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Summary of Contents for Lectrosonics ALP690
- Page 1 INSTRUCTION MANUAL ALP690 Active LPDA Antenna Fill in for your records: Serial Number: Purchase Date: Rio Rancho, NM, USA www.lectrosonics.com...
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Page 2: Features And Functions
ALP690 Features and Functions The ALP690 is a high performance LPDA (log periodic dipole array) antenna with a built-in RF amplifier for use with wireless microphone receivers on location or studio production. The antenna design delivers +4 dBd of passive gain in a directional pattern to extend oper- ating range and suppress signals from the rear. - Page 3 • Connect the equipment into an outlet on a circuit different from that which the receiver is connected • Consult the dealer or an experienced radio/TV technician for help Changes or modifications to this equipment not expressly approved by Lectrosonics, Inc. could void the user’s authority to operate it. Rio Rancho, NM...
- Page 4 NOTE: The antenna will automatically switch to the passive mode whenever no DC bias is present on the BNC connection 9 to 16 VDC BIAS-T DC POWER TO ALP690 RF OUT RF OUT BIAS-T 9 to 16 VDC ANT A...
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Page 5: Display Brightness
Active LPDA Antenna Mounting Adjusting gain The mounting block The RF amplifier applies 12dB of gain. Built-in attenu- supplied with the ators can be applied in 1dB steps to reduce the gain antenna provides from +12dB down to -6dB. threaded openings •... -
Page 6: Optional Accessories
ALP690 Optional Accessories Specifications Pattern Gain: +7 dBi (isotropic) ALPKIT +4 dBd (over dipole) Includes threaded sleeves and an all-thread stud for Passband: Passive: 450 - 850 MHz mounting on 1/4-20 and 3/8-16 tripods and 1/2 inch Active: 470 - 608 or 470 - 700 MHz, selectable... -
Page 7: Service And Repair
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 mod- est flat rate plus parts and shipping. - Page 8 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. cannot correct the defect in your equipment, it will be replaced at no charge with a similar new item.
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