C6ZBST75-216Mini Base Station Transmitter

Synthesized Base Station Transmitter BST 75-216 OPERATOR’S MANUAL (216 MHz) 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • www.comtek.com © 2010 COMTEK ® All rights reserved Printed in U.S.A. 03-10-2010 TABLE OF CONTENTS Introduction ........................................................... Equipment Placement ............................................... Power Requirements ....................................................... Remote Antenna ...................................................... Screw-in Whip Antenna ............................................ Audio Input Connections ............................................... Audio Adjustments ............................................... Audio Processing Circuit .......................................... Front and Rear Panel Facilities ........................................ Frequency Information .......................................... Accessories .......................................................... Specifications ...................................................... Warranty and Service ............................................... 1 2 2 3 3 4 4 5 6-7 8-9 10-11 12 13 NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. T his transmitter may be used for personal listening applications such as cueing and IFB, wireless automatic tour information systems, language interpretation, and for assistive listening for people with hearing loss. The BST 75-216 mini base station transmitter meets the highest professional standards while offering outstanding value and the most advanced technology available. This versatile and innovative transmitter is simple to use, yet it has sophisticated features such as “Flash Memory” 57-channel programmability with a synthesized manual 10-channel selectable user-switch. Plus a unique multi-function RF indicator detects antenna problems, bad or incorrect antenna, and open coaxial cable for quick and easy trouble shooting. The audio processing circuit produces full fidelity frequency response from 100 Hz to 10 kHz with very low residual FM noise and distortion. To accommodate a greater variety of receivers, the BST 75-216 can operate with non-companded receivers or with companded receivers for higher fidelity sound reproduction with a signal-to-noise ratio of up to 90 dB. All this is designed into a stylish, compact, all-metal enclosure suitable for permanent rack-mount installations or for stand-alone portable applications. INTRODUCTION BST 75-216 Synthesized Base Station Transmitter Page 1 Equipment Placement If the BST 75-216 base station is to be rack mounted, a remote antenna must be used. The base station should be mounted away from equipment that uses large power transformers to reduce 60 Hz hum possibilities. Special Note: When using the base station in close proximity to other audio equipment, ensure that the audio equipment is not susceptible to RF interference. This can be accomplished by temporarily installing the base station as per above, and then while the base station is operating, checking all audio outputs for uncharacteristic noise. If a problem is found, move the base station or the remote antenna as far as possible from the affected equipment. Should you continue to have problems, contact COMTEK’s Technical Support Services for assistance. Power Requirements The BST 75-216 base station is designed to be powered by 12 volts DC. The standard barrel type power jack (5.5mm X 2.1mm) is nonpolar and will accept either plus or minus 12 volt DC on the center pin. The switching power supply adaptor which is included is a universal input type that will accept 100-240 volt, 47-63 Hz (AP-12V1B). The on/off switch on the front panel of the base station transmitter should be turned to the “off” position when the power plug is initially plugged into the transmitter. Page 2 OPERATING INSTRUCTIONS Remote Antenna When the BST 75-216 base station transmitter is to be rack mounted for permanent installation, a remote antenna must be used. For high performance application when greater coverage is required, the Phase-Right or Mini-Mite 1/2 wave omni antenna should be used. These antennas must be placed vertically polarized up to 15 feet away from the transmitter with the coaxial cable supplied. The highest possible antenna placement away from any metallic object is best. For high gain directional yagi type antennas and specialty antennas, contact COMTEK’s Technical Support Services. Short Loaded Whip BNC Antenna If the BST 75-216 base station transmitter is to be used outside of the traditional rack-mounted environment for stand-alone mobile type applications, the short loaded whip antenna (SLW 75-216) should be used. The transmitter should be placed on a table or platform as high as possible so the antenna is at least 24” away from any metallic object. The radiated output power of the transmitter with this short loaded whip antenna will not be as great as the remote antennas. The BST 75-216 transmitter should be used only in the high power setting when the short loaded whip antenna is used. Page 3 OPERATING INSTRUCTIONS SLW 75-216 Phase-Right 1/2 Wave Mini-Mite Audio Input Connections The BST 75-216 base station transmitter uses an XLR-3F connector with a “Combo” phone jack. The XLR portion of the connector will accept a true balanced …

