Tektronix VX4101A Drums User Manual
Contents
1. Increase transmitter audio gain setting Distorted audio signal Transmitter audio level too high overloading transmitter circuit Decrease transmitter audio gain set ting Receiver audio set too high 1 4 6 4mm output Decrease receiver audio level setting Battery level low in transmitter Insert fresh battery in transmitter Interference Short range or drop outs Another wireless product in the immediate area operating on the same frequency or on a fre quency that mixes with another RF signal such as a TV broad cast transmitter Change operating frequency If inter ference is weak keep transmitter on at all times to override interfering sig nal whenever receiver is on Receiver placed too close to a digital signal processor or simi lar device Move receiver to a different location Strong electromagnetic field from stage lighting or other source near the transmitter or re ceiver which may be producing RF noise on or near the operat ing frequency RF reflective metal obstacles between transmitter amp receiver Change operating frequency Repair or remove source of interference Move receiver to a different location Move the obstacles or reposition the receiver Poorly oriented beltpack an tenna Reorient bodypack so that antenna is ositioned vertical up and down and acing receiver if possible Faulty receiving antenna system Reposition antennas2. about 1 8 turn Note Operate with the transmitter audio gain set as high as possi ble without distortion for the best signal to noise ratio Test performance Check to see that the RF meter on the FMR 10 receiver is illuminated an indication that the receiver is picking up the signal Then walk the intended area of use and make sure that there are no barriers to reception or sources of in terference If problems are encountered see Troubleshooting Guide 12 3 3 Bodypack Transmitter Setup 1 Insert battery Open the hinged battery compartment by placing your thumb or finger on the indent labeled OPEN on the battery door and pushing down see Figure 11 When inserting the bat tery pay attention to the polarity and insert the terminals into the battery compartment first Close the battery door by slid ing the door shut Set the transmitter channel to match the channel setting on the receiver The channel switch on the bodypack is located just un derneath the battery door and to the right of the indent labeled OPEN Note the channel number label 0 9 surrounding the opening The bodypack channel must be set to the same number as the receiver channel which is displayed on the receiver front panel The channel setting is determined by which number the arrowed slot is pointing to Use a small screwdriver supplied to change the channel setting BELT CLIP MAY BE TURNED 90 DEGREES BY REMOVING SCREW AND REINST
3. display starts to flash about 3 seconds This activates ClearScan to find an interference free channel for operation Note the channel 0 9 shown on the receiver front panel channel display Connect receiver audio output to mixer or amplifier Mute or re duce mixer gain Transmitter Setup 1 Open battery compartment install 9 Volt battery Make sure to observe proper battery polarity Adjust channel setting to match channel number shown on re ceiver channel display Replace battery cover If using bodypack transmitter plug the microphone into the trans mitter connector Operating the System l Turn transmitter ON via the ON OFF switch After a few sec onds the yellow Tx On light should illuminate on the receiver front panel Turn audio switch to the ON position to the audio Set mixer amp gain to normal position Talk sing into the microphone at a normal volume You should hear audio coming out of the system If the signal is distorted turn the gain adjust control on the trans mitter down If the signal level is low you may need to turn the gain adjust control up 2 System Description The Telex FMR 10 Wireless is a series of 10 channel frequency agile UHF wireless systems that combine Telex s legendary quality and reliability with high value The transmitters and receivers operate in the UHF frequency range The well designed audio circuitry ensures excellent signal to noise ratio with accu
