B5DB113Beltpack Transmitter

Preliminary Users Manual, Telex FMR-1000 System. Telex Model FMR-1000 Wireless Microphone Receiver. Telex Model WT-1000 Wireless Beltpack Transmitter. Telex Model HT-1000 Wireless Handheld Transmitter. The components above form the Telex “1000” Professional Grade Wireless Microphone System. The system is designed to be used in professional installations where Sound Quality and Reliability are of prime importance. Auto-set features and simplicity of operation are assured along with flexibility for varying venues. These features save valuable installation time at the outset and in the future to help prevent “recalls”. The features of the “1000” system such as user programmable frequencies or pre-programmed frequency sets mean that other users such as Rental Houses with itenerant operations will spend the least amount of time feasible during set-up. Features: Receiver.... • In-Line Receiver Power Supply saves terminal strip occupation. • International Power Supplies and cordsets off the shelf. • Phase Locked Frequencies for stable Operation. • 950 Radio Channels, user programmable or factory installed. • LCD Displays for ease of viewing. • Patented Phase Diversity System. • USB Port for uploading software improvements. • Control Port for remote COR or Relay closure. • Adjustable Line Level ¼ inch output jack. • Fixed Microphone Level XLR output jack. • Front Panel Power ON/OFF Switch. • Quadruple Tuned Ceramic Resonator front end for superior interference rejection. • SAW Filter 1 st I.F for out of band rejection. • Triple ceramic filters in 2 nd I.F for adjacent channel rejection.. • Double Tuned Quadrature circuit for low audio distortion. • On-board MIDAS EQ with Amplitude, Q (bandwidth) and Frequency controls. • Permanent Flash Memory for frequency/system storage. Telex FMR-1000 Page 2 • Front Panel Software Control of Squelch settings with channel monitor. • Double Squelch Amplitude and Tone Squelch system prevents false squelch. • Auto-Select of frequencies speeds set-up time. • Rugged Steel Case with Powder Coat Paint. • Modern front panel design with tamper resistant control cover. Handheld Transmitter...... • 950 Radio Channels, user programmable or factory installed. • Phase Locked Frequencies for Stable Operation. • Efficient current drain vs. power system. • High/Low power switch for range cut/boost or intermod reduction. • Patented Internal Dipole antenna eliminates wires or “rubber duck” antennas. • Removable Heads allow personal selection of available heads. • Specially shaped Handle with “softpaint” for comfort and low handling noise. • 9 Volt Alkaline “rattle-proof” battery area. • Low Profile Audio Mute and Power Switch. • LCD Display for ease of viewing. • On-board frequency program and menu switch. • Superior MIDAS microphone pre-amp design. • Permanent “Flash Memory” for frequency/system storage. • Transmit Tone for squelch control. • Microphone Gain control for talent/head set-up. • Low Battery LED. Beltpack Transmitter..... • 950 Radio Channels, user programmable or factory installed. • Phase Locked Frequencies for Stable Operation. • Efficient current drain vs. power system. • High/Low power switch for range cut/boost or intermod reduction. • Flexible wire rope replaceable antenna. Telex FMR-1000 Page 3 • Microphone/Instrument input connector for personal selection of microphones/instruments or ease of cord change. • Rugged Die Cast housing with wear resistant spatter paint coating. • Non detachable battery door with dual latches. • 9 Volt Alkaline battery operation. Telex Model FMR-1000 UHF Wireless Microphone Receiver The Telex Model FMR-1000 Receiver is a 950 Channel, frequency-selectable full diversity system operating within the frequency range of 520.0 to 746.0 MHz, on specific pre-set bands of frequencies with designated systems for UHF Television Channels . This configuration allows some operation even if several TV channels are