Related Manuals for Lectrosonics UH400
Summary of Contents for Lectrosonics UH400
- Page 1 UH400 FREQUENCY-AGILE PLUG-ON UHF TRANSMITTER OPERATING INSTRUCTIONS and trouble-shooting guide LECTROSONICS, INC. Rio Rancho, NM www.lectrosonics.com...
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Page 2: Table Of Contents
TROUBLESHOOTING .................... 8 SPECIFICATIONS AND FEATURES ..............10 SERVICE AND REPAIR ..................11 RETURNING UNITS FOR REPAIR ..............11 WARRANTY ................... Back cover The UH400 transmitter is FCC type accepted under Part 74: 470 - 608MHz and 614 - 806MHz LECTROSONICS, INC. -
Page 3: General Technical Description
Because it uses an analog FM link, the Digital Hybrid enjoys all The Lectrosonics Digital Hybrid system overcomes channel noise the benefits of conventional FM wireless systems, such as excel- in a dramatically new way, digitally encoding the audio in the lent range, efficient use of RF spectrum, and long battery life. -
Page 4: Controls And Functions
RF signal is applications. present on the carrier frequency of the system. The UH400 CONTROLS AND FUNCTIONS MODULATION LEDs –10 –20... - Page 5 2 or 3 are DC connected to ground, Preamp then you will draw maximum current from the power supply. The UH400 is fully protected against such shorts but the 9 Volt battery 1000 will be drained at twice its normal rate.
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Page 6: Operating Instructions
Pull on mic to insure locking. Attaching the Microphone 1. Insert the UH400 into the selected microphone. Listen for the 5. While speaking or singing at the same voice level that will “click” that indicates the transmitter has locked on to the actually be used, observe the MODULATION LEDs. - Page 7 8. Power up the unit. You have now changed the operation mode for the UH400. At power up the UH400 will confirm the current operating mode with the number of blinks of the power LED. The setting will remain the same until you reset it with the procedure listed Frequency select switches, default position (8,8) above.
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Page 8: Troubleshooting
Don’t force the battery door closed. If it is difficult to close, the BATTERY REPLACEMENT battery is in backwards. The UH400 transmitter is powered by a standard alkaline 9 Volt battery. It is important that you use ONLY ALKALINE OR The battery life will be affected by the amount of phantom power LITHIUM batteries for longest life. - Page 9 Frequency Agile Plug-on UHF Transmitter SYMPTOM POSSIBLE CAUSE RECEIVER RF LAMP OFF 1. Transmitter not turned on. 2. Transmitter battery is dead. 3. Receiver antenna missing or improperly positioned. 4. Transmitter and receiver not on same frequency. Check switches/ display on transmitter and receiver. 5.
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Page 10: Specifications And Features
UH400 SPECIFICATIONS AND FEATURES Operating frequencies: 537.600 to 607.900 MHz; 614.100 to 793.500 MHz Frequency selection: 256 frequencies in 100kHz steps RF Power output: 100 mW (nominal) Pilot tone: 25 to 32 kHz; 5kHz deviation (in 400 Series mode) Frequency stability: ±... -
Page 11: Service And Repair
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 modest flat rate plus parts and shipping. -
Page 12: 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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