Lectronics DCR822 Instruction Manual
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Lectronics DCR822 Instruction Manual

Compact dual channel digital receiver
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DCR822
Compact Dual Channel Digital Receiver
DCR822-A1B1, DCR822-B1C1, DCR822-941
Fill in for your records:
Serial Number:
Purchase Date:
INSTRUCTION MANUAL
Quick Start Summary
The following checklist includes the minimum required
settings to start using the receiver.
• Connect power to the receiver or install batteries
• Set the COMPAT (compatibility) mode for the trans-
mitters to be used
• Choose clean frequencies for your receiver chan-
nels using SmartTune or RF scan
• Set transmitters on the matching frequencies (see
transmitter manual) or use IR sync
• Verify transmitters are set to the same compatibility
mode as the receiver (see transmitter manual).
• Adjust transmitter input gain to match voice level
and mic position (see transmitter manual).
• Adjust receiver output level as needed for the
camera or mixer input level desired
• Turn on transmitter RF signals (see transmitter
manual)
Rio Rancho, NM, USA
www.lectrosonics.com

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  • Page 1 INSTRUCTION MANUAL DCR822 Compact Dual Channel Digital Receiver DCR822-A1B1, DCR822-B1C1, DCR822-941 Quick Start Summary The following checklist includes the minimum required settings to start using the receiver. • Connect power to the receiver or install batteries • Set the COMPAT (compatibility) mode for the trans- mitters to be used •...
  • Page 2 DCR822 LECTROSONICS, INC.

  • Page 3: Table Of Contents

    Power Input Jack ..............8 USB Port ................8 Battery Compartment............8 LCD Main Window..............9 Navigating the Menus ............9 DCR822 LCD Menu Map ............10 Menu Item Descriptions ............13 Recovering an Interrupted Recording .........16 Antenna Mounting and Orientation ........17 Antenna/Block Reference Table ..........19 Installation and Operating Instructions ......20 Finding Clear Frequencies ..........20...

  • Page 4: General Technical Description

    DCR822 General Technical Description DCR822 Block Diagram LECTROSONICS, INC.
  • Page 5 To assist in matching the audio levels of equipment con- receiver, to significantly reduce unwanted interfer- nected to the DCR822, a 1 kHz audio test tone, adjust- ence and intermodulation problems, the DCR822 has able from -50 to +7 dBu in 1 dB increments, is available a frequency selective front-end section that tracks at the outputs.
  • Page 6 5 seconds, 30 seconds, or never. Recorder Function The DCR822 has a built in recording function for use in situations where the absolute minimum equipment is necessary, or as a backup to the main recorder system.

  • Page 7: Compatibility With Microsdhc Memory Cards

    Dual Channel Digital Receiver Compatibility with microSDHC memory cards Please note that the DCR822 is designed for use with microSDHC memory cards. There are several types of SD card standards (as of this writing) based on capacity (storage in GB).

  • Page 8: Front Panel Controls And Functions

    The unit is sent with a locking plug. USB Port The USB port can be used to connect the DCR822 to the Lectrosonics Wireless Designer software (pending). Battery Compartment Four AA batteries are installed as marked on the side panel of the receiver.

  • Page 9: Lcd Main Window

    Dual Channel Digital Receiver Main Window (LCD) Channel Antenna The Main Window displays information concerning the Status Status RF levels at each antenna per channel, the condition of the Pilot Tone (Hybrid) or Link (digital), and battery conditions for both the receiver and the associated transmitters.

  • Page 10: Dcr822 Lcd Menu Map

    DCR822 DCR822 LCD Menu Map The menus presented on the LCD are arranged in a straightforward manner, with those that are likely to be used more often located at the top of the tree. LECTROSONICS, INC.
  • Page 11 Dual Channel Digital Receiver DCR822 LCD Menu Map Select option with arrow buttons Send Frequency Send Freq IR & Keys send key to select. press menu/sel Send All Select option with arrow buttons Send All Sync 1 ----> to select.
  • Page 12 Get Freq to send key. get frequency press menu/sel DCR822 Get Key Get All to get key. wipe key DCR822 LCD Menu Map press menu/sel Select option with arrow buttons Key Type Key Type to select. BACK Universal Lock Settings?