in use locally. If any of the TV channels are some distance away from the area where the FMR-1000 is to be used, some of the FMR- 1000 channels can also be used in those channels , with some risk of minor interference. Channel spacing has been computer calculated and programmed to minimize interference. Systems of FMR-1000 and its companion transmitters are capable of operating on at least 5 sets of frequencies in a single TV channel simultaneously, sometimes more depending on the individual venue. Certain frequencies can be combined to form a system of 16. Digital frequency control of the FMR-1000 permits flexibility within a given area and assures confidence in the equipment capability. Specifications: General: (System) Operating Frequency Range.................520-608 and 614-746 MHz in 24 MHz wide bands. Frequency Stability........................... 50 PPM. Channels.......................................950 (25 KHz steps). RF Power Output.......5 mW Low, 50 mW High, typical (terminated). Modulation Type..............................FM, 40 KHz Deviation. Audio Frequency Range......................30-15000 Hz, +/- 2 db. (30-15000 Hz instruments) (80-15000 Hz microphones). Audio Frequency Distortion..................0.5 % THD @ 1000 Hz. Audio Frequency Dynamic Range...........100 db. Audio Frequency Signal/Noise Ratio........100 db. Temperature Range.............................-18 deg.C to 54 deg. C. Telex FMR-1000 System Page 4 FMR-1000 Receiver: Sensitivity......................................0.8 uV for 12 db SINAD Nominal. Image Rejection...............................60 db minimum. Spurious Rejection............................60 db minimum, Selectivity......................................180 KHz at –6 db points. Modulation Acceptance.......................40 KHz nominal deviation. Squelch Type...................................Tone with Amplitude Backup. Squelch Adjustment Range...................0 to 30 uV Typical. Squelch Quieting...............................100 db. Audio Output, mic level.......................-20 dbu. …

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IN MIC AMPLIFIERAMPLIFIERLOW PASS FILTER SWITCH OSCILLATOR PLL MICROPROCESSOR 16 MHZ INTERFACE USER PRE-EMPHASIS HIGH PASS FILTERCOMPRESSORLOW PASS FILTER LIMITER MODULATION 614 TO 746 MHZ 520 TO 608 MHZ WT-1000 BLOCK DIAGRAM

ID LABEL / LOCATION INFO

WT-1000 Theory of Operation A. Audio Input from the microphone is amplified by Q1, Q2, U1 and associated components. VR1 is user adjustable and varies the gain from 0 to 40 dB. U2A is a high pass filter with a cutoff frequency of 80 Hz. C102, R102 and R103 provide pre-emphasis at 50 microseconds. U101 is a 2:1 compressor that is used for noise reduction. The high frequencies are routed through U101A and the low frequencies through U101B. U102, Q101 and associated components comprise a modulation limiter. U102A detects positive peaks and U102B detects the negative. The resulting current turns on Q101 which then reduces the gain of U101. U103A is a low pass filter with a cutoff frequency of 30 kHz. VR102 is used to set the level of an ultrasonic tone used for squelch coding. VR101 is used to set the frequency deviation. B. RF Output HY101 is a VCO that runs at the output frequency. No multiplication takes place in the RF chain. Q102, Q103, Q106 and Q108 buffer and amplify the carrier. C155, C156, C157, L109 and L110 form a matching network and low pass filter. Q104 and Q107 are used to control the current through the amplifier section. Q105 is used to switch the amplifier on after the synthesizer achieves lock. C. Synthesizer U105 is a PLL that is serially loaded from microprocessor U5. RF from the VCO is fed to the PLL via C131 and R129. Y1 provides the reference frequency for U105. VC1 is used to set this to exactly 16 MHz. U105 controls the VCO through the loop filter consisting of R126, R127, C132, C133 and C134. Modulation is fed to the bottom of C132.

