Related Manuals for Lectrosonics UDR200C
Summary of Contents for Lectrosonics UDR200C
- Page 1 UDR200C RATIO DIVERSITY UHF RECEIVER OPERATING INSTRUCTIONS and troubleshooting guide LECTROSONICS, INC. Rio Rancho, NM www.lectrosonics.com...
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Page 3: Table Of Contents
USING THE LED INFORMATION DISPLAY ............10 UDRPANEL SOFTWARE ..................12 ANTENNA USE AND PLACEMENT ..............17 TROUBLESHOOTING ..................18 UDR200C REPLACEMENT PARTS and ACCESSORIES ......... 19 LecNet COMPUTER INTERFACE ............... 20 LecNet SOFTWARE PROTOCOL ................ 21 SPECIFICATIONS AND FEATURES ..............24 SERVICE AND REPAIR .................. -
Page 4: General Technical Description
GENERAL TECHNICAL DESCRIPTION The UDR200C consists of two high performance, triple-conver- a limited tool at that. The first line of defense must be the sion receivers operating simultaneously. The audio outputs of system’s basic immunity to interference. That required a new the receivers are blended in a ratio controlled by the compara- look at frequency agile receiver design. -
Page 5: Digital Pulse Counting Detector
SURFACE ACOUSTIC WAVE FILTER pulse. The two resulting audio signals from the A and B re- The UDR200C is unique in that it uses a state of the art SAW ceiver channels are then combined to achieve the maximum filter in the IF section. The SAW filter is the only filter that can benefits of diversity reception. -
Page 6: Audio Output
Other Lectrosonics equipment is not transformer coupled and will work without the pin 3 ground PILOT TONE MUTE (SQUELCH) connection. -
Page 7: Front Panel Controls And Functions
FRONT PANEL CONTROLS AND FUNCTIONS PILOT INDICATOR TRANSMITTER AUDIO LEVEL The audio output muting (squelch) function of the UDR200C is The modulation (audio level) of the incoming signal is indicated controlled by a 33kHz tone modulation of the RF carrier. The by a fast responding LED strip. -
Page 8: Rear Panel Controls And Functions
The ear is sensitized or fooled by hiss to “hear” more fuse in case the UDR200C is connected to a positive ground high frequencies. The second mode, “LOW RF ONLY”, oper- device through the audio cabling. -
Page 9: Installation And Operating Instructions
(hiss) along with the audio. Note: If two or more UDR200C receivers are used together and the LecNet computer interface is used, a unique LecNet address must be entered into each receiver. See page 10 under Set LecNet Address . -
Page 10: Using The Led Information Display
MENU POWER The UDR200C can tune to 256 channels in all, but special In the UNLOCKED mode, all receiver menu options may be groups of channels may be programmed for quick, convenient adjusted. In the HARD LOCKED mode, the MENU button may access. - Page 11 In the center is the UHF TV channel with a special power-up button sequence or with the associated with this frequency. On UDR200C models, U.S. TV UDRpanel software. A receiver that is merely Locked can be channels are shown, and on UDR300C models, European TV unlocked from the front panel.
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Page 12: Udrpanel Software
UDRPANEL SOFTWARE Startup Window The UDR series receivers are supplied with a PC software control program called UDRpanel. With UDRpanel is it pos- sible to do things with the receiver that cannot be accom- plished from the front panel. These special capabilities include: •... -
Page 13: Main Window
Wireless Diversity Receiver Main Window The Pilot indicator is green when a pilot tone is present, red when no pilot tone is present, and yellow when the pilot tone detection feature of the receiver has been bypassed. RF A and RF B give a relative indication of RF signal strength at the two antennas. -
Page 14: File Menu
File Menu Options Window The file menu lets you create, save and load configurations, as well as exit the program. Edit Menu The Options window lets you customize UDRpanel for your individual use. The COM Port connected to your LecNet serial cable is specified here. - Page 15 It is perfectly normal The Tuning and Groups frame shows the receiver’s current for the older UDR200B to scan half as fast as the UDR200C. tuning and allows it to be tuned in real time. Each receiver has four groups of up to 16 named frequencies each.
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Page 16: Receiver Menu
Receiver Menu The receiver menu lets you change the pilot bypass status or lock status of a receiver. If Pilot Bypass is enabled, the receiver audio is never muted, even when a valid pilot tone is not present. There are three choices for Lock Status: not locked, locked, and hard locked. -
Page 17: Antenna Use And Placement
This may alleviate the dropout problem the rear panel of the UDR200C receiver, and the other one on that antenna. If dropouts are still a problem, try moving the mounted remotely. -
Page 18: Troubleshooting
• If noise is still present when the transmitter is turned off, try lowering the audio output level on the UDR200C rear panel and see if the noise lowers correspondingly. If the noise remains, the problem is not in the receiver. -
Page 19: Udr200C Replacement Parts And Accessories
A500RA Right angle, flexible whip UHF antenna 21499 Replacement AC power cord RMP200-1 Rack mount kit for single UDR200C receiver RMP200-2 Rack mount kit for two UDR200C receivers AY3U-550 Optional Remote Antenna, 3-element YAGI, +4.5dBD, 500 to 600 MHz range AY3U-650 Optional Remote Antenna, 3-element YAGI, +4.5dBD, 600 to 700 MHz range... -
Page 20: Lecnet Computer Interface
Connecting LecNet devices to a host using the LecNet is Wiring Diagram, 25 Pin D-Sub straightforward. Using the special LecNet RS-232 cable (Lectrosonics Part #21529), simply connect Com1, 2, 3 or 4 on LecNet Device Transmit the host to the LecNet 3.5mm input on one of the LecNet... -
Page 21: Lecnet Software Protocol
9600 baud, no parity, 8 data bits, 1 stop bit. This must only be done once when the host is initialized. 1) Host sends device address. For a factory default UDR200C, this would be 150, or 96 hex (1 byte);... - Page 22 Host receives length byte - 7 (decimal) This is the length of the string to follow. Host receives name string - The 7-byte ASCII string, “UDR200C” or “UDR300C”. Get Receiver Block - Retrieves the frequency block information for the receiver.
- Page 23 Wireless Diversity Receiver Set Lock Status - Sets the front panel lock status of the receiver. Host sends command - 7 (7 hex) Host sends data byte - 0=hard locked, 1=not locked, 2=locked Get Lock Status - Gets the front panel lock status of the receiver. Host sends command - 8 (8 hex) Host receives data byte - 0=hard locked, 1=not locked, 2=locked Set Channel Group - Selects the active channel group.
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Page 24: Specifications And Features
SPECIFICATIONS AND FEATURES Operating Frequencies: 537.600 to 865.000 MHz Frequency Adjustment Range: 25.5 MHz Receiver Type: Triple conversion, superheterodyne, 71MHz, 10.7MHz and 300kHz Frequency Stability: ±0.002 % Front end selectivity: >22 dB at ±4 MHz Sensitivity 20 dB Sinad: 0.707 uV (-110 dBm), A weighted 60 dB Quieting: 1.0 uV (-107 dBm), A weighted Squelch quieting:... -
Page 25: 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 equip- ment. In-warranty repairs are made at no charge in accordance with the terms of the war- ranty. -
Page 26: 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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