we BLOCK 28 FREQ SW SET US TV CH me 85 We BLOCK 25 oo 4s we P sa we e400 oa wao soon 54 wow Dun 75 w47 57 900 as BLOCK 29 FREQ SW SET US TV CH 760 000 Bo we BLOCK 29 FREQ SW SET US TV CH ao Eo we 0 0 0 0 0 cad swser UST 646900 45 tv4s N P 200 6510 IEEE
3. gt LVL 1K gt when level is set with TONE BACK lt select 05 OO to select 00 the UP DOWN buttons receiver DOWN pack L ________ TR a Rio Rancho NM jas SRa5P and SRa Dual Receivers Main Window The appearance of the LCD Main Window will change according to which diversity mode Selected When set to SWITCH the screen will be split to show both receiv ers at the same time LA When set to RATIO a single audio channel is displayed since the receiver are combined to pick up the same transmitter With the DIV MODE set to SWITCHED two audio channels will be displayed With the DIV MODE set to RATIO a single audio channel will be displayed Frequency Screen Press Sel from the Main Window once for Receiver 1 and twice for Receiver 2 The Selected receiver is de noted in the upper left corner of the screen 1 80 652 800 Press BACK to move from 2 AF Receiver 2 back to Receiver 1 657 500 In this example the upper screen denotes that receiver 1 is set at 652 800 MHz requiring that the correspond ing transmitter hex switches be set at 80 for this fre quency Lectrosonics transmitters with LCD interfaces allow frequency to be set in MHz or hex settings Press the Up and Down buttons to change the frequen cy of the receiver When the TUNING mode is set to NORMAL the Sel Up and Down buttons tune in single channel increments In the group tuning modes the
4. 26 4 LECTROSONICS INC UHF Digital Hybrid Wireless General Technical Description RF PCB Block Diagram Mixer 243 950 MHz ra 243 950 MHz 250 kHz E L3 Pulse Window detect High side iniecti injection 244 200 MHz rss SR Dual Receiver RF Board switch n 248 800 MHz gt RSSI d LE Rx me Audio 2 d LE detector RF amp IF Receiver 1 Phase switch High side injection Window detect SAW filter Mixer amp 248 450 MHz HD 248 450 MHz 350 kHz Audio PCB Block Diagram LCD fr 5V Ref i Audio amps Digital pot audio switch DH up To both PLL To phase switches i p ne 3 3V Audio 1 from RF PCB Audio 2 V Reg 3 3 DC DC ZX conv Diode 5V HP On Off 5V Osc digital protected sync atten outputs Fuse 1 6V Camera DC DC DC DC power in conv conv Digital pot audio switch sync The SRa5P and SRa consists of two separate receivers SmartDiversity allows each receiver to run indepen built into a single ultra compact housing with inter dently to provide two separate audio channels The changeable adapters for video camera wireless receiver algorithm analyzes both the incoming RF level and the slots and stand alone use Digital Hybrid Wireless rate of change in RF level to determine the optimum technology provides superb compandor free audio timing for phase switching and the optimum antenna quality and compatibility with other wirele
5. PHASE This setup screen allows the audio output phase to be inverted to compensate for situations such as phase inversion caused by microphone wiring TXBAT This setup screen allows you to Select the exact battery being used in the transmitter to provide more accurate battery level monitoring When the COMPAT mode is set to HYB hybrid or the 200 Series mode the sel choices are e 9V Transmitter uses a 9V alkaline battery e 9VL Transmitter uses a 9V lithium battery not rechargeable e 9VT Transmitter uses a 9V battery of any type Monitor its status with the timer in the LCD Main Window This is the best choice when using a re chargeable battery in the transmitter e AA Transmitter uses a AA alkaline battery e AAL Transmitter uses a AA lithium battery not rechargeable e AAT Transmitter uses an AA battery This is the best choice when using a rechargeable battery in the transmitter The 9VT and AAT settings are most useful for NiMH batteries as they do not exhibit reliably identifiable voltage drops as they discharge In compatibility modes other than 400 Series and 200 Series no battery telemetry information is available so the TXBAT setup screen offers only two choices e no timer Display no transmitter battery status in the main window e TIM Monitor the transmitter battery status with the battery timer in the LCD Main Window NOTE To reset the timer set the TXBAT mode to
6. To add a frequency to tuning either group U or V Select the desired frequency as in the previous paragraph then hold the Sel button in then hold the UP or DOWN button in until the letter stops blinking To delete a stored frequency Select it with the UP and DOWN buttons then hold the Sel button in then hold the UP or DOWN button in until the letter starts blinking SHORTCUT Hold the MENU button in while pressing the UP or DOWN arrow to jump in 16 channel increments 1 6 MHz steps If the TUNING mode is set to a group it will still step up or down in the same 16 channel increment which will likely tune to a frequency that is not included in the group letter will blink in this case SmtNR This setup screen is available only in the 400 Series COMPAT compatibility mode Select the desired mode while listening to the audio to of one of three choices e OFF provides no noise reduction for complete transparency which is useful in controlled environ ments with very little high frequency noise such as an indoor motion picture production set Rio Rancho NM UHF Digital Hybrid Wireless e NORMAL applies a moderate amount of noise reduction to noticeably reduce hiss from subtle sources such as electret microphones e FULL is very similar to the Lectrosonics noise reduction system used for many years in the 195 and 200 Series analog systems Hiss from electret microphones and some environmental HF noise are suppressed
7. AUDIO CH 2 OUT AUDIO CH 2 our CH 2 AUDIO SHIELD CH 2 HOT CH 2 COMMON COLD J1 11 AUDIO CH 2 GND yz AUDIO CH 2 HD PH P5 NC AUDIO CH 1 HD PH gt wc J1 15 EXT PWR GND Jia J1 17 J1 18 VCC EXT PWR IN SRSNY Adapter kit for Sony camera slots includes be zel hardware and rear panel DB15 connector wired for power and audio connections RECEIVER INTERFACE CONNECTOR SONY CAMERA INTERFACE CONNECTOR 3 3V OUT gt NC REC REM gt J1 3 AUDIO CH 1 our nu J1 5 NC J1 6 NC J1 7 gt J1 8 NC J1 9 NC 32 204 AF HOT CH 1 AF HOT CH 2 DC 7V PWR AUDIO CH 1 our AUDIO CH 1 GND AUDIO CH 2 OUT si dicio AUDIO CH 2 OUT jsi J2 9c J2 10 AUDIO CH 2 GND 2 J2 11 AUDIO CH 2 HD PH gt NC J2 12 AUDIO CH 1 HD PH DJ wc vibe EXT PWR GND dicus J1 17 32 15 lt VCC D EXT PWR IN Ls J1 18 UniSlot is a trademark of Ikegami Tsushinki Co Ltd Ikegam is a registered trademark of Ikegami Tsushinki Co Ltd UHF Digital Hybrid Wireless Installing Camera Slot Adapters SRUNI Adapter Thread two short screws through the recessed tabs on the adapter and slide it onto the receiver housing Thread two short screws through the tabs on the receiver flange as shown On the opposite side thread two long screws th
8. ternal splitter so that both antenna signals are available to both receivers for SmartDiversity reception The mixer in each receiver takes the signal from the PLL to generate the first IF signal with both PLL circuits fed from a common reference oscillator to maintain signal phase through the IF sections Microcontroller PLL and VCO Circuits The 8 bit microprocessor is the heart of the SRa5P and SRa receivers It monitors user command inputs from the front panel control buttons and numerous other internal signals such as RF level audio levels pilot tone levels and transmitter battery status Outputs from the microcontroller drive the LCD display and backlight control the squelch and audio output attenuator the PLL VCO circuits and the antenna phase switch IF Amplifiers and SAW Filters The first IF stage at 244 MHz employs two state of the art SAW surface acoustic wave filters The use of two filters significantly increases the depth of filtering while preserving sharp skirts constant group delay and wide bandwidth Though expensive this special type of filter allows primary filtering as early as possible at as high a frequency as possible before high gain is applied to deliver maximum image rejection Since these filters are made of quartz they are very temperature stable After the SAW filter the 244 MHz IF signal is converted to 250 kHz in receiver 1 and 350 kHz in receiver 2 Only then is the majority of the