U.S. "A" 680-704MHZ U.S. "B" 722-746MHZ GERMAN "D" 798- U.K. "E" 841-862MHZ 879440- -1-2-3-4 ITEMNEW QTYQTYQTYQTY TYPEDESCRIPTIONPART NO.DESIGNATOR 1 5555CAP1UF TANT A102877012TC101,C109,C116,C118,C124 2 1111CAP.0015UF 08057233859TC102 3 7777CAP10UF TANT A102877047TC103,C104,C122,C132,C136,C159,C160 4 1111CAP4.7UF TANT A102877067TC105 5 6666CAP100PF 0603723482130TC106,C112,C121,C146,C153,C158 6 2222CAP.1UF 080572338530TC107,C133 7 1111CAP.047UF 080572338526TC108 8 1111CAP2.2UF TANT A102877042TC110 9 1111CAP.22UF TANT A102877008TC111 10 1111CAP470PF 0603723482138TC113 11 1111CAP.0068UF 080572338517TC114 12 1111CAP.015UF 080572338520TC115 131111CAP.01UF 0603102881703T C117 14 16161616CAP.001UF 0603102881717T C119,C120,C125,C126,C130,C134,C135, C138,C141,C142,C143,C145,C147, C149,C152,C154 15 1111CAP10UF TANT B102877065TC123 163333CAP.1UF 0603723489101T C127,C128,C129 17 1111CAP10PF 0603723482116TC131 18 1111CAP5.6PF 0603723482113TC137 19 CAP3.9PF 0603723482110T 22-2C139,C157 --1-C139 20 1111CAP12PF 0603723482117TC140 21 1111CAP1.5PF 0603723482103TC144 22 CAP3.3PF 0603723482109T 33--C148,C150,C156 --22C148,C150 23 11--CAP1PF 0603723482101TC155 24 --11CAP2.7PF 0603723482107TC156 25 1111DIODEBAW56102253000TD101 26 1111DIODEBAV99760481TD102 27 1---VCO680-704 MHz7603004THY101 28 -1--VCO722-746 MHz7603006THY101 29 --1-VCO798-822 MHz7603009THY101 30 ---1VCO841-862 MHz76030010THY101 31 5555IND.22UH 080572350828T L102,L103,L104,L107.L108 32 IND8NH 080572350812T 222-L105,L110 ---3L105,L109,L110 33 1111IND22NH 080572350816TL106 This drawing, written description or specification Is a proprietary product of TELEX, Lincoln, NE, and shall not be released, disclosed, nor duplicated without the written permission of TELEX. Telex Communications INC. Lincoln, Nebraska USA APPROVALS:DR BY: DDN DATE: 10/17/00 PROD:___ DATE:___ CHKD BY: TY DATE: 07/26/01 APPD BY: RB DATE: 07/26/01 879436 REV LEVEL: PCB ASSY, ROSE II XMIT BELT PACK RF SMT TITLE: PART NO: B Page 2 of 5 U.S. "A" 680-704MHZ U.S. "B" 722-746MHZ GERMAN "D" 798- U.K. "E" 841-862MHZ 879440- -1-2-3-4 This drawing, written description or specification Is a proprietary product of TELEX, Lincoln, NE, and shall not be released, disclosed, nor duplicated without the written permission of TELEX. Telex Communications INC. Lincoln, Nebraska USA APPROVALS:DR BY: DDN DATE: 10/17/00 PROD:___ DATE:___ CHKD BY: TY DATE: 07/26/01 APPD BY: RB DATE: 07/26/01 879436 REV LEVEL: PCB ASSY, ROSE II XMIT BELT PACK RF SMT TITLE: PART NO: B 34 1---IND18NH 080572350815TL109 35 -1--IND15NH 080572350814TL109 36 --1-IND12NH 080572350813TL109 37 3333TRANSMMBT390654716200Q101,Q104,Q107 38 4444TRANSBFG540X760209TQ102,Q103,Q106,Q108 39 1111TRANSMMBT390454671200TQ105 401111RES33.2 OHM 0603723481050T R101 41 1111RES26.7K 0603723481341TR102 42 1111RES6.65K 0603723481279TR103 43 RES100 OHM 0603723481100T 22--R104,R132 --33R104,R132,R142 44 1111RES3.32K 0603723481250TR105 45 9999RES10K 0603723481300T R106,R107,R113,R114,R116,R117,R136, R137,R140 46 1111RES12.1K 0603723481308TR108 47 3333RES4.75K 0603723481265TR109,R111,R127 48 3333RES2.21K 0603723481233TR110,R112,R119 49 3333RES20K 0603723481329TR115,R120,R121 50 51 1111RES30.1K 0603723481346TR122 52 RES47.5 OHM 0603723481065T 44--R123,R128,R130,R141 --33R123,R128,R130 53 1111RES56.2K 0603723481372TR124 54 1111RES200K 0603723481429TR125 55 1111RES536 OHM 0603723481170TR126 56 1111RES221 OHM 0603723481133TR129 57 1111RES22.1K 0603723481333TR131 58 1111RES22.1 OHM 0603723481033TR133 59 1111RES6.81K 0603723481280TR134 60 1111RES150 OHM 1206102404117TR135 