4. Rear View 3 Connect the power supply cord to the receiver Plug the power supply into an AC outlet Confirm that the receiver is ON by checking for the lighted channel display and diversity led s on the front panel NOTE Upon power up the receiver will return to the channel it was set to when it was turned off CAUTION Please make sure that the AC adapter is the cor rect voltage for your local requirements ClearScan FMR 10 Wireless system features ClearScan M ClearScan automates the process of finding a clear channel to use in setup of your FMR 10 Wireless system To use ClearScan depress and hold down the set button for 3 sec onds When the channel display begins flashing release the set button The receiver is now searching for a clear frequency by measuring the RF energy present on each channel The entire pro cess will take about 5 seconds While scanning the channel dis play will show the channel number being scanned When ClearScan is complete the display will stop flashing and it will display the number of the channel recommended for use NOTE If using more than one FMR 10 system set up ONE sys tem at a time Turn on the transmitter for the first system before using ClearScan to set up the second Please see the Guide line Recommendations for best performance section of the FMR 10 User s Guide to set up more than two systems Setting the Channel Changing the channel on the receiver can
5. also be done manually By momentarily depressing the set but ton the channel number is increased by one NOTE when the system is turned off the channel number is saved in non volatile memory When the receiver is turned on it will return to the same channel number Channel Change Lock out Once the channel has been set on the receiver the FMR 10 system has the capability to deactivate or lock out the channel change button This is done by depressing the set button for 10 seconds or more Lock out is active when the decimal point illuminates in the lower right corner of the channel display This will defeat the set button To override or defeat the lockout function again depress the set button for 10 seconds This will reactivate the channel set button to work normally This function can be useful where unauthorized personnel have access to the receiver NOTE If the system is in lock out ClearScan will not function Make sure the gain setting is muted or turned down on the mixer or amp channel you will connect the wireless system to Plug the audio cable not supplied into the output connector NOTE The 3 pin XLR type connector output level is fixed and cannot be adjusted Now refer to details located in the FMR 10 User s Guide on how to set up the transmitter Once the Transmitter has been set up and turned on 9 10 11 Speak or sing loudly into the microphone and observe the Audio level meter on
6. or receiver 19 6 FMR 10 Wireless Series System Technical Specifications UHF Receivers FMR 10 Receiver Receiver Type Synthesized PLL Frequency Range RF Selected Frequencies between 710 866 MHz depending on Country of Operation Number of Selectable Channels 10 Diversity True Diversity with Secure Phase RF Sensitivity lt 8 uV for 12 dB SINAD Audio Output Frequency Response 50 15 KHz 2 dB Audio Output Balanced XLR 20 dBV 600 Ohm Load Audio Output Unbalanced 1 4 7 6 4mm NRU only adjustable 8 mv to 0 775 V RMS 100 K ohm load Distortion THD Less than 0 596 Signal to Noise Ratio 294 dB Dynamic Range 100 dB UHF Transmitters WT 10 and HT 10D RF Frequency Range Selected Frequencies between 710 866 MHz depending on Country of Operation Number of Selectable Channels 10 Radiated RF Output 10 15 mW typical Microphone Element HT 100 handheld EV N D 767a cardioid N DYM dynamic TA4F Connector Wiring Pin 1 Ground Pin 2 Mic Input Pin 3 5 volt bias Pin 4 5 volt bias fed through a 3 K ohm resistor for 2 wire electrets Audio Gain Adjustment Range 40 dB beltpacks 26 dB handhelds Battery Life 8 10 hours with 9 Volt alkaline Bodypack Antenna flexible external 1 4 wave Handheld Mic Antenna internal 1 2 wave Size Handheld transmitter 10 13 in 257mm long Size Bodypack transmitter HxWxD 4 5 in 114mm x 2 6 in 66mm x 1 3 in
7. the receiver Adjust the gain control on the trans mitter to prevent over or under modulation The gain should be adjusted so that the signal peaks no more than 1OdB and that there is at least 20dB or audio level meter indication Walk the expected area of use to check for dropouts or interfer ence To minimize the potential for dropouts or interference please observe good antenna placement When the transmitter is turned on the RF meter on the receiver should be illuminated in the green range to verify it is receiving a strong signal Adjust the squelch control if necessary The squelch control on the back of the receiver may be adjusted to effectively increase range or to reduce interference The factory setting is at a mid point which should be suitable for most situations To effectively increase range turn the control counter clockwise until you hear noise or interference then turn the squelch clockwise until the noise is muted To reduce interference turn the control clock wise NOTE If the squelch is being adjusted the transmitter should be turned off CAUTION Increasing the range will make the system more susceptible to outside interference Reducing interference will also effectively decrease the range which will make the system more susceptible to dropouts 6 3 1 1 Rack Mount Installation The FMR 10 is supplied with rack mounts for single and double mount ing in a standard EIA 19 483mm equi