9. o d Press UP DOWN to scroll SETUP gt SEL gt Press NOTE Main Window will look like this frequency DIVMODE lt BACK pirate when the RATIO DIV mode is selected i vd B d RECEIVER 1 RECEIVER 2 SETUP p s amp COMPAT Seto gt COMPAT Pe COMPAT lt BACK HYB lt select HYB I ede receiver UP DOWN Y RECEIVER 1 RECEIVER 2 P TUNING sEL TUNING etl to gt TUNING PENES BACK NOR a lt select NOR EN to select i receiver UP DOWN Y RECEIVER 1 RECEIVER 2 Press SETUP gt SEL to gt Press P DOWN SmtNR lt select Ed piii receiver UP DOWN Y RECEIVER 1 RECEIVER 2 P SETUP p seL gt PHASE get to PHASE uu PHASE BACK select EN to select receiver UP DOWN Y RECEIVER 1 RECEIVER 2 a SETUP p L seL TXBAT eee Press NOTE To reset the timer set the TXBAT TXBAT BACK 9v lt select gt UPDOWN mode to anything other than 9VT or AAT URBIUM then back to the desired mode UP DOWN Rc e AL LM E SETUP p ser gt MXTRIM ie gt MIXTRIM Press L 35S seming Goes TION MIXTRIM BACK 00 lt select 00 Ed iiri appear when the MIXMODE L o eee Ju is set to DIRECT UP DOWN y SETUP SEL gt MIXMODE e Te MIXMODE k BACK MIXBOTH Social UP DOWN Y RECEIVER 1 RECEIVER 2 RECEIVER 1 Press 9 Press Tone will be enabled SETUP p SEL SELto T gt TONE gt UP DOWN
10. 2 6 18 VDC GND RIBBED LEAD 10 For stand alone use this kit includes a rear panel with two TAS male jacks for the balanced out puts and a power jack with a locking connector Trim the power cable to the desired length INTERFACE WITH AUDIO BOARD J1 3 3V OUT REC REM AUDIO CH 1 OUTPUT AUDIO CH 1 OUTPUT AUDIO CH 1 GND AUDIO CH 2 OUTPUT AUDIO CH 2 4 OUTPUT AUDIO CH 2 GND AUDIO CH 2 4 HEAD PH AUDIO CH 1 HEAD PH EXT PWR GND VCC EXT PWR IN INTERFACE WITH AUDIO BOARD J1 3 3V OUT REC REM AUDIO CH 1 OUTPUT AUDIO CH 1 OUTPUT AUDIO CH 1 GND AUDIO CH 2 OUTPUT AUDIO CH 2 4 OUTPUT AUDIO CH 2 GND AUDIO CH 2 4 HEAD PH AUDIO CH 1 HEAD PH EXT PWR GND VCC EXT PWR IN Installing Rear Panel Adapters Installation of the rear panel output power adapters is the same for all models Panels are held in place by two phil lips head screws on the sides of the housing Connections between the panel and main circuit board are made via miniature mat ing connectors Align the mating connectors and slide the panel straight into the housing until the screw holes align with the housing Battery Adapter The receiver can be powered with an optional battery sled adapter that attaches to the outside of the housing Two mirror image versions of the adapter are available SRBATTSLEDTOP Positions the battery on top of the receiver f
11. ET tv45 tv46 e SRa5P and SRa Dual Receivers Frequency Coordination IM intermodulation is a process of two or more RF signals mixing in any stage in the transmitter or receiver that generates another RF signal If this new signal happens to land on a carrier IF or oscillator frequency you may have interference problems that affect range or audio quality The possible combinations also include odd and even order harmonics of the carriers Feel free to contact the factory if you need help in coor dinating frequencies A specialized computer program is used to perform thousands of calculations and identify various interfering signals Potential problems and trou ble areas can be identified in advance and proposed new frequencies or other solutions can be suggested This service is offered to authorized Lectrosonics deal ers and other customers who are using Lectrosonics wireless microphone and wireless IFB systems Even with thorough analysis interference can still be present from local sources that cannot be predicted in advance This makes it mandatory to check out a multi channel system before the production or use begins a Multi channel System Checkout Interference can result from a wide variety of sources including TV station signals other wireless equipment in use nearby or from intermodulation within a multi channel wireless system itSelf The pre coordinated frequencies on the chart on
12. Up and Down buttons step through the pre coordinated frequencies NOTE When operating in the 2 channel mode always set Receiver 2 to a higher frequency than Receiver 1 by least 400 kHz four standard steps on the switches Setup Screens 1 From the Main Window press Sel three times to enter the setup sels Press UP and or DOWN to scroll through the available sel items Press Sel to enter the setup screen for the Selected sel item For those sel items that allow separate settings for each receiver press Sel repeatedly to toggle back and forth between Receiver 1 and Receiver 2 then press the UP and DOWN buttons to Select the value or option Press BACK to return to the setup sel to Select the next item 0 LEVEL This setup screen displays the audio output level of the receiver in dBu Use the Sel Up or Down buttons to change the level Range is from 50 to 5 dBu in 1 dB steps Press the Sel button to leave this screen The output levels at the two jacks may be set indepen dently regardless of the diversity mode setting SCAN This function provides a fast and reliable method of finding clear channels for each receiver Press Sel to start the scanning Follow the procedure outlined in the navigation map on the previous page and on the page entitled Scanning for Clear Frequencies for instructions on using the scanner to find clear channels DIVMODE The SWITCH diversity mode allows the two internal receivers to ope
13. changes in size horizontally to indicate the audio level modulation of the signal received from the transmitter The icon display will change to a solid rectangular block when the audio signal is being limited in the transmitter Battery Levels When the COMPAT mode is set for a compatibility mode that supports battery telemetry 400 and 200 Series a battery icon is displayed on the LCD to indicate the transmitter battery condition The receiver will periodically check the battery voltage and update the icon in a fuel guage manner In the example at left the icon indicates about half full When other COMPAT modes are Selected this area of the LCD will be blank If Selected in the TXBAT setup screen a transmitter battery timer is available for any compatibility mode It accumulates hours and minutes whenever the transmitter is turned on and retains the ac cumulated time even when the receiver is off The icon represents a digital clock readout rotated 90 degrees and in this example is indicating 4 minutes To reset the battery timer change the Selec tion in TXBAT to something other than a timer mode NOT AAT or 9VT Rio Rancho NM 4 SRa5P and SRa Dual Receivers LCD Backlight Setup Hold the UP arrow and turn on the power The unit will boot up then display the Backlight Options screen Use the UP and DOWN arrows to select the desired back light operating mode BKLIGHT gt Remains on ON A d UP DOWN Y BKLIGHT