61 1111RES47.5K 0603723481365TR138 62 2222RES10 OHM 0603723481000TR139,R144 63 --11RES26.7 OHM 0603723481041TR141 64 11--RES130 OHM 0603723481111TR142 65 1111RES1K 0603723481200TR145 66 1111ICSA57153277002TU101 67 1111ICLM35853227104TU102 68 1111ICLM83316030833SMTU103 69 1111ICTC55RP500760296TU104 70 1111ICTRF2050760242TU105 Page 3 of 5 U.S. "A" 680-704MHZ U.S. "B" 722-746MHZ GERMAN "D" 798- U.K. "E" 841-862MHZ 879440- -1-2-3-4 This drawing, written description or specification Is a proprietary product of TELEX, Lincoln, NE, and shall not be released, disclosed, nor duplicated without the written permission of TELEX. Telex Communications INC. Lincoln, Nebraska USA APPROVALS:DR BY: DDN DATE: 10/17/00 PROD:___ DATE:___ CHKD BY: TY DATE: 07/26/01 APPD BY: RB DATE: 07/26/01 879436 REV LEVEL: PCB ASSY, ROSE II XMIT BELT PACK RF SMT TITLE: PART NO: B 71 1111POT20K 72352010TVR101 72 1111POT10K 7235209TVR102 73 1111PC BOARD BP RF TRANSMIT750552 74 A/RA/RA/RA/RPASTESOLDER PASTEBE738 75 1111CAP.001UF 1206102881327TC151 76 1111RES4.75K 1206102404265TR143 77 --1-CAP4.7PF 0603723482111TC157 78 1111RES18.2K 0603723481325TR118 79 3333RES100K 0603723481400TR146, R147, R148 Page 4 of 5 ITEMNEW QTY TYPEDESCRIPTIONPART NO.DESIGNATOR 1 1CAP.1UF 0603 723489101TC201 2 1ICPCF 8566 VS040760303TU201 31XMIT BP DISPLAY PCB750553 4 A/RSOLDER PASTEBE738 This drawing, written description or specification Is a proprietary product of TELEX, Lincoln, NE, and shall not be released, disclosed, nor duplicated without the written permission of TELEX. Telex Communications INC. Lincoln, Nebraska USA APPROVALS:DR BY: TJY DATE: 12/20/00 PROD:___ DATE:___ CHKD BY: TY DATE: 07/26/01 APPD BY: RB DATE: 07/26/01 879438 REV LEVEL: PCB ASSY, ROSE II TRANSMIT BELTPACK DISPLAY SMT TITLE: PART NO: A Page 2 of 3 ITEMNEW QTY TYPEDESCRIPTIONPART NO.DESIGNATOR 1 1CAP10UF TANT A102877047TC1 2 1CAP100PF 0603723482130TC2 3 1CAP1UF TANT A102877012TC3 4 1CAP.47UF TANT A102877010TC4 5 3CAP100UF TANT D102877051TC5,C16,C17 6 1CAP22PF 0603723482121TC6 7 1CAP470PF 0603723482138TC7 8 3CAP.1UF 080572338530TC8,C9,C10 9 2CAP.1UF 0603723489101TC11,C13 10 1CAP.001UF 0603102881717TC12 11 1CAP33PF 0603723482124TC14 12 1CAP18PF 0603723482119TC15 13 2FERRITEBLM21A601S 08057234282TFB1,FB2 14 2TRANSMMBT508716025087SMTQ1,Q2 15 1TRANSMTSF3N03760199TQ3 16 1TRANSMMBT390654716200Q4 17 1RES3.01K 0603723481246TR1 18 1RES100 OHM 0603723481100TR2 19 1RES475 OHM 0603723481165TR…

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FCC ID: B5DB113 MFA p0170012, d0180066 Date: August 20, 2001 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: Telex Communications, Inc. Equipment: Telex WT-1000/Electro-Voice CSB-1000 FCC ID: B5DB113 FCC Rules: Radiofrequency Radiation Exposure Limits 47 CFR 1.1310 MPE - Mobiles x Fixed Based Station Gentlemen: On behalf of the Applicant, enclosed please find the Supplemental Test Data Report, the whole for Environmental Assessment (MPE) of the referenced equipment as shown. We trust the same is in order. Should you need any further information, kindly contact the writer who is authorized to act as agent. Sincerely yours, Morton Flom, P. Eng. enclosure(s) cc: Applicant MF/cvr FCC ID: B5DB113 MFA p0170012, d0180066 ENVIRONMENTAL ASSESSMENT for MOBILES for FCC ID: FCC ID: B5DB113 Model:Telex WT-1000/Electro-Voice CSB-1000 to FEDERAL COMMUNICATIONS COMMISSION 47 CFR 1.1310 (MPE) Radiofrequency Radiation Exposure Limits DATE OF REPORT: August 20, 2001 ON THE BEHALF OF THE APPLICANT: Telex Communications, Inc. AT THE REQUEST OF: P.O. 238029 Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 Attention of: Charles E. Conner, Project Engineer (402) 467-5321; FAX: -3279 E-mail: [email protected] SUPERVISED BY: Morton Flom, P. Eng. FCC ID: B5DB113 MFA p0170012, d0180066 TABLE OF CONTENTS RULEDESCRIPTIONPAGE . Test Report 1 . Identification of the Equipment Under Test 2 . Standard Test Conditions and Engineering Practices 4 FCC ID: B5DB113 MFA p0170012, d0180066 PAGE NO.1of5. Required information per ISO/IEC Guide 25-1990, paragraph 13.2: a) TEST REPORT (SUPPLEMENTAL) b) Laboratory: (FCC: 31040/SIT) (Canada: IC 2044) M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, AZ 85225 c) Report Number: d0180066 d) Client: Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 e) Identification: FCC ID: B5DB113 Models: Telex WT-1000 and Electro-Voice CSB-1000 Description: UHF FM Beltpack Transceiver f) EUT Condition: Not required unless specified in individual tests. g) Report Date: August 20, 2001 EUT Received: June 8, 2001 h, j, k): As indicated in individual tests. i) Sampling method: No sampling procedure used. l) Uncertainty: In accordance with MFA internal quality manual. m) Supervised by: Morton Flom, P. Eng. n) Results: The results presented in this report relate only to the item tested. o) Reproduction: This report must not be reproduced, except in full, without written permission from this laboratory. FCC ID: B5DB113 MFA p0170012, d0180066 PAGE NO.2of5. IDENTIFICATION OF THE EQUIPMENT UNDER TEST (EUT) NAME AND ADDRESS OF APPLICANT: Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 MANUFACTURER: Telex Communications, Inc. FCC ID: B5DB113 MODEL NOs: Telex WT-1000 Electro-Voice CSB-1000 DESCRIPTION: UHF FM Beltpack Transceiver TYPE OF EMISSION: 92K0F3E FREQUENCY RANGE, MHz: 520 to 608 614 to 746 POWER RATING, Watts: 10mwto50mw x Switchable Variable N/A MODULATION: AMPS TDMA CDMA x OTHER ANTENNA: HELICAL MONOPOLE WHIP x OTHER NOTE: For RF Safety test antenna gain taken at the upper range of expected gain (i.e. 0 dBd) and RF Power set to highest nominal power across all channels. FCC ID: B5DB113 MFA p0170012, d0180066 PAGE NO.3of5. M. Flom Associates, Inc. is accredited by the American Association for Laboratory Association (A2LA) as shown in the scope below. "This laboratory is accredited by the American Association for Laboratory Accreditation (A2LA) and the results shown in this report have been determined in accordance with the laboratory's terms of accreditation unless stated otherwise in the report." Should this report contain any data for tests for which we are not accredited, or which have been undertaken by a subcontractor that is not A2LA accredited, such data would not covered by this laboratory's A2LA accreditation. FCC ID: B5DB113 MFA p0170012, d0180066 PAGE NO.4of5. STANDARD TEST CONDITIONS and ENGINEERING PRACTICES Except as noted herein, the following conditions and procedures were observed during the testing: In accordance with ANSI C63.4-1992/2000, section 6.1.9, and unless otherwise indicated in the specific measurement results, the ambient temperature of the actual EUT was maintained within the range of 10°to 40°C (50°to 104°F) unless the particular equipment requirements specify testing over a different temperature range. Also, unless otherwise indicated, the humidity levels were in the range of 10% to 90% relative humidity. Prior to testing, the EUT was tuned up in accordance with the manufacturer's alignment procedures. All external gain controls were maintained at the position of maximum and/or optimum gain throughout