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Compliance Testing 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 (866) 311-3268 phone, (480) 926-3598 fax p1050001, d1050024 Rev 2.0 Date: May 27, 2010 Applicant: COMTEK Communications Technology, Inc. 357 W. 2700 South Salt Lake City, UTAH 84115 Attention of: Ralph Belgique, President Ph: (800) 496-3463, Fax: (801) 484-6956 (800) 496-3463 [email protected] Equipment: BST 75-216 FCC ID: C6ZBST75-216 FCC Rules: Part 95 To Whom It May Concern: Enclosed please find your copy of the Engineering Test Report for which you are subject to the restrictions as listed on the attached summary. Once a Telecommunication Certification Body (TCB) issues a Grant the Federal Communication Commission (FCC) has 30 days to review the application and request added information. It is your decision whether or not to market the equipment subject to a possible recall before the end of the 30 days. If your equipment is still retained by us, it will be returned to you 30 days after approval is achieved. Our invoice for services has been directed to your Accounts Payable Department. For any additional information please contact us. Thank you. Sincerely yours, John Erhard: Engineering Manager Compliance Testing 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 (866) 311-3268 phone, (480) 926-3598 fax p1050001, d1050024 Rev 2.0 Summary of Restrictions 1. All submissions to the FCC are subject to their Examiner's interpretation. 2. Please allow from 60 to 90 days before hearing from the FCC with regard to any submission. 3. The FCC can set aside any action; modify or set aside any action, within 30 days. (FCC Rule 1.108, 1.113) 4. Under Rule 2.803, if device is not type accepted/certificated then it must not be sold, leased, offered for sale, imported, shipped or distributed or advertised for sale. 5. FCC can revoke its certificates at any time if the equipment does not meet or continue to meet their Rules. (Rule Parts 2.927, 2.939) 6. FCC can request a sample at any time (2.936). Compliance Testing 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 (866) 311-3268 phone, (480) 926-3598 fax p1050001, d1050024 Rev 2.0 Date: May 27, 2010 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: COMTEK Communications Technology, Inc. Equipment: BST 75-216 FCC ID: C6ZBST75-216 FCC Rules: Part 95 To Whom It May Concern: 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. We trust the same is in order. If you should need any further information, please feel free to contact us. Best regards, John Erhard: Engineering Manager Compliance Testing 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 (866) 311-3268 phone, (480) 926-3598 fax p1050001, d1050024 Rev 2.0 Test Report for FCC ID: C6ZBST75-216 Model: BST 75-216 to Federal Communications Commission Rule Part(s) Date of report: May 27, 2010 On the Behalf of the Applicant: COMTEK Communications Technology, Inc. At the Request of: COMTEK Communications Technology, Inc. 357 W. 2700 South Salt Lake City, UTAH 84115 Attention of: Ralph Belgique, President Ph: (800) 496-3463, Fax: (801) 484-6956 (800) 496-3463 [email protected] Reviewed by: John Erhard: Engineering Manager Compliance Testing 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 (866) 311-3268 phone, (480) 926-3598 fax p1050001, d1050024 Rev 2.0 Test Report Revision History Revision Date Revised By Reason for revision 1.0 May 27, 2010 J. Erhard Original Document 2.0 June 21, 2010 J. Erhard Correct typo for power rating Compliance Testing 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 (866) 311-3268 phone, (480) 926-3598 fax p1050001, d1050024 Rev 2.0 List of Exhibits (FCC Certification (Transmitters) - Revised 9/28/98) Applicant: COMTEK Communications Technology, Inc. FCC ID: C6ZBST75-216 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/SAR Report By Compliance Testing: A. Testimonial & Statement of Certification Compliance Testing 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 (866) 311-3268 phone, (480) 926-3598 fax p1050001, d1050024 Rev 2.0 The Applicant has been cautioned as to the following: 15.21 Information to the User The user’s 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 § 2.959 of this chapter, shall ensure that these special accessories are provided with…

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Page 1 of 2 Test Setup Photos: COMTEK: BST 75-216 Conducted Radiated #1 Page 2 of 2 Radiated #2