8. 32mm no antenna 20 FCC INFORMATION The TELEX Receiver FMR 10 is authorized under Part 15 of the Federal Communication Commission The Telex WT 10 and HT 10D Transmitters are type Ac cepted under United States Federal Communications Com mission Part 74 Licensing of Telex equipment is the user s responsibility and licensability depends upon the user s classification user s application and frequency selected Telex strongly urges the user to contact the appropriate telecommunica tions authority for any desired clarification CAUTION Any changes or modifications made to the above equipment could void the user s authority to operate the equipment 21 ACCESSORIES AND REPLACEMENT PARTS Order No 450131 63850006 63850007 64277000 57013001 70925001 70928001 57013001 450124 870343 71081001 71081002 730139 730140 730103 71253000 879010 71147000 870658 5 870658 6 71138000 71151025 71151050 71151075 71151100 Description Plastic belt clip for bodypack WLM 50 tie clip horizontal WLM 50 tie clip vertical WLM 50 omnidirectional lapel microphone WLM 50 foam windscreen ELM 22 MicroMini omnidirectional lapel mic ELM 22 mic clip ELM 22 foam windscreen Spring adjusted handheld mic stand adapter Deluxe handheld mic stand adapter Rack mount kit Single Rack mount kit Double 120 volt power supply US Canada type 230 volt power supply EURO type 230 volt power supply UK typ
9. ALLING GAIN HERE ADJUSTMENT CHANNEL SWITCH DOOR OPENED BUT NOT SWUNG UPWARD e SWING DOOR UPWARD TO ACCESS BATTERY COMPARTMENT ENS ee TO OPEN BATTERY DOOR PRESS ARROW WITH INDEX 5 FINGER AND PULL DOWN WITH THUMB AND MIDDLE FINGER Figure 11 Channel Switch 14 Turn on the transmitter by sliding the power switch to its on po sition Check the condition of the battery by watching the light below the power switch The red battery light should flash once and then go out If the light stays on the battery is weak and should be replaced MIC CABLE POWER AUDIO ENTRY ANTENNA SWITCH SWITCH POWER HO AUDIO F F zo o BATTERY LIGHT Figure 12 Verify reception When the transmitter is turned on FMR 10 the RF meter will illuminate indicating that the receiver is pick ing up the signal If this does not happen make sure that the trans mitter and receiver are set to the same channels Connect the audio source If using a lavalier or headworn mi crophone insert the connector on the end of the mic wire into the connector the bodypack If using a lavalier mic use the clip to attach the mic to the users clothing If using the headworn mic place the headset on the user s head positioning the mic at the corner of their mouth Note Keep the audi
10. Telex Operating Instructions FMR 10 SERIES WIRELESS USER GUIDE T ELE X Table of Contents Section Page 1 Quick System Setup Guide 1 2 System Description 3 3 Detailed system component setup instructions 4 3 1 FMR 10 Receiver Setup and Operation 4 3 1 1 Rack Mount Installation 7 3 1 2 Antenna Placement 9 3 2 Handheld Transmitter Setup 11 3 3 Bodypack Transmitter Setup 13 4 Guidelines Recommendations for Best Performance 16 5 Troubleshooting Guide 18 6 Technical Specifications 19 FEC Information 4 42 22 o S eoa Se sss 20 Accessories and Replacement 21 1 Quick System Setup Guide Receiver Setup 1 Plug power supply cord into the back of the receiver and plug the power supply into an outlet The channel display amp red green Diversity light on the receiver front panel should light up Attach the supplied 1 4 wave antenna s to the FMR 10 receiver Orient the receive antennas angled up and away from each other at a 90 degree angle For specific receiver setup information re fer to section 3 1 for FMR 10 receiver Assure that your trans mitter s are turned OFF Depress SET button on front panel and release when channel