the testing. Measurement results, unless otherwise noted, are worst case measurements. FCC ID: B5DB113 MFA p0170012, d0180066 PAGE NO.5of5. MPE CALCULATION Power Output = 47.01 milliwatts Frequency = 520 MHz Uncontrolled Exposure Limit = f/1500 = 0.346 mw/cm 2 Minimum Safe Distance = R meters =[P ERP /(4πx Limit)] 1/2 = [0.047/(4πx 3.46)] 1/2 = 0.03287 m = 3.2 cm SUPERVISED BY: Morton Flom, P. Eng. FCC ID: B5DB113 MFA p0170012, d0180066 (The following will be placed in the Instruction Manual) MANDATORY SAFETY INSTRUCTIONS TO INSTALLERS & USERS Use only manufacturer or dealer supplied antenna. Antenna Minimum Safe Distance: 3.2 cm . Antenna Gain: zero dBd referenced to a dipole. The Federal Communications Commission has adopted a safety standard for human exposure to RF (Radio Frequency) energy which is below the OSHA (Occupational Safety and Health Act) limits. Antenna Mounting:The antenna supplied by the manufacturer or radio dealer must not be mounted at a location such that during radio transmission, any person or persons can come closer than the above indicated minimum safe distance to the antenna i.e. 3.2. To comply with current FCC RF Exposure limits, t…

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770663A.sch-1 - Thu Jul 26 12:43:35 2001 770664PE.sch-1 - Fri Jul 27 11:33:57 2001 770679a.sch-1 - Thu Jul 26 14:08:17 2001

FCC ID: B5DB113 MFA p0170012, d0180002 Date of Report: Date of Submission: August 2, 2001 August 21, 2001 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: Telex Communications, Inc. Equipment: Telex WT-1000 Electro Voice CSB-1000 FCC ID: B5DB113 FCC Rules: 74H Gentlemen: On behalf of the Applicant, enclosed please find Application Form 731, Engineering Test Report and all pertinent documentation, the whole for approval of the referenced equipment as shown. Filing fees are attached. We trust the same is in order. Should you need any further information, kindly contact the writer who is authorized to act as agent. Sincerely yours, Morton Flom, P. Eng. enclosure(s) cc: Applicant MF/cvr FCC ID: B5DB113 MFA p0170012, d0180002 LIST OF EXHIBITS (FCCCERTIFICATION(TRANSMITTERS) - REVISED 9/28/98) APPLICANT: Telex Communications, Inc. FCC ID: B5DB113 BY APPLICANT: 1. LETTER OF AUTHORIZATION 2. IDENTIFICATION DRAWINGS, 2.1033(c)(11) LABEL LOCATION OF LABEL COMPLIANCE STATEMENT LOCATION OF COMPLIANCE STATEMENT 3. PHOTOGRAPHS, 2.1033(c)(12) 4. DOCUMENTATION: 2.1033(c) (3) USER MANUAL (9) TUNE UP INFO (10) SCHEMATIC DIAGRAM (10) CIRCUIT DESCRIPTION BLOCK DIAGRAM PARTS LIST ACTIVE DEVICES 5. PART 90.203(e) & (g) ATTESTATION BY M.F.A. INC. A. TESTIMONIAL & STATEMENT OF CERTIFICATION B. STATEMENT OF QUALIFICATIONS FCC ID: B5DB113 MFA p0170012, d0180002 TRANSMITTER CERTIFICATION of FCC ID: B5DB113 MODELS: Telex WT-1000 and Electro Voice CSB-1000 to FEDERAL COMMUNICATIONS COMMISSION Rule Part(s) 74H DATE OF REPORT: August 2, 2001 ON THE BEHALF OF THE APPLICANT: Telex Communications, Inc. AT THE REQUEST OF : P.O. 238029 Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 Attention of: Charles E. Conner, Project Engineer (402) 467-5321; FAX: -3279 E-mail: [email protected] SUPERVISED BY: Morton Flom, P. Eng. FCC ID: B5DB113 MFA p0170012, d0180002 THE APPLICANT HAS BEEN CAUTIONED AS TO THE FOLLOWING: 15.21 INFORMATION TO USER. The users manual or instruction manual for an intentional radiator shall caution the user that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 15.27(a) SPECIAL ACCESSORIES. Equipment marketed to a consumer must be capable of complying with the necessary