B5DB117UHF AUXILIARY TRANSMITTER

Preliminary Users Manual Electro-Voice Model CSB-1000 Wireless Microphone Transmitter (Ev Band C frequencies) The Electro-Voice (Ev) CSB-1000 Is a Professional Grade Wireless Transmitter operating within the frequency range of 776.0 MHz to 800.000 MHz. ( Ev Band C frequencies). The CSB-1000 combines frequency agility and ease of use like no other. The transmitter operates within a 24 MHz wide segment in 25 KHz steps. The high quality audio circuitry and advanced Radio Frequency (RF) signal processing offer broadcast quality signal-to-noise and audio clarity. System features include: • Durable Painted Metal Case. • TA-4F Audio Connector. • Smart Battery circuit, accepts either polarity orientation. • Permanent Flash Memory for frequency/setting storage. • On-Loc prevents accidental power off. • LCD Display for ease of viewing. • Flexible quarter wave external Antenna. Quick set-up: 1. With the Power Switch on the transmitter OFF, install a fresh battery into the transmitter. 2. Place the transmitter Power Switch to the ON position. 3. The Battery light near the Off/On switch will flash once and then off. The display will also come on briefly displaying the battery level. 4. The screen will stop at the GP (Group) and CH (Channel) screen. If the Group and Channel match the desired receiver group and channel, Proceed to Step 7. If not, proceed to Step 5. CSB-1000 Users Manual Page 2 Quick set cont’d. 5. To select a different GP/CH, press MENU if required to get to the GP/CH display. Press the SET button once and the Group number will flash. Use the up and down arrows to change the group number. Press the SET button to save the Group. 6. The Channel number will start flashing after step 5. Use the up/down arrows to change the Channel number. Press SET and the channel is now saved. 7. Talk test the transmitter in conjunction with the receiver/audio syatem. Adjust the microphone gain control on the transmitter as required. The Transmit Power (RF) is shipped set to “Norm” for use with multiple frequency systems. If set to High for longer distances or to suppress noise, the power is approximately 50 milliwatts. When power off is required, place the power Off-On switch in the OFF position. The display will then indicate Loc-Off. Press the SET button to clear the Loc-Off function. The display should now be blank. Specifications: Page 3 Frequency range............................776.000 to 800.000 MHz. Channel Step................................ 25 KHz RF Power....................................Norm, 5 mW, High, 50 mW. Modulation..................................FM, 40 KHz nominal. Frequency Response.......................80-15000 Hz +/- 2 dB. Microphone Gain Range..................40 dB. Microphones, Electret or Dynamic...... Electret bias provided. Antenna......................................Quarter Wave Flexible. Battery Life (Alkaline)..................... 8-10 Hours Typical. CSB-1000 Users Manual. Page 4 Approval Information: The Telex/Ev CSB-1000 Transmitter is Type Accepted under United States Federal Communications Commission Part 74. The Telex/Ev CSB-1000 Transmitter is Certified to Industry Canada RSS123 rules. Licensing of Telex/Ev equipment is the users responsibility and licensability depends upon the user’s classification, user’s application and frequency selected. Telex/Ev strongly urges the user to contact the appropriate telecommunications 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.

Telex Communications, Inc. 8601 E. Cornhusker Hwy Lincoln, NE 68507 402-467-5321 Date: September 26, 2002 To: Federal Communications Commission EQUIPMENT APPROVAL SERVICES P.O. Box 358315 Pittsburgh, PA 15251-5315 To: INDUSTRY CANADA Certification & Engineering Bureau 3701 Carling Avenue, Bldg. 94 P.O. Box 11490, Station “H” Ottawa, Ontario, Canada K2H 8S2 Per: 47 CFR 0.457 and 0.459 Re: FCC ID: Model: Pursuant to Sections 0.457 (d) (1) (ii) and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of some of the information accompanying this application as listed below, i.e. Block Diagram, Schematics, Parts Lists, List of Active Devices, Tune-up Procedures (alignment procedure), Operational Description (theory of operation). These materials contain trade secrets and proprietary information not customarily released to the public and the public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457 (d) (1) (ii) disclosure of this application and all accompanying documentation will not be made before the date of the grant of this application. Sincerely, Charles E. Conner Senior Project Engineer Telex Communications, Inc.