14. from the microphone itself To put this in perspective the noise generated by the recommended 4k bias resistor of many electret lavaliere mics is 119 dBV and the noise level of the microphone s electronics is even higher In order to reduce this noise the receiver is equipped with a Smart Noise Reduction algorithm which removes hiss without sacrificing audio high frequency response The Smart Noise Reduction algorithm works by at tenuating only those portions of the audio signal that fit a Statistical profile for randomness or electronic hiss Because it much more than a sophisticated variable low pass filter the transparency of the audio signal is preserved Desired high frequency signals having some coherence are not affected such as speech sibilance and tones LECTROSONIICS INC The Smart Noise Reduction algorithm has three modes Selectable from a user setup screen The optimal set ting for each application is subjective and selected while simply listening OFF no noise reduction is performed and complete transparency is preserved All signals presented to the transmitter s analog front end including any faint micro phone hiss will be faithfully reproduced at the receiver NORMAL enough noise reduction is applied to remove most of the hiss from the microphone preamp and some of the hiss from lavaliere microphones The noise reduction benefit is significant in this position yet the degree of transparency mainta
15. gain applied just before the signal is converted to audio with a pulse counting detec tor Although these IF frequencies are unconventional in a wide deviation x75 kHz system it offers outstand ing AM rejection figure over a very wide range of signal strengths and produces an excellent noise improvement at low signal strengths Digital Pulse Counting Detector The receiver uses an elegantly simple yet highly effec tive 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 DSP Based Pilot Tone The Digital Hybrid system design uses a DSP gener ated ultrasonic pilot tone to control the receiver audio muting squelch Brief delays are applied to eliminate thumps pops or other transients that can occur when the power is turned on or off 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 where a pilot tone signal can appear in the wrong receiver via intermodulation products The DSP generated pilot tone also eliminates fragile crystals allowing the receiver to survive shocks and mishandling much better than older analog based pilot tone systems Note This description applies only in 400 Series mode In 200 Series mode only one pilot tone frequency i
16. INSTRUCTION MANUAL SR Series Camera Slot Dual UHF Receivers e SR e SRa e SRa5P Featuring Digital Hybrid Wireless Technology U S Patent 7 225 135 Quick Start Summary on Page 3 Serial Number LECTROSONICS eg Rio Rancho NM USA www lectrosonics com Purchase Date SRa5P and SRa Dual Receivers LECTROSONIICS INC Digital Hybrid Wireless The Lectrosonics Digital Hybrid Wireless uses innova tive technology to combine the advantages of digital audio with the advantages of analog RF transmission thus delivering the superior sound quality of a digital system and the excellent range of an analog system A proprietary algorithm encodes the digital audio informa tion into an analog format which can be transmitted in a robust manner over an analog FM wireless link The receiver employs state of the art filters RF amplifiers mixers and detector to capture the encoded signal and a DSP 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 what a compandor can offer Because the encoded audio is sent in analog format spectral and power efficiency and operating range are not com promised Under weak RF conditions the received signal de grades gracefully like an analog system delivering as much usable audio as possible at maximum range Since t
17. SOU srs 14 NavgangTthme 15 Vi ad oso A 16 Preguen y SONS CMe NT o oer 16 UNIS SUS NS TOTO A A E A A E E 16 Front Parel SnorCU CERE EE TE T m E A E ER S 18 Locking and Unlocking the Front Panel Controls pp 18 Scanning for Clear FreguentiesS m 19 Cain VIEW Who 19 aee CW VOW E T 19 Pre coordinat d FrequenclEsS 20 eo qois Muce uedu E 20 Genere dB AN RR NT m 21 xeu eei m 22 Multi channel System Checkout e 22 JrouoIesnooings 23 Specifications ANG giri t 25 SENICE and REDA ee M 26 Returning Units for Repair m VO
18. SW SET NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE FREQ SW SET US TV CH exse 75 ws FREQ US TV CH FREQ SW SET US TV CH 544 500 FREQ SW SET US TV CH 570 100 Grp C 7 5 NOT AVAILABLE 7 B so ws 478 700 479 700 480 200 481 900 482 600 483 200 483 900 485 700 Grp D TV16 TV16 TV16 NOTE These frequencies can also be manually tuned with block 470 modules 20 LECTROSONICS INC UHF Digital Hybrid Wireless Compatibility Diagram BLO BLOCK 25 FREQ SWSET USTV CH Compatibility follows the pattern illustrated in the dia vini crc MELIUS Grp a and Grp b contain the 16 frequencies shown in the table below upper orange white set EE All 16 within the eee Grp c and Grp d contain the 16 frequencies shown in same block are the table below lower blue white set compatible EN 637 500 M6 vo3eso0 r9 uv v4 NOTE There is no assurance that frequencies are compatible between the upper orange white set and the lower blue white set Combined use of BLOCK 24 BLOCK 25 FREQ SWSET USTVCH 646 900 frequencies from both sets requires testing with The upper eight are 650000 64 tw3 44 the procedures outlined in the following section compatible with the entitled Diagnostics Multi channel System
19. Transmitter RF Level Audio Level Pilot Tone RF Level RF Level Level Battery Level Indicator The Main Window displays information concerning the Pressing the Sel Sel button accesses the sel Selec condition of the Pilot Tone antenna phase RF and tions for setting up the receiver and searching for clear audio signal levels and battery conditions for both the frequency channels receiver and the associated transmitter Pilot Tone Indicator A steady P icon will be displayed when a pilot tone from the transmitter is present The P will appear only in those compatibility modes which use pilot tone such as the native 400 Series 200 Series modes and Mode 6 The icon will flash if no pilot tone is detected and will change to a small b if the pilot tone has been bypassed To bypass or enable the pilot tone on Receiver 1 hold Sel and press the UP button briefly To bypass or enable the pilot tone on Receiver 2 hold Sel and press the DOWN button briefly Bypassing the pilot tone also disables the squelch regardless of which compat ibility mode has been selected Antenna Phase Indicator This icon antenna is displayed when the SWITCHING DIVERSITY mode is Selected As the antenna phase is switched the symbol will flip vertically RF Level This icon changes in size vertically to indicate the strength of the incoming RF signal Audio Levels One icon is used in the SWITCHED DIVERSITY mode and the other when RATIO DIVERSITY is Selected The icon
20. al and vertical positions using the mounting foot 12 SRSLEEVE Mount An optional mounting sleeve is available to simplify mounting the receiver on camera body battery brack ets and other locations The sleeve is furnished with a hook loop Velcro swatch for mounting on flat surfaces SRHARDWARE Cold Foot Adapter This hardware and adapter kit allows the SRSLEEVE to be mounted on a cold shoe A right angle bracket is in cluded so the sleeve can be mounted in a horizontal or vertical position Vertical mounting is generally preferred because the antennas will provide a circular horizontal patter For indoor applications where multipath reflec tions are prevalent the best antenna orientation can be discovered by simple walk test while observing the RF level indicators on the receiver LCD RATPAC Connector The 5 pin RATPAC right angle connector is designed for the front panel output jack The 3 pin version is de signed for the rear panel outputs on the receiver The connector can be rotated during assembly to exit the cable in the desired direction See instructions included with the RATPAC kit LECTROSONICS INC Main Window LCD Receiver 1 Receiver 2 Diversity Transmitter NOTE When the RATIO DIVERSITY mode Activity Battery Level is Selected both receivers are combined to pick up the same transmitter so the Main Window will display a single audio channel Receiver 1 Receiver 2 Audio