11. arScan ClearScan is most useful for finding operating frequencies for situ ations where no more than 2 systems will be used simultaneously When setting up more than 2 systems use ClearScan to choose the first channel of operation Set up subsequent systems following the channel groupings listed above in the Using Multiple Wireless Sys tems section Potential Sources of Interference There are many potential sources of interference for your wireless system Any electronic product that contains digital circuitry includ ing digital signal processors reverb multi effects units electronic keyboards digital lighting controllers CD players and computers all emit RF energy that can adversely affect the performance of your wireless system It is always best to place your receiver as far away from these devices as possible to minimize this potential source of problems 17 Battery Recommendations Fresh 9 volt alkaline batteries from a quality manufacturer will yield the best performance from your FMR 10 transmitters Rechargeable 8 4 volt Ni cad batteries can be used but will yield much shorter op erational time When the transmitter switch is turned on the red battery light will flash once if the battery is good If the light does not flash or stays lit continuously the battery is weak or dead If the light comes on during use the battery is weakening and should be replaced as soon as possi ble If sound quality
12. as are remote mounted and can pro vide better performance when used with the rack mount If antennas are remote mounted separating them 6 feet 1 8m or more and keeping them at least 2 feet 6m from other barriers will improve performance see Figure 8 If you are remote mounting the antennas and require strong signal over a large area consider using highly directional antennas such as a log periodic The ALP 450 available from Telex is tuned for frequencies from 450 900 MHz and can provide an additional 5 dB of gain 3 Ifyou remote mount the antennas attention should be paid to the type and quality of the antenna cable For cable runs longer than 25 ft 7 6m special low loss cables should be used 6 FT 2 METERS MINIMUM MICROPHONE STAND i DISTANCE 2 FT 60 CM MINIMUM H DISTANCE uum lt sp v DC E cn m 20 B yes 5 0 BRACKET SHOULD BE AT TOP OF MOUNTING SURFACE dud as ae i SIDE IZ A MOUNTING rn Figure 7 Figure 8 4 If multiple wireless systems are being used a multi coupler will minimize antenna interference A multi coupler has one set of an tennas and distributes RF signal to multiple systems The Telex will supply antenna signal and DC power to 4 systems eliminat ing 3 external power supplies and 6 antennas 10 3 2 Handh
13. degrades during use it may be the result of a weaken ing battery Receiver and Antenna Placement Do not place the receiver near a large metal object or surface Locate the receiver as close as possible to the area where the Trans mitter user will be working Ideally position the receiver so that the transmitter is within site of the receiver When using multiple systems do not allow antennas to cross or touch each other 18 5 Troubleshooting Guide Problem Possible Causes Solutions No audio amp no lights on receiver Receiver is off Make sure that power supply is prop erly connected and providing power to the receiver No audio amp no Tx ON light on receiver Transmitter is off Turn on transmitter power switch No or dead battery in transmitter Insert fresh battery in transmitter Faulty battery contacts in transmitter Clean contacts No audio Low audio signal Transmitter audio switch is off signal is muted Turn on transmitter audio switch Receiver audio cable is dam aged or disconnected Connect repair or replace cable Gain not sufficient on mixer preamp amp input Gain set too low or muted on mixer preamp amplifier Increase mixer preamp amplifier gain setting Increase ain setting on mixer preamp amplifier Receiver audio too low 1 4 6 4mm output Increase receiver audio volume setting Transmitter audio level too low
14. e UAD 2 Antenna power distribution system supplies 4 units 600 780 MHz 1 4 wave antenna with connector 668 746 MHz ALP 450 Directional log periodic antenna 450 900 MHz 1 2 wave antenna with TNC connector 690 725 MHz 1 2 wave antenna with TNC connector 725 760 MHz Universal bracket for 1 2 wave antenna with 10 ft 3 05m coax cable 25 ft 7 62m coax cable with TNC connectors 50 ft 15 24m coax cable with TNC connectors 75 ft 22 86m coax cable with TNC connectors 100 ft 30 48m coax cable with TNC connectors 22 Telex Communications Inc 12000 Portland Ave South Burnsville MN 55337 952 884 4051 800 828 6107 Fax 952 887 9212 PN 803341 May 2001
