IFBR1a Manual - Lectrosonics.com
Contents
1. Figure 5 Battery Replacement Troubleshooting Symptom Possible Cause LED NOT LIT Battery not installed or depleted Power switch not on NO SOUND IN HEADPHONE AUDIO LEVEL turned all the way down Headphone plug not inserted fully Defective headphone Transmitter not operating See separate transmitter manual Receiver not on the same frequency as the transmitter Refer to Programming Add a New Frequency on page 6 DISTORTED SOUND Transmitter gain audio level is far too high Check mod level lamps on transmitter as it is being used Refer to Operating Instructions section in the transmitter manual for details on gain adjustment Receiver output may be mismatched with the headset or earphone Adjust Audio Level on receiver to the correct level for the headset or earphone Excessive wind noise or breath pops Reposition microphone and or use a larger windscreen Receiver may be tuned to an intermod Reprogram the receiver HISS AND NOISE AUDIBLE DROPOUTS Transmitter gain audio level far too low Receiver antenna missing or obstructed Headphone cable is the antenna Transmitter antenna missing or obstructed Operating range too great Transmitter antenna obstructed Receiver antenna headset cord may need to be repositioned for a line of sight to transmitter antenna SHORT RANGE e Receiver earphone cable is also the antenna Make sure the cable is2. 100n LEVEL PLUG Open STEREO PLUG Closed y Battery ep RO Regulator Figure 4 R1a Block Diagram Rio Rancho NM 5 Receiver Normal Operation already programmed 1 Set the Frequency of the receiver to match the frequency of the transmitter by using the two HEX rotary switches located on the side of the receiver under the sliding door The 1 6M switch is for coarse adjustment 1 6 MHz per click and the 100k switch is for fine adjustment 0 1 MHz per click Setting both to zero 0 0 is the low frequen cy end of the block and setting both to F F F is the highest frequency end of the block NOTE Block 944 covers a special frequency range starting at 0 0 for 944 100 MHz through 4 E for 951 900 MHz for this limited band Plug an earphone or headset into the 3 5mm jack Be sure the unit has a good battery Rotate the knob clockwise to switch the power ON Do NOT hold the knob in while switching power ON The LED will illuminate Rotate the knob to set the desired audio level If channel frequencies have been stored in the memory change channels by pressing the knob briefly and release The LED will blink the next channel number frequency and the receiver will resume operation on that channel If no channel frequencies have been stored when pressing the knob to change channels the LED will flash from green
3. 20 kHz FM deviation for efficient use of the bandwidth and a single band com pandor for clean quiet audio The Pilot Tone squelch locks the reception to the matching trans mitter and ignores other signals to keep the receiver quiet when the transmitter is turned off The receiver oper ates on one 9 Volt alkaline or LiPoly mer rechargeable battery for up to 8 hours and features a tricolor LED low battery indicator The voltages are inter nally regulated for stability M T cu id The H1a includes a leather pouch with belt clip to help protect the receiver and provide a way to secure it during use The receiver is housed in a compact rugged light weight aluminum enclosure The unit features a durable removable belt clip and an integral rotating battery compartment door Control Knob fig 1 The single front panel control knob performs multiple functions 1 Rotate for Power ON OFF 2 Rotate for Audio Level 3 Push quick Channel Switching Also see page 9 for special knob setup 4 Push and rotate for Scan and Channel programming Refer to the RECEIVER OPERATING INSTRUCTIONS for full details on how to use the single knob control for channel selection scanning and programming of the five memory locations Ria IFB RECEIVER Figure 1 R1a Control Panel LED Indicator fig 1 The three color LED indicator on the front panel pro vides multiple functions CHANNEL NUMBER
4. 563 100 588 700 607 900 and 614 100 614 300 639 900 665 500 691 100 716 700 export only 742 300 export only 767 900 export only 951 900 256 per block 79 in block 944 100 kHz Crystal Controlled Phase Locked Loop 1 uv 20 dB SINAD 95 dB A weighted 90 dB 50 dB 10 uv to 100 mv 20 kHz Greater than 70 dB 0 dBm 100 Hz to 10 KHz 1db 29 997 kHz 4 5 kHz deviation fixed crystal controlled 1 Vrms into 50 ohms minimum Headphone cable 25 6 Ohms 5 frequencies Single knob controls Audio Output Level Power on programming and Scan Frequency Selection 1tricolor LED Indicator for power on blinks to indicate channel number blinks fast during scan and turns yellow or red for low battery 9V alkaline battery lasts about 8 hours 9V lithium battery lasts about 20 hours 60 ma 0 035 Lectro part number 35854 7 3 oz with battery 3 6 x 24 x 0 8 inches Specifications subject to change without notice 10 FCC Notice NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pur suant to Part 15 of the FCC Rules These limits are de signed to provide reasonable protection against harmful interference in a residential installation The equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that inte