21. ally attenuated by 6 dB prior to the mixing This is done to avoid overload and potential distortion since mixing increases the level by 6 dB The same input gain on the camera or mixer can generally be used regard less of whether or not a mix mode is being used in the receiver TONE The TONE setup screen enables an audio test tone at the receiver output for precise level matching with other equipment The first screen prompts you to press the UP or DOWN button to enable the tone at the receiver output RECEIVER 2 TONE 05 E Once the button is pressed a 1 kHz tone is enabled and its level can be adjusted with additional presses on the UP or DOWN buttons The level set here will be retained in the regular oper ating mode it will supersede the setting made in the LEVEL setup screen The test tone has 196 distortion and is intended for confirmation of output levels only To exit the test tone screen and stop the tone press the BACK button The first screen prompts you to press the UP or DOWN button to start the tone 18 Front Panel Shortcuts A convenient shortcut is available from any setup screen that displays the receiver selection option switching diversity mode with two separate receivers Once the value has been set on one receiver the same value can be copied to the other receiver with a simple button push combination For example in the Setup Levels screen holding the MENU button and pressing the UP arro
22. anything other than 9VT or AAT then back to the desired mode y SRa5P and SRa Dual Receivers MIXTRIM and MIXMODE Since this is a dual receiver that can be used with cam eras that offer only a single input in the slot special op tions are available to allow the audio from the receivers to be mixed to either one or both audio output channels The MIXMODE seiting determines which audio signal appears at which output channel e MIXBOTH mixes the audio and delivers the mix to both output channels e MIXTO 1 mixes the audio and delivers the mix to output channel 1 e MIXTO 2 mixes the audio and delivers the mix to output channel 2 e DIRECT keeps the audio separated and delivers receiver 1 audio to output channel 1 and receiver 2 audio to output channel 2 The MIXTRIM setting applies attenuation up to 20dB in 1 dB steps to adjust the ratio of the two audio signals in the mix This adjustment takes effect only when a mix mode is Selected it is ignored when the mix mode is set to DIRECT IMPORTANT The LEVEL setting in the other setup screen see previous page is hardware based and affects the output level regardless of which mix mode is selected MIXTRIM then applies attenuation to that level setting resulting in the final level delivered to the output channel It is good practice to set the LEVEL of both receivers to the same value when using a mix mode When a MIXMODE is Selected each audio signal is au tomatic
23. at the same time to switch to the Zoom View In this view the cursor remains fixed in the center of the screen and the back ground scrolls behind it The frequency can be stepped up and down in 100 kHz increments using the UP and DOWN arrow buttons To clear the scan memory and screens press the back button repeatedly to return to the Main Window then press and hold the PWR button briefly As soon as Powering off appears on the display release the button The receiver will remain turned on and the scan data will be erased Set your transmitter switches to the same settings as shown on the display turn the transmitter on and verify that a strong RF signal is present NOTE When operating in the 2 channel mode always set Receiver 2 to a higher frequency than Receiver 1 by at least 400 kHz four 100 kHz steps on the switches 784 SRa5P and SRa Dual Receivers Pre coordinated Frequencies Interference from IM intermodulation is a potential problem in all multi channel wireless systems So proper frequency coordination is always required to avoid noise range and dropout problems Your options to ac complish this include e Using the pre coordinated frequency groups e Performing a system checkout See Multi channel System Checkout e Calling Lectrosonics for assistance Compatible Frequency Table Groupings of compatible frequencies have been cre ated to minimize intermodulation problems in multiple channel wire
24. ce Display indicates CHECK FREQ This is a warning that a strong RF signal is present that is not centered on the channel and the audio is likely to be distorted There are three principal causes 1 The transmitter is set to the wrong channel but close to the the correct channel Check frequency setting of transmitter 2 Aforeign signal is causing the condition such as from a local TV station or from intermodulation from another transmitter Hetune the receiver and transmitter to a clear frequency 3 The transmitter carrier frequency is not correct rare occurence Contact factory for repair If any of these solutions don t remove the warning message the transmitter or receiver may need repair PILOT TONE SQUELCH Pilot Tone indicator P present but no sound Check audio meter first Audio output cable bad or disconnected Audio Output level too low Use the built in test tone to verify levels Pilot Tone Indicator P keeps flashing when transmitter turned on Pilot tone detection can take several seconds Turn on the transmitter power and the audio switch on some models and wait 3 to 5 seconds for the P to indicate steadily Transmitter and receiver not on same frequency Receiver compatibility mode does not match the transmitter in use See Sel Selections from Main Window COMPAT Window Noise on audio and Pilot Tone Indicator is b The pilot tone bypass has been activated Hold Sel and press UP to reset w
25. eceiver UHF whip antennas are generally about 3 to 5 inches long UHF helical antennas may be shorter but are often less efficient No RF Signal Make certain frequency switches on transmitter match the receiver frequency setting Check battery in transmitter AUDIO SIGNAL QUALITY Poor signal to noise ratio 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 SRa5P and see if the noise lowers correspondingly If the noise remains the problem is not in the receiver Heceiver output is too low for the input of the device it is feeding Try increasing the output level of the SRa5P and lowering the input gain on the device the SRa5P is feeding Distortion Transmitter input gain too high Check and or readjust input gain on transmitter according to the LEDs on the transmitter and then verify the setting with the audio meter in the main window Audio output level too high for the device the SRa5P is feeding Lower the output level of the SRa5P Bad frequency response or generally poor audio quality Ensure the receiver is set to the compatibility mode that matches the transmi
26. ent version of the basic receiver with per manently attached whip antennas and the audio output on the rear panel only SRa This is the current version of the basic receiver with de tachable whip antennas and the audio output on the rear panel only Will work with the OCTOPACK multicoupler SRa5P The current version of the full featured receiver Detach able whip antennas and second audio output on left hand side of the front panel Will work with the OCTOPACK multicoupler SRa5P and SRa Dual Receivers Table of Contents GOUT GK Shak unimaky 3 General TEChhiCal Description 5 RF Front End and MIXer TE 6 Miterecontrolier Pll anid VOCO Civ CS 6 laitiers omes 6 Digtal Pulse Counng es 6 Bs SC CPP NOL we 6 vini deen 6 omat Noise Reduction SMart x 6 Supersonic Noise Based Dynamic Filter and Squelch pp 7 RF Controlled Digital Noise Filter 4 7 Audio OUMOUT LGV EL Pr ctoles 7 jupe n 7 meis c
