Lectrosonics LM Скачать руководство пользователя страница 2 | Manualshive

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LM

LECTROSONICS, INC.

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Содержание LM

Страница 1: ...OPERATING INSTRUCTIONS Featuring Digital Hybrid Wireless Technology US Patent Pending FREQUENCY AGILE UHF BELT PACKTRANSMITTER LM LECTROSONICS INC Rio Rancho NM USA www lectrosonics com ...

Страница 2: ...2 LM LECTROSONICS INC ...

Страница 3: ...vided on the LM front panel to make quick and accurate level settings without having to view the receiver The battery compartment accepts any 9 volt battery alkaline or lithium recommended and makes a positive connection via self adjusting contacts The antenna is a super rugged permanently attached 1 4 wavelength design made of flexible galvanized steel cable Only the LM transmitter is covered in ...

Страница 4: ...rating range and resistance to interference The Lectrosonics Digital Hybrid Wireless system overcomes channel noise in a dramatically new way digitally encoding the audio in the transmitter and decoding it in the receiver yet still sending the encoded information via an analog FM wireless link This proprietary algorithm is not a digital implementation of an analog compandor but a technique which c...

Страница 5: ... altogether Neither of these problems occur in the 400 system PILOT TONE SQUELCH The hybrid system utilizes one of 256 different ultrasonic tones between 25 and 32 kHz that modulate the carrier to operate the receiver squelch The pilot tone frequency is chosen according to which of the 256 channels has been selected by the frequency switch setting The basic benefit of the pilot tone squelch system...

Страница 6: ...t where the Power LED will glow red or go out completely If in doubt replace the battery with a known new battery prior to starting the program If the Power LED fails to glow when the LM is turned on replace the battery A NiMH batteries give little or no warning when they are depleted If you wish to use NiMH batteries in the LM transmitter you will need to manually keep track of the operating time...

Страница 7: ...ture Lithium batteries can provide up to 13 hours and will work at lower tempera tures The battery status circuitry is designed for the voltage drop over the life of alkaline batteries NiMH rechargeable batteries will also work although they provide fewer hours of opera tion and will run down quite abruptly Because of this using the Power LED to verify battery status not reliable with NiMH batteri...

Страница 8: ...g enough for the front panel LEDs to light up and then turn the unit off 5 Change the Frequency Select Switch settings to one of the following positions Lectrosonics 100 Series mode 1 1 Lectrosonics 200 Series mode 2 2 mode 3 contact the factory for details 3 3 Digital Hybrid Wireless 400 Series mode 4 4 IFB mode 5 5 6 Turn on the transmitter wait until the front panel LEDs glow then turn it off a...

Страница 9: ...ck this adjustment as each new person uses the system If several different people will be using the transmitter and there is not time to make the adjustment for each individual adjust it for the loudest voice ADJUSTING THE TRANSMITTER FREQUENCY If you are experiencing interference from another signal on your operating frequency you may need to change the operating frequency of your system This is ...

Страница 10: ...lso the shield ground for dynamic microphones and line level inputs PIN 2 Shield ground for negative biased electret lavalliere microphones Bias voltage source for positive biased electret lavalliere microphones PIN 3 Low impedance microphone level input for dynamic microphones Also accepts hand held electret microphones that have their own battery or power supply PIN 4 4 k Ohm source load for non...

Страница 11: ...oom is required insert a 100 k resistor in series with pin 5 Audio Put this resistor inside the TA5F connector to minimize noise pickup For situations where lower than normal line levels less than 1 V are expected use the Lower Line Level Hook Up Signal Hot Audio to pin 5 Signal Gnd Shield to pin 1 and pin 4 jumpered to pin 1 This configuration provides 20 dB attenuation to the input signal WIRING...

Страница 12: ...1 Receiver output level set too low 2 Receiver output is disconnected cable is defective or miswired 3 Sound system or recorder input is turned down DISTORTED SOUND 1 Transmitter gain audio level is too high Check Modulation LEDs on transmitter and receiver as transmitter is being used Refer to Attaching and Microphone and Adjusting Gain in this manual 2 Receiver output may be mismatched with the ...

Страница 13: ...nvelope soft limiter provides exceptionally good handling of transients using variable attack and release time constraints Gain control range 43 dB semi log rotary control Modulation indicators Dual bicolor LEDs indicate modulation of 20 10 0 10 dB referenced to full modulation Low frequency roll off 12 dB octave 70Hz Audio frequency response overall system 90 Hz to 20 kHz 1 dB with the 70Hz low f...

Страница 14: ...rge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs RETURNING UNITS FOR REPAIR You will save yourself time and trouble if you will follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by letter or by phone We need to know the nature of the problem the model number and the serial number of th...

Страница 15: ...15 Frequency Agile UHF Belt Pack Transmitter Rio Rancho NM USA ...

Страница 16: ...s Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire remedy of the purchaser for any breach of warranty as outlined above NEITHER LECTROSONICS INC NOR ANYONE INVOLVED IN THE PRODUCTION OR DELIVERY OF THE EQUIPMENT SHAL...

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