5. Lectrosonics R1a receiver along with the compan ion T1 or T4 transmitter allow on air talent to monitor program audio and to receive cues from directors and other production personnel The housing is a rugged machined aluminum package designed to survive abusive environments Only the R1a IFB receiver is covered in this manual Transmitters are covered in separate manuals The Ria will also work with later models of Digital Hy brid Wireless transmitters in the same frequency block Check with the factory regarding compatibility with the firmware in your transmitter LECTROSONICS INC IFB Receiver Table of Contents NOS E ELLE G 2 iitpon air M 3 Table of p 3 General Technical mcunum 4 guilt 4 respiro M C aolo 4 LED Indicator fig 4 Headphone Jack fig 1 amp fig 2 5 Mono Plug Stereo Plug resins
6. The LED will blink OFF a number of times corresponding to the Channel Number when the unit is switched ON and also when a new fre quency is added to an open channel For example for channel 3 the LED would blink OFF three times After blinking the channel number the LED will return to a steady ON indicating normal operation BATTERY STATUS During normal operation when the LED is GREEN the battery is good When the LED is YELLOW the battery is getting low When the LED is RED the battery is nearly depleted and should be replaced PROGRAMMING FUNCTIONS In the program ming mode the LED will blink at a fast rate to indicate scanning for an active frequency It also flashes briefly to indicate a frequency has been programmed into a channel LECTROSONICS INC IFB Receiver Headphone Jack fig 1 amp fig 2 On the front panel is a 3 5mm mini phone jack to ac commodate a standard mono or stereo type 3 5 mm plug The unit will drive low or high impedance ear phones The jack is also the receiver antenna input with the earphone cord acting as the antenna The cord length is not critical but must be at least 6 inches minimum Strain relief to avoid accidental disconnection can be provided with the included small hook and loop strip Attach the adhesive strip side to the side of the receiver with the opening end of the strip up place the cord in the strip and secure Mono Plug Stereo Plug Usage A Mono plug or a S
7. et ennt ates etnn senes nnn st tenti reset n enne 5 ate o LOVE MMC TD 5 Frequency AdjUSt UE UE 5 Receiver Normal Operation P 6 Add a New Frequency to The Next Open nri e tenen enne nennen nennen 6 Erase All 5 Channel MeMories E 7 Multiple Transmitter Rm 7 Battery Instructions Bop Replacement Parts and 9 Defeating the Frequency amp Mode nnne nnne nnne nennt nennen nnne innen tnter tes etnnee test EA set n rires tnn enne 8 Specifications and Features e 10 UHF Transmitter Antenna Specifications 10 Service Re Par e 11 Returning Units for Repair 11 Rio Rancho NM General Technical Description The IFBR1 was upgraded to the IFBR1a by
8. is usually the best way to ship the units Heavy units should be double boxed for safe transport D We also strongly recommend that you insure the equipment since we cannot be responsible for loss of or 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 Rio Rancho NM 87174 USA Web www lectrosonics com Lectrosonics Canada Mailing Address 720 Spadina Avenue Suite 600 Toronto Ontario M5S 2T9 Rio Rancho NM Shipping address Lectrosonics Inc 581 Laser Rd Rio Rancho NM 87124 USA E mail sales 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 44 LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer This warranty does not cover equipment which has been abused or damaged by careless handling or shipping This warranty does not apply to used or demonstrator equipment Should any defect develop Lectrosonics Inc will at our option repair or replace any defective parts without charge for either parts or labor If Lectrosonics Inc ca