27. epartment 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 For timely service please follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by email 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 A M to 4 P M U S 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 C Packthe equipment carefully and ship to us shipping costs prepaid If necessary we can provide you with the proper packing materials UPS or FEDEX is usually the best way to ship the units Heavy units should be dou ble boxed for safe transport D We also strongly recommend that you insure the equipment since we cannot be responsible for
28. gt 30 SEC Dims after 30 seconds A UP DOWN Y BKLIGHT gt Dims after 5 minutes 5 MIN AN UP DOWN Y BKLIGHT P Hemains off 74 LECTROSONIICS INC UHF Digital Hybrid Wireless Navigating the LCD Setup Window Hecelver 1 Hold MENU and Main Window Hold MENU Mute Audio on NOTE Press the Pilot Tone press UP l Tand hold UP Receiver 1 ON OFF ome italy BACK button from F F j E the Main Window press DOWN F JH i b Hold MENU and Mute Audio on to briefly display 1 hold DOWN Receiver 2 the external power momentarily eT ee d supply voltage Hold MENU and Receiver 2 Pilot Tone ON OFF MENU Z Y BACK p Back 1 80 Receiver 1 F MENU MENU 652 800 Press UP DOWN to change frequency NOTE When the receivers are combined in the RATIO 80 RATIO DIVERSITY mode the frequency 652 800 screen will look like this l Press i ree 2 AF Receiver 2 to select 657 500 Press UP DOWN to change frequency RECEIVER 1 RECEIVER 2 SETUP gt seL gt LEVEL SEL LEVEL Ae R LEVEL lt BACK 4 IW 00 lt SEL 00 NN to adjust MET AE uP BACK SCANNING SCANNING STARTS STOPS ZOOM GRAPHIC SETUP gt SEL 7 uas e Press UP DOWN Press both PNG d gt toscroll UP and DOWN gt SCAN BACK rein frequency to ZOOM d pown BACK L
29. he audio is free of compandor artifacts pumping and breathing problems are also greatly reduced Model Differences UHF Digital Hybrid Wireless Quick Start Summary The following checklist includes the minimum required settings to start using the receiver e Install either stand alone or camera slot adapter kit the antennas and position the receiver as it will be used see pages 9 12 e Connect power to the receiver see pages 10 11 e Set the COMPAT compatibility mode for the trans mitters to be used see pages 15 16 e Find clear operating frequencies for one or both receivers see pages 19 21 NOTE When operating in the 2 channel mode always set Receiver 2 to a higher frequency than Receiver 1 by least 400 kHz four standard steps on the switches e Set transmitters on the matching frequencies see transmitter manual e Verify transmitters are set to the same compatibility mode as the receiver see transmitter manual e Adjust transmitter s input gain to match voice level and mic position see transmitter manual e Adjust receiver output level as needed for the cam era or mixer input level desired see pages 15 16 In this manual you will see both the SRa5P and SRa pictured in various contexts There is no functional difference between the two models other than the second output jack on the 5P version so either receiver may be used as either is pictured Rio Rancho NM SR This is the curr
30. ill reveal all RF signals present in the receiver including those generated by IM intermodulation Navigate to the Setup Scan screen and press the Sel button to start the scanner The display will switch to the SCAN WINDOW and start scanning immediately Allow the receiver to scan Scroll through the screen and find a frequency where no HF signals or in the worst case only very weak RF signals are present With the cursor on this frequency simultaneously press the Sel Up Down and Sel buttons to leave the scan mode Data gathered during a scan is stored until it is inten tionally erased or the power is turned off Previous data will remain and subsequent scans can be made to search for additional signals or to accumulate higher peaks To stop scanning press the Sel button once The scan ning will stop immediately and the display will switch to the VIEW window Pressing the UP or DOWN buttons will scroll the cursor coarsely across the tuning range The transmitter switch settings matching the frequency indicated by the cursor are shown in the upper right corner of the screen Rio Rancho NM Zoom View Window Press both UP and DOWN arrows on control panel to switch to the Zoom View NS Press the BACK LU button to return to the Scan View Window Transmitter Cursor center bar Switch Settings lt B3 gt RF Signal SCROLL indicators reminders Press both the UP and DOWN buttons
31. ined is exceptional FULL enough noise reduction is applied to remove most of the hiss from nearly any signal source of rea sonable quality and some high frequency environmental noise assuming levels are set properly at the transmit ter Supersonic Noise Based Dynamic Filter and Squelch In addition to SmartNR all hybrid receivers are equipped with a supersonic noise based dynamic filter and squelch system The incoming audio is monitored for energy above 22 kHz pilot tone excepted Excessive high frequency energy indicates that the received signal is too weak to achieve an acceptable signal to noise ratio Under marginal conditions a variable low pass filter is rolled in dynamically masking the noise while preserving as much of the transmitted signal as pos sible When the channel is too noisy even for the filter the audio is squelched This noise based filter and squelch system replaces a more or less equivalent system used for many years which based its operation on RF signal strength Perfor mance of the two systems is virtually identical but the noise based system requires no calibration and there is no better way to track the signal to noise ratio than to measure it directly RF Controlled Digital Noise Filter In extremely weak signal conditions an RF sensitive variable frequency filter is applied to reduce the high frequency response of the receiver This filter does nothing until the RF signal strength drops bel
32. less systems The frequencies can be used with Digital Hybrid and analog Lectrosonics wireless equipment Compatibility with other brands is likely but not guaranteed by Lectrosonics The table provides two different sets of pre coordinated frequencies for frequency blocks 470 through 29 The table is constructed to create a visual pattern of com patible frequencies to make it easier to use The fre quencies are stored in memory in various products and included in the VRpanel software BLOCK 22 FREQ 563 700 564 300 565 200 565 800 567 100 568 000 568 500 569 300 SW SET US TV CH tv29 tv29 tv29 tv29 tv30 tv30 tv30 tv30 Grp a oB Pre coordinated fre quencies are arranged in four groups as shown at right Grp b The uppermost eight frequencies comprise Grp a the eight just below them comprise Grp b and so on BLOCK 22 FREQ SW SET US TV CH ee 500 Displayed as GROUP a through GROUP d in the LCD and as Grp a through Grp d in VRpanel tv32 BLOCK 470 BLOCK 19 FREQ SW SET US TV CH BLOCK 20 13 100 os va BLOCK 21 FREQ SW SET US TV CH BLOCK 22 SW SET NOT AVAILABLE FREQ US TV CH FREQ SW SET US TV CH FREQ SW SET US TV CH 564300 oB we 566 100 Bo ws 59 Bo we Grp B NOT AVAILABLE NOT AVAILABLE NOT AVAILABLE BLOCK 20 FREQ SWSET USTVCH 518 900 TV22 BLOCK 470 BLOCK 19 BLOCK 21 BLOCK 22 BLOCK 23 495 400
