Related Manuals for Comtek BST 75-216
Summary of Contents for Comtek BST 75-216
- Page 1 BST 75-216 OPERATOR’S MANUAL (216 MHz) Mini Base Station Transmitter 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • www.comtek.com...
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Page 2: Table Of Contents
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. ® © 2011 COMTEK All rights reserved Printed in U.S.A. 01-05-2011... -
Page 3: Introduction
BST 75-216 Mini Base Station Transmitter he 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”... -
Page 4: Equipment Placement
OPERATING INSTRUCTIONS 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. -
Page 5: Remote Antenna
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 when greater coverage is required, the Phase-Right or Mini-Mite 1/2 wave omni antenna should be used. -
Page 6: Audio Input Connections
OPERATING INSTRUCTIONS 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 or unbalanced line level signal up to +20 dBm. The 1/4”... -
Page 7: Audio Processing Circuit
In order to accommodate a greater variety of receivers, the BST 75-216 transmitter incorporates the option to operate with receivers that have companded or non-companded audio processing. -
Page 8: Front And Rear Panel Facilities
VU METER: Displays the audio level being used for modulation. (See Audio Adjustment Section.) ANTENNA INDICATOR: Flashes when transmitter detects coaxial cable shorts and open conditions, bad antenna load. RACK-MOUNTING SCREWS: Used for mounting BST 75-216 to rack-mounting panels. Page 6... - Page 9 BST 75-216 REAR PANEL Located on bottom of transmitter DC INPUT JACK: Requires 12V DC at 200 mA source. (Positive or negative center pin.) CHANNEL SELECTOR SWITCH: Selects the frequency on which the transmitter will operate. (See Frequency Information Section.) EXTERNAL ANTENNA JACK: BNC connector provides a standard 50 ohm RF output for use with an external antenna.
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Page 10: Frequency Information
BST 75-216 FREQUENCY INFORMATION SELECTED CHANNELS AVAILABLE 216 MHz “FLASH MEMORY” (STANDARD PROGRAM) PROGRAMMABLE CHANNELS Companded Non-Companded Channels Channels SWITCH CHANNEL FREQUENCY CHANNEL POSITION CHANNEL FREQUENCY FREQUENCY 216.0250 MHz 216.0125 MHz WIDE BAND COMPANDED CHANNELS 216.0750 MHz 216.0375 MHz 216.1250 MHz 216.0625 MHz... - Page 11 Transmitter should have a 100 ft. separation minimum separation. Channel Programming Custom “Flash Memory” programming can be done before or after sale to accommodate special frequency groups. Frequency selection software may be downloaded from COMTEK’s website at www.comtek/support.html Page 9...
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Page 12: Accessories
BST 75-216 ACCESSORIES Included Accessories 1. C-75 Carrying case 2. BST 75-216 Operator’s manual 3. SLW 75-216 Short loaded whip antenna and bracket 4. AP-12V1-75 Universal switching power supply (12V DC output) 5. BST 75-216 Base station transmitter Page 10... -
Page 13: Accessories
BST 75-216 ACCESSORIES Optional Accessories 1. Mini-Mite 1/2 wave omni antenna 2. Phase-Right coaxial antenna 3. PRA Phase-Right antenna mount 4. HM-100 Behind-the-neck directional boom microphone with 1/4” phone jack plug 5. RMK 75-4 Quad rack-mount face plate 6. RMK 75-2 Double rack-mount face plate 7. -
Page 14: Specifications
BST 75-216 SPECIFICATIONS Modulation Limiter: Audio Inputs: • Line level balanced input Peak compressor type with high linear overload protection 0 dBm for 80% modulation (+20 dBm max, XLR-3F) (25 dB). Attack time less than • Unbalanced input (+5 dBm Max) or... -
Page 15: Warranty And Service
COMTEK will pay for insurance and ground return shipping costs in the United States for all warranty service. 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • www.comtek.com E-mail: sales@comtek.com... - Page 16 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • www.comtek.com...
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