9. mode simply terminates that mode and returns the unit to normal operating mode when the power is switched back to ON Note If knob does not change frequencies or begin scanning when pressed check to see if its function has been changed see instructions on page 9 LECTROSONICS INC IFB Receiver Battery Instructions Erase All 5 Channel Memories The battery you use in the R1a receiver should be a 9 1 With power OFF depress the knob and turn the unit ON Continue to hold the knob down until the LED starts rapidly blinking The memory is now erased and the unit will go into scan search mode 2 Continue from step 3 above Add New Frequency Multiple Transmitter Setup When using this IFB receiver in a search mode with two or more transmitters running at the same time the receiver may stop on a false signal under the following conditions Two transmitters are on and transmitting e distance from the transmitters to the IFB re ceiver is less than 5 feet The false hits are caused by intermodulation or mixing in the front end of the IFB receiver At a 5 to 10 foot distance the two carriers are so strong at the receiver that even this well designed front end will mix the carri ers and produce phantom frequencies The IFB receiver then halts its scan and stops on these false frequencies All receivers will exhibit this type problem at some trans mitter power level and range You notice false signa
10. not coiled or wound up or wrapped around the receiver case KNOB DOES NOT CHANGE FREQUENCIES NOR START SCANNING e Check to see if the knob function has been changed see page 9 8 LECTROSONICS INC IFB Receiver Replacement Parts and Accessories BEZELKITR1A full kit Belt clip bezel sliding door belt clip bumper mounting screws Individual Parts 26377 1 Bezel 25901 Sliding door IFBR1 MOOOR Belt clip assembly 35747 Bumper for belt clip 28528 Belt Clip Screw 4 40 x 1 4 1 req d 28623 Bezel Screw 2 56 x 5 16 2 req d PRIA Leather Pouch w belt clip Knob Guard and related parts 35854 Hex key wrench 28767 Spring washer 26298 1 Knob guard 28443 Spacer washer 26297 1 Knurled knob 28764 Set screws 2 req d Defeating the Frequency amp Mode Switch In some instances it may be beneficial to alter the knob setup so that the frequency change and mode functions are disabled A common reason is to prevent the person wearing the receiver from accidentally pushing the but ton and disrupting the received signal Use the following procedure to disable the knob 1 Use the allen wrench to loosen the set screw on the knob 2 Remove knob from shaft 3 Remove spacer washer Part no 28443 from hole in knob Use caution the washer is small and may fall out 4 Replace knob making sure to slide the knob all the way onto the shaft 5 Tighten the set screw The knob will be prevented from bei
11. to red to yellow to green indicating no stored channels and the unit will resume operation on the channel set by the switches Whenever the power is switched ON the unit de faults to the frequency set by the switches Add a New Frequency to The Next Open Channel Before operating a receiver one or more IFB T1 or T4 transmitters must be placed in XMIT mode with each transmitter set to the desired frequency and connected to a proper antenna audio source and power source The transmitter frequency block must be the same as the receiver frequency block as marked on each unit 1 2 Position the receiver at a location within 20 to 100 feet of the transmitter or transmitters With the power ON depress the knob until the LED starts rapidly blinking then release the knob The unit goes into program mode and does a scan search Previously programmed frequencies will be automatically skipped When the unit stops on a new frequency audio from the transmitter will be heard in the earphone and the LED will stop blink ing rapidly and will change to a slow blink mode The unit is now waiting for an operator decision You must now decide to either SKIP or STORE the frequency step 4 or 5 below Switching the power 10 11 to OFF without storing will delete the frequency To SKIP the frequency depress the knob briefly and the scan search will resume To STORE the frequency into a channel memory depress the knob and ho
12. INSTRUCTION MANUAL Ria UHF Multi Frequency Belt Pack IFB Receiver Ria IFB RECEIVER lt Serial Number Rio Rancho NM USA www lectrosonics com LECTROSONICS uti Purchase Date Safety Notes Introduction A Excessive sound levels can cause permanent hearing damage 1 Always adjust the volume to the lowest level before listening to unknown transmissions 2 Use the lowest reasonable level consistent with hearing safety 3 Don t use high sound levels in the earphone to overcome high ambient sound levels That is absolutely foolish Demand and use high isolation earphones 4 Don t expose your ears to sound levels that cause them to ring If your ears do ring after exposure think of it as a warning bell telling you not to do that again OSHA Occupational Safety Health Administration guidelines on the maximum allowable time exposure to sound pressure levels that will cause hearing damage are as follows 8hours at 90 dB SPL 4hours at 95 dB SPL 2hours at 100 db SPL 1hour at 105 dB SPL 30 mins at 110 dB SPL 15 mins at 115 dB SPL NEVER expose your ears to 120 dB SPL or higher Damage will occur Thank you for selecting the Lectrosonics frequency agile R1a IFB receiver The design is the result of extensive engineering experience with the most up to date components for demanding professional applica tions The receiver will operate with any Lectrosonics IFB Transmitter The