33. loss of or dam age to equipment that you ship Of course we insure the equipment when we ship it back to you Lectrosonics USA Mailing address Lectrosonics Inc PO Box 15900 Hio Rancho NM 87174 USA Web www lectrosonics com Lectrosonics Canada Mailing Address 49 Spadina Avenue Suite 303A Toronto Ontario M5V 2J1 ee Shipping address Lectrosonics Inc 581 Laser Hd Hio Rancho NM 87124 USA E mail sales Q lectrosonics com Telephone 416 596 2202 877 753 2876 Toll free 877 7LECTRO 416 596 6648 Fax Telephone 505 892 4501 800 821 1121 Toll free 505 892 6243 Fax E mail Sales colinb lectrosonics com Service joeb lectrosonics com LECTROSONIICS INC UHF Digital Hybrid Wireless Rio Rancho NM 27 SS SONA 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 SS 7 ALMA SS j 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 Lectrosonic
34. ni XLR connectors for dual channel use UHF Digital Hybrid Wireless External Power Cables 21747 PS200 External Power Supply Locking LZR style plug to stripped and tinned 6 feet long Locking LZR style plug to stripped and tinned 12 inches long Hirose 7 4 pin to LZR type locking plug 12 long The CH20 power supply with a locking LZR power jack 110 VAC input 12V DC regulated output 400 mA max E SRa5P and SRa Dual Receivers Mounting and Orientation Installation into the slot on a video camera places the antennas in an optimal vertical position away from the camera body When used with non slot cameras as depicted in the diagram below one or two receivers can be positioned in a variety of locations around the camera body using the Velcro and SRaSLEEVE mounting options eee m eee pcm M Mounting the receiver horizontally on the side of a camera can seriously reduce the operating range of the wireless system For maximum operating range the antennas should be vertical and above the camera body While it may be convenient mounting the receiver horizontally on the side of the camera can seriously reduce the operating range of the wireless system The receiver provides stand alone operation with the battery sled adapter and mounting sleeve It can be mounted in any position with Velcro or in horizont
35. or mounting on the top of the camera with the LCD oriented correctly SRBATTSLEDBOTTOM Positions the battery on the bottom of the receiver for mounting on the bottom of the camera with the LCD oriented correctly The adapter includes an integrated connector plate and accepts L and M type video camera rechargeable batteries The adapter sled does not include charging circuitry Batteries must be recharged with their respec tive chargers The external power jack in cludes a switch that disconnects the battery when a plug is inserted LECTROSONICS INC Audio Output Cables MCSR5PXLR5P RATPAC Adapter Kit ES i pem T MCSRPT Right angle TA5F plug to 5 pin XLR balanced outputs 25 inches long For SHa5P 5P outputs Right angle TA5F plug to two 3 pin XLR balanced outputs 20 inches long For SHa5P 5P outputs Adapter kit to build either a 3 pin or 5 pin TA Series right angle connector Includes standard 5 pin connector modified 3 pin insert and backshell aluminum right angle housing strain relief tubing set screws and wrenches 12 inch long TAS female to stripped and tinned wires for balanced output MCSRXLR PIN 1 Shield PIN 2 Audio white PIN 3 Audio green 12 inch long TA3 female to XLR male 3 pin for balanced output MCSRTRS Rio Rancho NM PIN 1 Shield PIN 2 Audio PIN 3 Audio Male 3 5 mm TRS plug to two female TA3 mi
36. orks only from the Main Window Pilot Tone Indicator not present but receiving audio Heceiver is set to a compatibility mode that doesn t use Pilot Tone Check that receiver compatibility mode matches the transmitter in use as any sufficiently strong signal can unsquelch the receiver in this mode compatible or not NOTE In the 400 Series 200 Series and Mode 6 compatibility modes the PILOT indicator on the LCD 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 Regardless of the compatibility mode activating the pilot tone bypass causes a lowercase b to appear on the LCD main window and forcing the squelch to open and deliver audio When no matching transmitter is turned on loud noise will be present at the receiver output Rio Rancho NM 23 SRa5P and SRa Dual Receivers Symptom Possible Cause ANTENNAS AND RF SIGNAL STRENGTH RF Level is weak Receiver may need to be moved or reoriented Antenna on transmitter or receiver may be defective or poorly connected double check antennas Improper length of antenna or wrong antenna on transmitter or r
37. ow 3 uV at which point it begins to roll off high frequencies Usable audio remains unaffected but noise ups or hits occur ring near the fringe of reception sound much less harsh Audio Output Level A setup screen is provided for adjusting the audio out put level in 1 dB increments from 50 to 5 dBu using the front panel UP and DOWN buttons Rio Rancho NM UHF Digital Hybrid Wireless Test Tone To assist in matching the audio levels of equipment connected to the SRa5P or SRa a 1 kHz audio test tone adjustable from 50 to 5 dBu in 1 dB increments is available at the XLR connector This tone is available through the TONE setup window Power Supply The SRa5P and SRa is operated from an external DC power source The power supplies are protected from damage to the receiver that could occur if a positive ground power source is applied LCD Display The display has four primary windows Pressing the Front Panel Sel button steps through each of these windows If the battery gets low on the transmitters a message will interrupt the display every few seconds and flash a low battery warning After power is turned off and back on again the unit defaults to the main window and to the most recent fre quency audio level transmitter battery type and other user settings These settings are retained even when the power is turned off After five minutes of no key ac tivity the LCD backlight goes off and the display revert
38. p to eight in each group Each press of the UP or DOWN button will step to the next frequency in the group LECTROSONIICS INC e u v allow up to 16 user Selected frequencies to be stored in each group Each press of the UP or DOWN button will step to the next stored frequency in the group Note The Tuning Setup Screen only Selects the tuning mode NORMAL or Group Tuning and not the operating frequency Actual operating frequencies are chosen through the Frequency Screens In Group tuning modes the UP and DOWN buttons navigate among the Selected frequencies in the group 1 When a tuning group is Selected a letter will appear 640 500 next to the hex switch settings Holding the Sel button while pressing the UP or DOWN button will step to the next frequency in 100 kHz steps which will Select a frequency that is not stored in the group In this case the group letter in the display will blink to indicate that the Selected frequency is not included in the group 1 a05 The letter will blink when e46lB90 a frequency outside of the tuning group is Selected When no frequencies are stored in groups U and V the UP and DOWN buttons will function the same as in the NORMAL mode each press moves up or down in 100kHz steps When only one frequency is stored in group U or V the UP and DOWN buttons will not change the frequency In this case hold the Sel button in and then press UP or DOWN to scroll to the desired frequency
39. rate independently on different frequen cies and settings with two different transmitters When this mode is Selected the setup screens will prompt you to Select the receiver to be adjusted The RATIO mode combines the two internal receiv ers to pick up the same transmitter and mix their audio outputs for ratio diversity reception In this mode the setup screens will prompt you for a single value which will automatically be set for both receivers COMPAT The COMPAT setup screen Selects the type of trans mitter used with the receiver The available modes are e HYB is used with Lectrosonics Digital Hybrid trans mitters This is the default setting and should be used if your transmitter supports it This mode offers the best audio quality e 100 for Lectrosonics 100 Series transmitters e 200 for Lectrosonics 200 Series transmitters e IFB for Lectrosonics IFB transmitters e M 3 and M 6 are compatible with certain non Lectrosonics transmitters Contact the factory for details TUNING In addition to the NORMAL mode this screen also allows Selection of one of four factory pre selected frequency groups Groups A through D or two user programmable frequency groups Groups U and V e NOR allows Selection of all 256 frequencies that the receiver will tune Each press of the UP or DOWN button will step in 100 kHz increments to the next frequency a b c d sets the receiver to tune only factory preSelected frequencies u
