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Summary of Contents for Lectrosonics UCR411A-25
- Page 1 INSTRUCTION MANUAL UCR411A Digital Hybrid Wireless Compact UHF Receiver ® (US patent 7,225, 1 35) Fill in for your records: Serial Number: Purchase Date: Rio Rancho, NM, USA www.lectrosonics.com...
- Page 2 UCR411A LECTROSONICS, INC.
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Page 3: Digital Hybrid Wireless
UHF Digital Hybrid Wireless™ Receiver Digital Hybrid Wireless ® The Lectrosonics Digital Hybrid Wireless uses innova- ted is digitally encoded, immunity to noise is much higher tive technology to combine the new advantages of digital than a compandor can offer. Because the encoded audio... - Page 4 UCR411A LECTROSONICS, INC.
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Page 5: Table Of Contents
UHF Digital Hybrid Wireless™ Receiver Table of Contents Digital Hybrid Wireless ® ............................................................3 General Technical Description ................................6 Compatibility Modes ....................................6 Diversity Reception ....................................6 RF Frequency Tracking Front-End and Mixer ............................6 Microcontroller, PLL and VCO Circuits..............................6 IF Amplifiers and SAW Filters ................................7 Digital Pulse Counting Detector ................................7 DSP-Based Pilot Tone ...................................7 Supersonic Noise-Based... -
Page 6: General Technical Description
“bag” systems. The UCR411A receiver was designed to operate with Microcontroller, PLL and VCO Circuits Lectrosonics 400 Series transmitters and will yield the The 8-bit microcontroller is truly the “heart” of the best performance when doing so. Due to the flexibility UCR411A receiver. -
Page 7: If Amplifiers And Saw Filters
Because it isn’t simply a sophisticated variable low pass is too weak to achieve an acceptable signal-to-noise ratio. filter as in Lectrosonics’ 195 and 200 Series designs, Under marginal conditions, a variable lowpass filter is rolled much greater transparency is thus obtained. Desired... -
Page 8: Audio Output Level
European Union - Compatible with certain non-Lectrosonics transmitters NOTE: Do not use an alkaline and a LiPolymer rechargeable in the same unit. Standard or “heavy EU IFB European Union - Compatible with all Lectrosonics duty” batteries are not recommended. IFB transmitters. Power Supply EU M6... -
Page 9: Front Panel Controls And Functions
UHF Digital Hybrid Wireless™ Receiver Front Panel Controls and Functions LCD Screen SELECT Up Button LCD Screen MENU Button The LCD Screen is a graphics-type Liquid Crystal Display that is used to monitor system operation and configure the UCR411A. MENU Button The MENU button steps through the four primary win- dows and setup screens. -
Page 10: Main Window (Lcd)
It accumulates hours and minutes that the communications link is active, retaining the timing even when the receiver is off. Note: To reset the battery timer, press and hold MENU and SEL Down together for one second. LECTROSONICS, INC. -
Page 11: Menu Selections From Main Window
UHF Digital Hybrid Wireless™ Receiver Menu Selections from Main Window Note: NA M7 & EU M7 are only available with firmware 6.0 on the audio board. From the Main window, you can navigate to the Fre- When the TUNING mode is set to NORMAL, the SEL quency, Battery Level and Setup windows in a circular Up and Down buttons tune in single channel incre- sequence by pressing the MENU button. -
Page 12: Setup Window
Four different types cally reducing hiss with virtually no of batteries are commonly used in Lectrosonics trans- discernible side effects. In the FULL mitters: 9 Volt alkaline, 9 Volt lithium, AA alkaline, and position, the transparency is superior to the Lectroson- AA lithium. -
Page 13: Tuning Setup Screen
However, once a EU M7 European Union - Compatible with certain frequency has been added to the tuning group, this non-Lectrosonics transmitters* behavior changes to group-mode behavior where the *Contact Lectrosonics for a list of compatible transmitters. Rio Rancho, NM... -
Page 14: Frequency Scan Mode