13. adding a number of important and useful features 1 Two rotary HEX switches to manually set the operating frequency 2 Automatic sensing control of a mono phone plug to eliminate the mono binaural switch and 3 A multi color LED for battery status The Frequency scan and memory features were retained Features The frequency agile IFB Ria FM Receiver is designed to operate with the Lectrosonics IFB transmitters and compatible Digital Hybrid transmitters Microproces sor control of frequencies within each frequency block provides the ability to work around interference prob lems quickly and simply Frequency blocks 21 through 29 offer 256 frequencies each in 100 kHz steps with the exception of 608 through 614 MHz in block 23 Block 944 offers 79 frequencies from 944 100 through 951 900 MHz also in 100 kHz steps The unique microcontroller design in this receiver provides simple one knob and one LED operation for audio level switching frequencies channels and easy on the fly programming The receiver frequency can be set by manually using the two rotary HEX switches on the side of the unit or by using the automatic scan and store function or both When powered ON the receiver will default to the frequency set by the switches A nonvolatile memory can store up to five additional frequencies accessible by pressing the knob The memory remains during power OFF and even with the battery removed The IFB R1a Receiver uses
14. ld it until the LED blinks the new channel number then release the knob The frequency is now stored in an open channel The unit will continue scan search for other fre quencies To store more frequencies repeat steps 4 and 5 above Up to 5 frequencies can be stored in memory channels When all desired frequencies are stored switch the power to OFF for a few moments then switch back to ON The unit will default to the channel number set by the switches and resume normal operating mode The first scan is made at low sensitivity and search es for only high level transmitter signals to avoid intermods If the receiver does not stop on any frequency in the first scan that means an IFB trans mitter was not detected In this condition the LED will change from a fast blink to a slow blink indicat ing the end of the scan The complete scan should take 15 to 40 seconds A second scan at high sensitivity is initiated by de pressing the knob briefly at the end of the first scan to search for low level transmitter signals When the scan stops and the transmitter audio is heard either SKIP or STORE the frequency step 4 or 5 above If the receiver still does not stop on any frequency check that the transmitter is ON Also if a frequen cy is not received or received but distorted some other signal may be interfering on that frequency Change the transmitter to another frequency and try again Switching the POWER to OFF during any
15. ls more with a scanning mode receiver since it will find them all Prevention is simple Do one of the following e Do the scan with only one transmitter on at a time Time consuming e Increase the receiver to transmitter distance to at least 10 feet Preferred Rio Rancho NM Volt alkaline or LiPolymer rechargeable type Lithium batteries can also be used for extended operating time An alkaline or LiPolymer battery will provide up to 8 hours of operation and a lithium battery will provide up to 20 hours of operation Carbon zinc batteries even if marked heavy duty will only provide about 2 hours of operation A green LED corresponds to a fresh battery The LED will change to yellow for low battery warning then to red to indicate the need for a fresh battery To replace the battery open the bottom battery door cover with your thumb rotate the door until it is perpen dicular with the case and allow the battery to fall out of the compartment into your hand It is difficult to install the battery backwards Observe the large and small holes in the battery contact pad before inserting a new battery Insert the contact end of the battery first mak ing sure the contacts are aligned with the holes in the contact pad and then swing the door closed You will feel it snap into place when it is fully closed To open the battery compartment door push the door up and away from the case with your thumb then swing open