40. rough the tabs on the receiver flange then align them with the tabs on the adapter Slide the adapter up and tighten the retaining screws to secure it to the receiver flange The four lower screws attach to the camera body SRSNY Adapter Two different types of screws are used to attach the receiver flange and the adapter Thread the smaller thin head screws through the adapter and into the camera body Upper screws with thicker heads secure the receiver to the adapter Lower screws with thinner heads secure the adapter to the camera body Panasonic is a registered trademark of Matsushita Electric Industrial Co Ltd Sony is a registered trademark of Sony Kabushiki Kaisha TA Sony Corporation Rio Rancho NM SRa5P and SRa Dual Receivers Adapters for Stand alone Use SREXT EXTERNAL CONNECTOR PANEL J2 1 t 1 GND NEN NC 4i 2 AUDIO CH 1 42 2 OUTPUT AUDIO CH 2 43 2 OUTPUT rs VCC EXT PWR 44 1 INPUT t 6 18 VDC GND 44 2 Nc s NC 14 sw oO NC SRHARNESS Ideal for use in por table bag systems Two balanced output cables and the power cable are 6 feet long Cut the cables to the desired length and terminate as needed EXTERNAL CABLE HARNESS CONNECTOR PANEL J2 1 SHIELD NC 1 NC 4i 2 AUDIO CH 1 J2 2 OUTPUT CABLE J2 3 ai SHIELD AUDIO CH 2 ess OUTPUT CABLE EXT PWR J4 1 INPUT 4 CABLE ZIP CORD J4
41. s Inc will pay for the cost of returning your equipment to you This warranty 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 WW Y This warranty gives you specific legal rights You may have additional legal rights which vary from state to state DS SW N LECTHROSONICS wf 581 Laser Road NE Rio Rancho NM 87124 USA www lectrosonics com 505 892 4501 800 821 1121 fax 505 892 6243 sales lectrosonics com 5 jun 09
42. s back to the main window SRa5P and SRa Dual Receivers Front Panel Controls and Functions Receiver 1 MENU SELECT Button Receiver 2 DOWN Button POWER BACK Button LCD Main Window with two channels shown Audio Outputs In addition to the audio outputs on the rear panel the front panel of the receiver provides a second set of outputs through a 5 pin connector For cameras with only one audio channel enabled in the slot It allows both audio channels to be connected through externals cables The TA5M connector provides two balanced outputs with the following pinouts LCD Screen A backlit graphics type Liquid Crystal Display is used to set up and monitor the receiver The Main Window shown here is used during normal operation to display HF and audio levels transmitter battery status pilot tone status and diversity activity for both receivers MENU SEL Button This button is used to select menu items and enter setup screens during setup PWR BACK Button Press the PWR BACK switch to turn the power on Press and hold it until the display goes blank to turn power off It also functions as a back button while navi gating the various menus and setup screens to return to the previous screen or menu item The firmware remembers whether the receiver was turned on or off after power is disconnected and it returns to that state when power is restored This allows the receiver to power up and down a
43. s the camera is turned on and off Press the PWR BACK button from the Main Window to briefly display the external power voltage UP DOWN Arrow Buttons The UP and DOWN arrow buttons are used to select various options and adjust values in the setup screens and provide secondary functions such as locking out the panel to guard against accidental changes Rear Panel and Adapters Several different panel adapters are available to config ure the receiver for use with popular camera slots and for stand alone use The adapters are retained by two screws through the side panel of the housing making them easy to install pf Power and audio connections are made through mating connectors on the adapter and receiver main circuit boards LECTROSONIICS INC Camera Slot Adapters SRUNI Adapter kit for Un islot camera slots such as those pro vided on Ikegami and Panasonic cameras Includes bezel hardware and rear panel DB25 connector wired for power and audio connec IS a E E 2 RECEIVER INTERFACE UNISLOT CAMERA CONNECTOR INTERFACE CONNECTOR cado ee ee rM RU 7 y Loc dL J2 2 REC REM J1 2 CH 1 HOT deze das CH 1 COMMON COLD AUDIO CH 1 OUT pa 231 2 4 lt GND 32 5 12V UNREG SES Nc RX ON REMOTE De NC J2 6 NC 7c NC 8c J1 7 NC 9c Ses NC NC J2 10 lt NC J2 11 lt gt NC NC 2 12 lt Ji 10 NC 2 13 a AUDIO CH 1 OUT AUDIO CH 1 GND
44. s used on all channels emulating the original crystal based system In other compatibility modes no pilot tone is used SmartSquelch Any squelching system faces inevitable trade offs squelch too aggressively and valuable audio information may be lost Squelch too little and excessive noise may be heard Respond too rapidly and the audio will sound choppy Respond too sluggishly and syllables or entire words can be cut off SmartSquelch combines several techniques to achieve an optimal balance removing distracting noise without the squelching action itself becoming a distraction One of these techniques involves waiting for a word or syl lable to complete before squelching Another technique incorporates recent squelching history and recent signal strength adjusting squelching behavior dynamically for the most serviceable result under variable conditions Us ing these and other techniques the SRa5P and SRa can deliver acceptable audio quality from otherwise unusable signals Smart Noise Reduction SmartNR 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 The wide dynamic range of digital hybrid technology combined with flat response to 20 kHz makes it pos sible to hear the 120 dBV noise floor in the mic pre amp or the usually greater noise
45. ss systems phase The system also employs opportunistic switch The HF performance is extremely stable over a very ing to analyze and then latch the phase in the best wide temperature range making the receiver perfectly position during brief squelch activity E D di environmental conditions found in Ratio Diversity blends the audio outputs of both receiv a ers in a seamless manner to produce a single audio The front panel features a menu driven LCD interface output A panning circuit blends more signal from the re and four membrane switches used to view and alter set ceiver with the stronger RF signal over a wide RF level tings Audio outputs are provided on the rear panel for range to anticipate and eliminate dropouts long before camera slots or other audio devices and in the case of they occur When a good RF signal is present at both the SRa5P on the front panel through a 5 pin TA Series receivers and the audio is blended equally the signal to connector noise ratio is increased by 3 dB A built in spectrum analyzer scans across the tuning range of the receiver to locate RF signals in the vicinity to simplify finding clear operating frequencies Rio Rancho NM 5 SRa5P and SRa Dual Receivers RF Front End and Mixer Each antenna signal is first passed through a high qual ity SAW filter to reject high power RF signals above and below the operating frequency A high current amplifier follows the SAW filters and passes the signal to an in