regulations in the configuration in which the equipment is marketed. Where special accessories, such as shielded cables and/or special connectors are required to enable an unintentional or intentional radiator to comply with the emission limits in this part, the equipment must be marketed with, i.e. shipped and sold with, those special accessories. However, in lieu of shipping or packaging the special accessories with the unintentional or intentional radiator, the responsible party may employ other methods of ensuring that the special accessories are provided to the consumer, without additional charge. Information detailing any alternative method used to supply the special accessories for a grant of equipment authorization or retained in the verification records, as appropriate. The party responsible for the equipment, as detailed in § 2.909 of this chapter, shall ensure that these special accessories are provided with the equipment. The instruction manual for such devices shall include appropriate instructions on the first page of text concerned with the installation of the device that these special accessories must be used with the device. It is the responsibility of the user to use the needed special accessories supplied with the equipment. FCC ID: B5DB113 MFA p0170012, d0180002 TABLE OF CONTENTS RULEDESCRIPTIONPAGE . Test Report 1 2.1033(c) General Information Required 2 2.1033(c)(14) Rule Summary 5 . Standard Test Conditions and Engineering Practices 6 2.1046(a) R. F. Power Output (Radiated) 7 2.1046(a) Carrier Output Power (Conducted) 9 2.1051 Unwanted Emissions (Transmitter Conducted) 11 2.1053(a) Field Strength of Spurious Radiation 14 2.1049(c)(1) Emission Masks (Occupied Bandwidth) 18 2.1047(a) Audio Frequency Response 26 2.1047(b) Modulation Limiting 28 2.1055(a)(1) Frequency Stability (Temperature Variation) 30 2.1055(b)(1) Frequency Stability (Voltage Variation) 33 2.202(g) Necessary Bandwidth and Emission Bandwidth 34 FCC ID: B5DB113 MFA p0170012, d0180002 PAGE NO.1of34. Required information per ISO/IEC Guide 25-1990, paragraph 13.2: a) TEST REPORT b) Laboratory: (FCC: 31040/SIT) (Canada: IC 2044) M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, AZ 85225 c) Report Number: d0180002 d) Client: Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 e) Identification: FCC ID: B5DB113 Models: Telex WT-1000 Electro Voice CSB-1000 EUT Description: UHF FM Beltpack Transceiver f) EUT Condition: Not required unless specified in individual tests. g) Report Date: August 2, 2001 EUT Received: June 8, 2001 h, j, k): As indicated in individual tests. i) Sampling method: No sampling procedure used. l) Uncertainty: In accordance with MFA internal quality manual. m) Supervised by: Morton Flom, P. Eng. n) Results: The results presented in this report relate only to the item tested. o) Reproduction: This report must not be reproduced, except in full, without written permission from this laboratory. FCC ID: B5DB113 MFA p0170012, d0180002 PAGE NO.2of34. LIST OF GENERAL INFORMATION REQUIRED FOR CERTIFICATION IN ACCORDANCE WITH FCC RULES AND REGULATIONS, VOLUME II, PART 2 AND TO 74H Sub-part 2.1033 (c)(1): NAME AND ADDRESS OF APPLICANT: Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 MANUFACTURER: Applicant (c)(2): FCC ID: B5DB113 MODEL NOs: Telex WT-1000 Electro Voice CSB-1000 (c)(3): INSTRUCTION MANUAL(S): PLEASE SEE ATTACHED EXHIBITS (c)(4): TYPE OF EMISSION: 92K0F3E (c)(5): FREQUENCY RANGE, MHz : 520 to 608 614 to 746 (c)(6): POWER RATING…

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