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Summary of Contents for Lectrosonics UM500
- Page 1 UM500 FREQUENCY-AGILE UHF BELT-PACK TRANSMITTER (Includes IFB Compatibility Mode) OPERATING INSTRUCTIONS 0560 LECTROSONICS, INC. Rio Rancho, NM www.lectrosonics.com...
- Page 2 UM500 LECTROSONICS, INC.
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Page 3: Table Of Contents
80 years of engineering experience with the very latest components, in a design that addresses the most demanding professional applications. The design of the UM500 was the direct result of numerous conversations with users, staging and touring companies and dealers across the US. The specific concerns and needs brought up in these conversations led directly to the development of the operational features offered on the UM500. -
Page 4: General Technical Description
RF signal is present on the carrier frequency of the system. The UM500 extends this concept even further by insuring that all transmitters in a system have different pilot tone frequencies so that even spurious RF from the wrong transmitters can’t open the... -
Page 5: Input Limiter
ANTENNA The antenna on the UM500 consists of a flexible 1/4 wavelength bronze cable, detachable via an SMA connector. The impedance of this connector is 50 Ohms. -
Page 6: Controls And Functions
Note A NiMH battery will give little or no warning when it is depleted. If you wish to use NiMH batteries in the UM500, we recommend trying fully charged batteries in the unit, noting the length of time that the batteries will run the unit and in the future use somewhat less than that time to determine when the battery needs to be replaced. -
Page 7: Modulation Leds
WARNING USE ONLY THE SCREW THAT IS SUPPLIED The circuitry is tightly packed into this unit. A longer screw will permanently damage the transmitter! Use only Lectrosonics PN:28528 which is a Phillips head, 4-40 x 3/16", Belt Clip FL100 screw. -
Page 8: Battery Installation
SELECTING THE COMPATIBILITY MODE All units are capable of working with Lectrosonics 110 series analog , 300 series analog, 500 series digital hybrid or some other analog wireless receivers (contact the factory for details). The transmitter must be set to the operating mode of the matching receiver, which is easily done using only the supplied screwdriver and a battery. -
Page 9: Attaching A Microphone And Adjusting Gain
Frequency-Agile UHF Belt-Pack Transmitter The –20 and –10 LEDs will blink: • Once for 110 Series mode • Two times for 300 Series mode • Three times for some other receivers • Four times for 500 Series mode • Five times for IFB mode* At powerup the transmitter will confirm the current compatibility mode with the number of blinks listed here. -
Page 10: Microphone Cord Termination
UM500 MICROPHONE CORD TERMINATION Caution When wiring the connector, do not use the connector body for any electrical connections. A common mistake is to use the connector body as an audio ground. The connector body is already used as an RF ground on VHF models and no other use is permitted. -
Page 11: 5-Pin Input Jack Wiring
Low impedance microphone level input for dynamic microphones. Also accepts hand-held electret micro phones provided the microphone has its own built-in battery. PIN 4 4K Ohm source load for non-Lectrosonics electret microphones. Use in conjunction with other pins to provide attenuation of high level input signals. PIN 5 High impedance, line level input for tape decks, mixer outputs, musical instruments, etc. -
Page 12: Line Level Signals
Leaded capacitors: P/N 15117 Leadless capacitors: P/N SCC330P All Lectrosonics lavaliere mics are already bypassed and do not need any additional capacitors installed for proper operation. Caution When wiring the connector, do not use the connector body for any electrical connections. A common mistake is to use the connector body as an audio ground. -
Page 13: Troubleshooting
Frequency-Agile UHF Belt-Pack Transmitter TROUBLESHOOTING Before going through the following chart, be sure that you have a good battery in the transmitter. It is important that you follow these steps in the sequence listed. SYMPTOM POSSIBLE CAUSE TRANSMITTER BATTERY LED OFF 1) Battery is inserted backwards. -
Page 14: Specifications And Features
1996 and I ETS 300 422 (December 1995). A copy of the Declaration of Conformity may be requested from your dealer or by contacting the factory directly: Lectrosonics, Inc. Marketing Department 581 Laser Rd. NE, Rio Rancho, NM 87124 USA tel: 505-892-4501 fax: 505-892-6243 e-mail: marketing@lectrosonics.com LECTROSONICS, INC. - Page 15 Frequency-Agile UHF Belt-Pack Transmitter Rio Rancho, NM – USA...
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Page 16: Limited One Year Warranty
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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