16. ng depressed be cause it is resting against the knob guard Rio Rancho NM BEZELKITR1A full kit IFBR1 MOO0R 35747 28767 262011 1 o 28443 knob 26297 1 set screws 28764 Note If you wish to change the frequency or mode and the knob is unable to be depressed check to see if this procedure has aslready been done You can temporarily enable the functions if you loosen the set screw pull the knob out a small amount tighten the set screw and depress the knob Then reverse the procedure to disable the knob again However if youwish to permanently enable the knob replace the spacer washer between the knob and the shaft Ria Specifications and Features Operating frequencies Number of frequencies Channel spacing Frequency control Sensitivity Signal Noise ratio Squelch quieting AM rejection Modulation acceptance Spurious rejection Third order intercept Frequency response Pilot tone Audio output headphone Antenna Min headphone impedance Programmable memory Front panel controls Indicators Battery Requirement Power consumption Allen wrench for knob Weight Size Block 470 470 100 Block 19 486 400 Block 20 512 000 Block 21 537 600 Block 22 563 200 Block 23 588 800 Block 24 614 400 Block 25 640 000 Block 26 665 600 Block 27 691 200 Block 28 716 800 Block 29 742 400 Block 944 944 100 495 600 511 900 537 500
17. nnot correct the defect in your equipment it will be replaced at no charge with a similar new item Lectrosonics Inc will pay for the cost of returning your equipment to you This 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 This warranty gives you specific legal rights You may have additional legal rights which vary from state to state AY LECTROSONICS 581 Laser Road NE Rio Rancho NM 87124 USA www lectrosonics com 1 505 892 4501 fax 1 505 892 6243 800 821 1121 US and Canada sales lectrosonics com WMA 7 17 June 2015
18. rference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encour aged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that which the receiver is connected e Consult the dealer or an experienced radio TV tech nician for help Changes or modifications to this equipment not ex pressly approved by Lectrosonics Inc could void the user s authority to operate it LECTROSONICS INC IFB Receiver 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
19. tereo plug can be used with the IFBR1a headphone jack directly When a Mono plug is in serted a special circuit senses the ring to sleeve short and automatically switches off the ring to prevent excess battery drain To reset switch power OFF then back ON Audio Level Headphones and ear pieces vary widely in sensitiv ity and impedance making it impossible to design a receiver with a fixed output power level that is correct for all situations High impedance phones 600 to 2000 Ohms will have an inherently lower power level due to their high impedance and likewise low impedance phones may be extremely loud CAUTION Always set the Audio Level knob to minimum counter clockwise when plugging phones into the jack then adjust the knob for a comfortable audio level Figure 2 Headphone cord strain relief Frequency Adjust fig 3 Two rotary switches adjust the center frequency of the carrier The 1 6M is a coarse adjustment and the 100K is the fine adjustment Each transmitter is factory aligned at the center of its operating range The default position of the frequency select switches is in the center of the transmitters range The receiver and transmitter switches must be set to the same number letter combi nation for proper operation Figure 3 Frequency Adjustment To gain access to these switches slide the access door sideways with a fingernail io 2188 Earpn hs io Level VAI Control
20. the various controls and trimmers do not drift with age or vibration and never require readjustment There are no adjustments inside that will make a malfunctioning unit start working LECTROSONICS Service Department is equipped and staffed to quickly repair your equipment In warranty repairs are made at no charge in accordance with the terms of the warranty Out of warranty repairs are charged at a modest flat rate plus parts and shipping Since it takes almost as much time and effort to determine what is wrong as it does to make the repair there is a charge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs Returning Units for Repair 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
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