46. system typical in 400 mode 95 dB or better overall system 400 Series mode 0 2 typical 400 Series mode 95 dB with full Tx limiting XLR audio output jack External DC input Battery compartment access Min 6 V to max 18 Volts DC 1 4 W 80 mA at 18 VDC 115 mA at 12 VDC 180 mA at 7 2 VDC 200 mA at 6 VDC LCD display with bottle icon and timer readout 40 C to 75 C 25 C to 75 C 195 grams 7 ozs with SRaEXT adapter 2 68 wide x 72 high x 3 52 deep 68 mm x 18 mm x 89 mm E SRa5P and SRa Dual Receivers 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 the interconnect ing cables and then go through the Troubleshooting section in this 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 connec tion send the unit to the factory for repair and service Don t attempt to adjust any controls inside 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 D
47. the previous pages address in system compatibility but obviously do not take into account RF signals from external sources that may be present in the location where the system will be operating Using the scanning process with the RF spectrum analyzer will identify external RF signals but it does not address the compatibility of the Selected frequencies lt is always good practice therefore to go through the following steps to make sure the frequencies that are chosen are compatible within themSelves and also free from external interference 1 Setup the system for testing Place antennas in the position they will be used and connect to the receivers Place transmitters about 3 to 5 feet apart about 25 to 30 feet from the receiver antennas If possible have all other equipment on the set stage or location turned on as well especially any mixing or recording equipment that will be used with the wireless system 2 Setall receivers on clear channels Turn on all receivers but leave the transmitters off Look at the RF level display on each receiver If an indication is present change the frequency to a clear channel where no signal is indicated If a completely clear channel cannot be found set it for the one with the lowest RF level indication Once all receivers on on clear channels go to the next step 3 Turn each transmitter on one at a time Leave the other transmitters turned off Then as you turn on each one look at
48. the matching receiver to verify a strong HF signal is received Then look at the other receivers and see if one of them is also pick ing up the signal Only the matching receiver should indicate a signal Change frequencies on either system slightly until it will pass this test then check again to see that all receivers are still on clear channels as in Step 2 4 Turn each transmitter off one at a time With all transmitters and receivers turned on turn each transmitter off one at a time and look at the RF level indicator on the matching receiver It should fall silent and 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 IMPORTANT Any time a frequency is changed on any of the systems in use you must start at the beginning and go through this procedure again for all systems With a little practice you will be able to do this quickly and save yourself some grief LECTROSONICS INC UHF Digital Hybrid Wireless Troubleshooting Symptom Possible Cause INITIAL POWER ON LCD display not active or lit External power supply disconnected or inadequate Wrong polarity power source The external power input jack requires POSITIVE to be on the center pin Battery gets warm and doesn t work Battery may be low Try fresh batteries Version message shows DSP or COM This indicates an internal error Please contact the factory for assistan
49. tter in use 24 LECTROSONICS INC Specifications and Features Operating Frequencies MHz Block 470 470 100 495 600 Block 19 486 400 511 900 Block 20 512 000 537 500 Block 21 537 600 563 100 Block 22 563 200 588 700 Block 23 588 800 607 900 and 614 100 614 300 Block 24 614 400 639 900 Block 25 640 000 665 500 Block 26 665 600 691 100 Block 27 691 200 716 700 Block 28 716 800 742 300 Block 29 742 400 767 900 Block 944 944 100 951 900 Frequency usage varies by country Frequency Adjustment Range Channel Separation Receiver Type IF Frequencies Frequency Stability Front end bandwidth Sensitivity 20 dB SINAD 60 dB Quieting Single antenna measurement Squelch quieting AM rejection Modulation acceptance Image and spurious rejection Third order intercept Diversity method FM Detector RF spectrum analyzer Rio Rancho NM 25 5 MHz in 100kHz steps 100 kHz Dual conversion superheterodyne Ch 1 243 950 MHz and 250 000 kHz Ch 2 248 450 MHz and 350 000 kHz 0 001 26 MHz 3 dB 2 UV 101 dBm A weighted 4 uV 95 dBm A weighted Greater than 100 dB typical Greater than 60 dB 4 uV to 1 Volt 85 kHz 85 dB 0 dBm SmartDiversity phased antenna combining or Ratio Diversity using both receivers for a single audio channel Digital Pulse Counting Detector operating at 250 and 350 kHz Coarse and fine scanning modes for RF spectrum site surve
50. w will copy the value from Receiver 2 to Receiver 1 The arrow key determines the destination of the value setting UP sets the value on Receiver 1 and DOWN sets the value on Receiver 2 LEVEL aa Hold MENU and _ ee LEVEL 05 EJ press UP arrow 00 E To copy the value from Receiver 1 to Receiver 2 hold the MENU button and then press the DOWN arrow NOTE It does not matter which receiver is selected highlighted Locking and Unlocking the Front Panel Controls The front panel controls can be LOCKED to prevent accidental changes being made during operation and handling Note Whether locked or unlocked the setting persists when the unit is off and even when the power is turned off From the Main Window press and hold the UP and DOWN arrows at the same time and observe the display The current state is displayed as LOCKED or UNLOCKED and numerals appear as a 3 2 1 count down takes place When the countdown is complete the state is reversed and the new state is displayed as LOCKED or UNLOCKED LECTROSONIICS INC UHF Digital Hybrid Wireless Scanning for Clear Frequencies Scan View Window Transmitter Switch Settings for the currently tuned frequency Sr Previously tuned frequency L Dashed line cursor shows the currently tuned frequency RF activity level Spectrum scanning with the receiver itself is the best way to find clear operating frequencies since it w
51. y Antenna inputs Audio outputs connectors Audio output level Audio channel crosstalk Front Panel Controls and Indicators Audio test tone Transmitter battery type Selection Phase invert SmartNR noise reduction Audio Performance overall system Frequency Response THD Signal to Noise Ratio dB Total Harmonic Distortion Input Dynamic Range Rear Panel Controls and features Powering Options external DC Transmitter battery level tracking Operating temperature LCD visible temperature range Weight Dimensions Specifications subject to change without notice UHF Digital Hybrid Wireless SR Two flexible steel fixed whips SRa Two SMA connectors Interchangeable D connector plates nominal 1k ohm unbalanced Dual TA3 male mini XLR balanced output adapter Balanced output adapter with fixed cables e Front panel TASM with two balanced outputs Adjustable 50 to 5 dBu in 1 dB steps unbalanced output is 6 dB lower 80 dB or better Sealed panel with membrane switches LCD monitors pilot tone antenna phase receiver battery level transmitter battery Status audio level RF level 1 kHz 50 dBu to 5 dBu output bal 1 THD 9V alkaline 9V lithium AA alkaline AA lithium NiMH Audio output phase normal or inverted OFF NORMAL FULL modes available in 400 Series mode only These specs apply to hybrid mode only 32 Hz to 20 kHz 1dB 0 396
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