ID LABEL / LOCATION INFO

M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d0530004 Date: March 4, 2005 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: Telex Communications, Inc. Equipment: Telex WT-10000 / Electro Voice CSB-1000 FCC ID: B5DB117 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, David E. Lee, Compliance Test Manager enclosure(s) cc: Applicant DEL/del M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d0530004 Transmitter Certification of FCC ID: B5DB117 Model: Telex WT-1000 Electro Voice CSB-1000 to Federal Communications Commission Rule Part(s) 74H Date of report: March 4, 2005 On the Behalf of the Applicant: Telex Communications, Inc. At the Request of: P.O. 315993 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] Jim Andersen Email: [email protected] Supervised by: David E. Lee, Compliance Test Manager M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d0530004 List of Exhibits (FCC Certification (Transmitters) - Revised 9/28/98) Applicant: Telex Communications, Inc. FCC ID: B5DB117 By Applicant: 1. Letter of Authorization 2. Confidentiality Request: 0.457 And 0.459 3. Identification Drawings, 2.1033(c)(11) Label Location of Label Compliance Statement Location of Compliance Statement 4. Photographs, 2.1033(c)(12) 5. Documentation: 2.1033(c) (3) User Manual (9) Tune Up Info (10) Schematic Diagram (10) Circuit Description Block Diagram Parts List Active Devices 6. MPE Report By M.F.A. Inc.: A. Testimonial & Statement of Certification M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d0530004 The Applicant has been cautioned as to the following: 15.21 Information to the 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. M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d0530004 Table of Contents Rule Description Page 2.1033(c)(14) Rule Summary 2 . Standard Test Conditions and Engineering Practices 3 2.1033(c) General Information Required 5 2.1046(a) Carrier Output Power (Conducted) 7 2.1046(a) RF Power Output (Radiated) 9 2.1053(a) Field Strength of Spurious Radiation 10 2.1049(c)(1) Emission Masks (Occupied Bandwidth) 14 2.1047(a) Audio Frequency Response 25 2.1047(b) Modulation Limiting 27 2.1055(a)(1) Frequency Stability (Temperature Variation) 29 2.1055(b)(1) Frequency Stability (Voltage Variation) 31 2.202(g) Necessary Bandwidth and Emission Bandwidth 33 M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Page 1 of 33 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d0530004 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: d0530004 d) Client: Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 e) Identification: Telex WT-1000 Electro Voice CSB-1000 FCC ID: B5DB117 EUT Description: UHF Auxiliary Transmitter f) EUT Condition: Not required unless specified in individual tests. g) Report Date: March 4, 2005 EUT Received: February 14, 2005 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: David E. Lee, Compliance Test Manager n) Results: The results …

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M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d05300055 Date: March 7, 2005 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: Telex Communications, Inc. Equipment: Telex WT-1000 / Electro Voice CSB-1000 FCC ID: B5DB117 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, David E. Lee, Compliance Test Manager enclosure(s) cc: Applicant DEL/del M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d05300055 Environmental Assessment for Mobiles/Fixed Base Station for FCC ID: B5DB117 Model: Telex WT-1000 / Electro Voice CSB-1000 to Federal Communications Commission 47 CFR 1.1310 (MPE) Radiofrequency Radiation Exposure Limits Date Of Report: March 7, 2005 On the Behalf of the Applicant: Telex Communications, Inc. At the Request of: P.O. 315993 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] Jim Andersen Email: [email protected] Supervised By: David E. Lee, Compliance Test Manager M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d05300055 Table of Contents Rule Description Page . Test Report 1 . Identification of the Equipment Under Test 2 . Standard Test Conditions and Engineering Practices 4 1.1310 Environmental Assessment 5 M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Page 1 of 5 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d05300055 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: d0530005 d) Client: Telex Communications, Inc. 8601 E. Cornhusker Highway P.O. Box 5579 Lincoln, NE 68505-5579 e) Identification: Telex WT-1000 / Electro Voice CSB-1000 FCC ID: B5DB117 Description: UHF Transmitter f) EUT Condition: Not required unless specified in individual tests. g) Report Date: March 7, 2005 EUT Received: February 14, 2005 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: David E. Lee, Compliance Test Manager 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. M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Page 2 of 5 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d05300055 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: B5DB117 Model Number: Telex WT-1000 Electro Voice CSB-1000 Description: UHF Transmitter Type of Emission: Digitized Voice (91K0F3E) Frequency Range, MHz: 776 - 800 Power Rating, Watts: 0.050 and 0.005 X Switchable Variable N/A Modulation: AMPS TDMA CDMA X OTHER Antenna: Helical Monopole X Whip 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. M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Page 3 of 5 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d05300055 A2LA “A2LA has accredited M. Flom Associates, Inc. Chandler, AZ for technical competence in the field of Electrical Testing. The accreditation covers the specific tests and types of tests listed on the agreed scope of accreditation. This laboratory meets the requirements of ISO/IEC 17025 – 1999 ‘General Requirements for the Competence of Testing and Calibration Laboratories’ and any additional program requirements in the identified field of testing.” Certificate Number: 2152-01 NIST I am pleased to inform you that your laboratory has been validated by the Chinese Taipei Bureau of Standards, Metrology and Inspection (BSMI) under the Asia Pacific Economic Cooperation Mutual Recognition Agreement (APEC MRA). Your laboratory is now formally designated to act as a Conformity Assessment Body (CAB) under Appendix B, Phase I Procedures, of the APEC MRA between the American Institute in Taiwan (AIT) and the Taipei Economic and Cultural Representative Office (TECRO) in the United States, covering equipment subject to Electro-Magnetic Compatibility (EMC) requirements. The names of all validated and nominated laboratories will be posted on the NIST website at http://ts.nist.gov/mra under the ‘Asia’ category.” BSMI Number: SL2-IN-E-041R M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Page 4 of 5 Chandler, Arizona 85225-7176 FCC ID: B5DB117 (480) 926-3100 phone, (480) 926-3598 fax MFA p0520006, d05300055 Standard Test Conditions and Engineering Practices Except as noted herein, the following conditions and procedures were observed during the testing: In accordance with ANSI C63.4-1992/2001, section 6.1.9, and unless otherwise indicated in the specific mea…

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