15. eld Transmitter Setup l Insert battery Slide open the hinged battery compartment cover by placing your thumb on the indents of the battery door at the bottom of the transmitter and gently pushing down see Figure 9 Insert the battery terminal end first into the compartment with the smaller positive terminal to the right SLIDE BATTERY DOOR BACK GAIN ADJUST I o SWING DOOR UPWARD SWITCH POWER MIC 522 SWITCH SWITCH Figure 9 Figure 10 2 Set handheld transmitter channel to match the channel setting on the receiver channel number displayed on front of receiver panel The channel setting on the handheld transmitter is ac cessed through the round opening on the side of the mic housing Numbers 0 9 are printed around the opening The channel set ting is determined by which number the arrowed slot is pointing to Use a small screwdriver supplied to change the channel set ting See Figure 10 Turn on the transmitter by sliding the power switch closest to the battery compartment forward to the ON position toward the windscreen The red battery condition light should flash once and then go out If the red light stays on or illuminates during a performance the battery should be replaced immediately The green light will stay lit when the handheld transmitter is on Note Remember to turn the transmitter OFF
16. k of the receiver Place the assembly into the rack enclosure and insert 4 10 32 x 3 8 Phillips pan head screws supplied in each corner of the rack ears and secure to the enclosure Some rack enclosures require metric screws which are not supplied Figure 4 3 1 2 Antenna Placement For any wireless system to perform correctly strong RF signals are mandatory To maximize signal strength good antenna placement must be utilized Although some situations prohibit perfect antenna placement here are some guidelines R The antennas should be placed in a location with a clear signal path to the transmitter Walls ceilings metal objects equipment racks etc are all signal barriers that will reduce range and perfor mance Generally speaking placing the receiver at an elevated lo cation can help increase range and signal strength SSS Figure 5 1 2 Wave antenna for Remote Mounting WE Figure 6 2 If the receiver is rack mounted external antennas are neces sary Do not rack mount the FMR 10 with the antennas mounted directly on the back of the unit This will severely decrease the range and performance of the system If the FMR 10 is rack mounted make sure the antennas are front mounted following the directions noted above If anten nas are mounted remotely from the chassis the 1 4 wave anten nas supplied with the receiver cannot be used 1 2 wave antennas are a necessity if the antenn
17. o muted while plugging in and adjusting the microphone or source Placement of lavalier and headworn microphones will noticeably change the sound quality so some testing with the useris necessary An important point to remember the closer to the sound source the stronger or louder the signal Unmute the audio by sliding the large AUDIO switch located on the bodypack to the ON position Speak or sing into the microphone and you should hear your voice through the PA sound system Listen carefully to the audio and be sensitive of overload distor tion and low gain 4 8 10 Adjust the transmit gain if necessary Gently insert the pro vided screwdriver or other 3 32 in 2 4mm screwdriver into the gain adjustment located at the top edge of the battery compart ment under the door see Figure 11 The door has to be opened but not swung upward to make adjustments Turn lightly until the screwdriver tip drops into the slot on the level control Gently turn the control counterclockwise until the control stops the audio output is attenuated but not off Slowly turn the audio level control clockwise while listening to audio if the audio becomes distorted turn the mic level control counter clockwise about 1 8 turn Test performance Check to see that the RF meter on the FMR 10 receiver is illuminated an indication that the receiver is picking up the signal Then walk the intended area of use and make sure that there are no ba
18. pment rack see Figure 3 For rack mounting a single unit a long and short ear are used For dual side by side mounting use the short ears and the mid sized brackets from two FMR 10 as shown To assemble the rack mount adapters to the unit s and install into a rack proceed as follows 1 Remove the front Phillips head screws from each side of each unit 2 Align the correct rack ear or bracket with the holes on the side of the unit Install the previously removed screws Insert an addi tional screw provided in the parts pack into the remaining hole Repeat this step for the opposite side of the unit Be sure to tighten all screws securely For double mounting of two systems proceed as follows 1 Align the mid sized brackets Item 2 with the holes on the adja cent sides of each unit REMOVE SCREWS TYPICAL 4 SIDES 4 TYPICAL ALL SIDES Figure 3 Rack Mount Installation 7 Install the previously removed screws Insert an additional screw provided in the parts pack into the remaining holes Tighten all screws securely Place the two assemblies side by side with the mid brackets to gether The left bracket should fit above the right so that the countersinks are visible Install 4 flat head screws Item 5 and tighten them securely Attach the antenna connectors to the brackets Attach the supplied extension cables from the rack connectors to the antenna connections on the bac
