Related Manuals for Lectronics D4
Summary of Contents for Lectronics D4
- Page 1 INSTRUCTION MANUAL Digital Wireless System Fill in for your records: Serial Number: Purchase Date: Rio Rancho, NM, USA www.lectrosonics.com...
- Page 2 D4T/D4R LECTROSONICS, INC.
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Page 3: Table Of Contents
• Analog in/Analog out (2.2 mS latency) etched nomenclature for durability and legibility. In the 4-channel mode, the D4 system operates on one of four 4.2 MHz channels in the 902 to 928 MHz band. Each channel carries four separate audio sig- nals, digitally multiplexed within a common carrier. -
Page 4: General Technical Description
D4T/D4R General Technical Description D4T Transmitter The transmitter can accept up to four inputs from digi- Analog input signals are sampled at 48kHz and con- tal or analog sources. Inputs 1 and 2 are selectable be- verted to 24-bit digital audio and fed into the FPGA tween two digital channels each or 1 balanced analog for further processing. -
Page 5: D4R Receiver
4-channel Digital Wireless System D4R Receiver The receiver is essentially a mirror image of the trans- From the IQ demodulator through the filters, amplifier mitter. The incoming RF signal is converted back into and baseband ADC, the signal path and processing the baseband signal that was generated in the trans- is the reverse of that in the transmitter. -
Page 6: Front And Rear Panels
D4T/D4R Front and Rear Panels Setup and operation of the transmitter and receiver is The units are powered with an external source of 9 to a straightforward process using an LCD and push but- 16 VDC, with power consumption of 500 mA for the ton interface on the front panels. -
Page 7: Transmitter Input Modes
For example, analog operation: signals can be fed into the transmitter from a mixer or wireless mic receivers, transmitted to the D4 receiver, which can be configured for four digital outputs to feed DIGITAL... -
Page 8: System Setup Steps
System Setup Steps AES3 Modes Use UP/DOWN The following steps are necessary to set up and oper- arrows to select ate the D4 system. Details for each step are on the menu item and next pages. press FUNC to enter setup 1) Attach antennas and power supplies to the trans- mitter and receiver. -
Page 9: D4T Transmitter Audio Level Setup
4-channel Digital Wireless System D4T Transmitter D4R Receiver Audio Level Setup Audio Level Setup Press FUNC and then select the menu item “Audio Press FUNC and then select the menu item “Audio Lev. “ and press FUNC again. The setup screen for Lev. -
Page 10: Antenna Placement And Orientation
D4T/D4R Antenna Placement and Frequency Selection Orientation For a single system, any of the four frequencies can be used for normal operation. With multiple systems oper- ating in the same location, select a different frequency The supplied antenna is a center fed half-wave type for each system. -
Page 11: Replacement Parts And Accessories
4-channel Digital Wireless System Replacement Parts and Accessories Power Supply Lectrosonics PS70 (non-locking) AC power supply with 60320 universal socket on hous- ing, 100-240 VAC, 50/60 Hz, 1.6 A (max) input; 13.8 VDC, 2.8A, 40 W (max) output. Specify the AC power cord needed for your country or application. -
Page 12: Specifications
D4T/D4R Specifications Overall System D4T Transmitter Operating Spectrum: 902 - 928 MHz Power output: 200 mW; spreading algorithm across Center frequencies (MHz): 907.776, 912.387, 916.992, 921.600 4.2 MHz bandwidth Four systems can operate simultaneously for a Power requirements: 9 - 16 VDC total of 16 audio channels. - Page 13 4-channel Digital Wireless System FCC Notice Industry Canada Notices: NOTE: This equipment has been tested and found Operation of this device is subject to the following two to comply with the limits for a Class B digital device, conditions: (1) this device may not cause interference, pursuant to Part 15 of the FCC Rules.
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Page 14: Service And Repair
D4T/D4R Service and Repair If your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equip- ment needs repair. Make sure you have followed the setup procedure and operating instructions. Check the inter- connecting cables and then go through the Troubleshooting section in this manual. We strongly recommend that you do not try to repair the equipment yourself and do not have the local repair shop attempt anything other than the simplest repair. - Page 16 LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping.
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