RF signals are present (or in the worst case, only very weak RF signals). With the cursor on this frequency, simultane- ously press the SEL Up, Down and MENU buttons to leave the scan mode. LECTROSONICS, INC. -
Page 15: Antenna Use And Placement
If dropouts are still a problem, try moving the antenna to receiver. Long cable runs can have antennas to an entirely different location in the room or serious signal loss. Lectrosonics has in-line RF moving them closer to the transmitter location. amplifiers suitable for compensating for long cable runs. -
Page 16: Installation And Operating Instructions
+10dBu line level. Note: The test tone output is especially useful for an exact level match. With the test tone running, adjust for the maximum desired peak level using the metering on the connected device. LECTROSONICS, INC. -
Page 17: Locking And Unlocking The Ucr411A Front Panel Controls
UHF Digital Hybrid Wireless™ Receiver Locking and Unlocking the 5. RF signal strength is indicated by markings in mi- crovolts on the front panel to the left of the LCD. UCR411A Front Panel Controls The front panel controls can be “LOCKED” to prevent Pilot -40 -20 0 dB accidental changes being made during operation and... -
Page 18: Replacing The Batteries
Stuck lithium batteries can be avoided by removing the label wrapping around the battery before use. This will allow the battery to swell but will still leave enough room in the compartment for the battery to fall out normally. LECTROSONICS, INC. -
Page 19: Antenna/Block Reference Table
4.73” 563.200 - 588.700 4.47” 588.800 - 614.300 Orange 4.23” Note: Not all 606.000 - 631.500 (Use Block 24) 4.00” Lectrosonics 614.400 - 639.900 Yellow 4.00” products are built on all of the 640.000 - 665.500 Green 3.80” blocks covered 665.600 - 691.100... -
Page 20: Pre-Coordinated Frequencies
Grp b, and so on. channel wireless systems. The frequencies can be used Grp a and Grp b are with Digital Hybrid and analog Lectrosonics wireless BLOCK 22 compatible with one equipment. Compatibility with other brands is likely, but... -
Page 21: Diagnostics
UHF Digital Hybrid Wireless™ Receiver Diagnostics Multi-channel System Checkout 4. Turn each transmitter off one at a time. Interference can result from a wide variety of sources including TV station signals, other wireless equipment With all transmitters and receivers turned on, turn each transmitter off one at a time, in turn, and look in use nearby, or from intermodulation within a multi- channel wireless system itself. -
Page 22: Replacement Parts And Accessories
500 to 800 MHz range. Ideal for portable applica- tions including temporary setups for field production ARG15-ARG100 Coaxial cables for remote antennas are available from Lectrosonics in a variety of lengths - from 2 to 100 ft. Cables include Velcro tie wraps. 21425 21425 6 ft. -
Page 23: Troubleshooting
UHF Digital Hybrid Wireless™ Receiver Troubleshooting Symptom Possible Cause INITIAL POWER ON LCD display not active or lit. External power supply disconnected or inadequate. Main power supply fuse tripped. Turn the receiver off, remove the cause of the overload and turn the receiver back on. Wrong polarity power source. - Page 24 Audio output level too high for the device the UCR411A is feeding. Lower the output level of the UCR411A. Bad frequency response or generally poor audio quality. Ensure the receiver is set to the compatibility mode that matches the transmitter in use. LECTROSONICS, INC.
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Page 25: Specifications And Features
UHF Digital Hybrid Wireless™ Receiver Specifications and Features Phase invert: Audio output phase normal or inverted Operating Frequencies (MHz): SmartNR (noise reduction): OFF, NORMAL, FULL modes Block 470: 470.100 - 495.600 (available in 400 Series mode only) Block 19: 486.400 - 511.900 Block 20: 512.000 - 537.500 Block 21:... -
Page 26: 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 modest flat rate plus parts and shipping. - Page 27 UHF Digital Hybrid Wireless™ Receiver Rio Rancho, NM...
- Page 28 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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