19. rate sound quality System Features 10 Channel Frequency Agile system operation e Featuring ClearScan which makes for quick and easy system setup e Handheld transmitters feature Electro Voice N DYM mic ele ments for superior sound quality True diversity system with Posi Phase insures maximum range and freedom from interference e Well designed companding and audio circuitry insures high sig nal to noise ratio and excellent sound quality e Receivers may be rack mounted with included hardware e FMR 10 output via 3 pin XLR type balanced mic level connector 3 Detailed Setup Instructions 3 1 FMR 10 Receiver Setup amp Operation 1 Place the receiver where there is a clear line of sight to the area where the transmitter will be used 2 Attach either the supplied 1 4 wave antennas or two remotely mounted antennas to the antenna connectors on the rear panel of the FMR 10 Be sure and tighten the connectors securely If the supplied 1 4 wave antennas are used they must be oriented at a 909 angle as shown in Figure 2 Unlike other diversity wireless systems two antennas are required for the FMR 10 to operate correctly Telex FMR 10 CLEAR SCAN LOCK OUT INDICATOR Figure 1 FMR 10 Front View 4 A L T I AUDIO METER BALANCED POWER SQUELCH JACK CONTROL Figure2 FMR 10
20. rriers to reception or sources of in terference If problems are encountered see Troubleshooting Guide Clip the bodypack to the user s belt or pocket The bodypack can be positioned horizontally or vertically by moving the belt clip attachment This is done by removing the belt clip attachment screw rotating the clip to the desired position and replacing the Screw 15 4 Guidelines Recommendations for Best Performance Compatibility The receiver and transmitter must be set to the same channel to oper ate together Using Multiple Wireless Systems If two or more FMR 10 Wireless and or other VHF UHF wireless systems are being used in the same location proper frequency coordi nation is necessary to avoid interference The following FMR 10 System channels will work together FMR 10 FREQUENCIES Compatible Channel Compatible Systems Operating TV Channel Systems within Number within Low Band Frequency Channel Number High amp Low Band e 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 HIGH BAND Channel Compatible Systems Operating TV Channel Number within High Band Frequency Channel Number e Q N CO IN Q N Contact your dealer or Telex for assistance if you are planning to add more wireless systems to be operated simultaneously in the same location 16 Multiple System Setup amp Cle
21. when not in use This will conserve battery life 11 Verify Reception When the transmitter is turned on FMR 10 the RF meter will illuminate indicating that the receiver is pick ing up the signal If this does not happen make sure that the trans mitter and receiver are set to the same channels Unmute the audio by sliding the audio switch immediately be low the mic element towards the windscreen Speak or sing into the microphone and you should hear your voice through the PA sound system Adjustment of the transmitter audio gain if necessary The transmitter audio gain is set to a mid level which should be suit able for most situations However for loud or soft speakers or singers an adjustment may be necessary First speak or sing into the microphone and listen closely If the gain is too high you will hear distortion and if the gain is too low the signal will below In either situation an adjustment may be necessary To adjust the transmitter gain gently insert the provided screw driver or other 3 32 in 2 4mm screwdriver into the hole near the head of the transmitter see Figure 12 Turn lightly until the screwdriver tip drops into the slot in the level control Gently turn counterclockwise until the control stops the mic output is attenu ated but not off Slowly turn the mic level control up while lis tening to the audio If the audio becomes distorted turn the mic level control down counter clockwise
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