  • Page 13: Menu Item Descriptions

    The DCR822 has four options for encryption keys: • Standard: This is the most basic level of security. Each encryption key is unique to the DCR822 and there are only 256 key instances available to be transferred to a transmitter. The receiver tracks the number of keys gener- ated and the number of times each key is transferred.
  • Page 14 DCR822 RF Setup Smart Tune: Scans a selected transmitter trange and automatically selects a clear channel. Frequency: Allows manual selection of the operating frequency for each channel. Scan: Scans for an open frequency. Shows a graphic representaton of interference in the area, by frequency.
  • Page 15 If a recording is interrupted, all of the audio is present on the card and can be easily recovered by the DCR822. The DCR822 keeps track of the length of the most recent recording so it can supply a good suggestion for the length to recover.

  • Page 16: Recovering An Interrupted Recording

    If “No” is chosen, nothing is done to the card and the DCR822 will not use the card. If “Yes” is chosen”, a prompt ap- pears asking for the length of the recording to recover, specified as a number of hours and minutes. The default sug- gestion will be the approximate length of the most recent recording.

  • Page 17: Antenna Mounting And Orientation

    Dual Channel Digital Receiver Antenna Mounting and AMJ Rev. A Jointed Antenna The AMJ-944 Rev. A antenna is a general purpose Orientation design with a hinged joint that pivots in both directions for positioning the whip at any desired angle. The pivot A variety of accessories are available to enable vari- allows the whips to be oriented vertically regardless of ous antenna mounting options.
  • Page 18 DCR822 A “bendable” mounting strap is included that allows vertical orientation on a variety of surfaces. Several other adapters are also available for temporary or fixed installations. The antenna pattern provides about 3.7 dB of gain, which makes it ideal for use with a passive splitter to feed two receivers.

  • Page 19: Antenna/Block Reference Table

    Dual Channel Digital Receiver Antenna/Block Reference Table The two AMJ UHF whip antennas supplied with the receiver are factory cut to specific frequency blocks as shown in the table below. A colored cap and label are used on blocks 20 through 23, and a black cap and label are used on the other blocks to denote the frequency range of each model.

  • Page 20: Installation And Operating Instructions

    Normal levels should cause the DCR822’s audio level icon to fluc- The RF activity will be indicated by a vertical marker in tuate fully. This will result in the best possible signal the Scan Graph, as shown circled.

  • Page 21: Firmware Update

    In the DCR822: factory. 1) Leave the DCR822 turned off and insert the mi- • DCR822_boot vX_xx.hex is the bootloader file croSDHC memory card into the slot. Follow the same process as with a firmware update and 2) Hold down both the UP and DOWN arrow buttons select the DCR822boot file.

  • Page 22: Diagnostics

    Scanning with the RF spectrum analyzer built into the a clear frequency is found, turn the transmitter on DCR822 system will identify external RF signals, but and move on to the next channel. it does not address the compatibility of the selected frequencies.

  • Page 23: Replacement Parts And Accessories

    Dual Channel Digital Receiver Replacement Parts and Accessories CCMINI CCMINI Zip Pouch for Compact Wireless System 55010 Flash Memory Card, microSDHC memory card to SD Adapter Included AMJ22 Swivelling Whip Antenna with Standard SMA Con- nector, Available in Block 19 or 22. AMJ-XX Antenna with swiveling SMA connector 55010...

  • Page 24: Troubleshooting

    If the noise is still present, then the problem is not in the transmitter. If noise is still present when the transmitter is turned off, try lowering the audio output level on the DCR822 and see if the noise lowers correspondingly. If the noise remains, the problem is not in the receiver.
  • Page 25 Dual Channel Digital Receiver Rio Rancho, NM...

  • Page 26: Specifications And Features

    DCR822 Specifications and Features Receiver Recorder Operating Frequencies (MHz): Storage media: microSDHC memory card NOTE: It’s the user’s Model A1/B1: 470.100 - 614.375 File format: .wav files (BWF) responsibility to select Model B1/C1: 537.600 - 691.175 the approved frequencies A/D converter:...

  • Page 27: Service And Repair

    Dual Channel Digital Receiver Service and Repair If your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equipment needs repair. Make sure you have followed the setup procedure and operating instructions. Check the interconnect- ing cables and then go through the Troubleshooting section in this manual.
  • Page 28 DCR822 LECTROSONICS, INC.
  • Page 29 Dual Channel Digital Receiver Rio Rancho, NM...
  • Page 30 DCR822 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.

This manual is also suitable for:

Dcr822-a1b1Dcr822-b1c1Dcr822-941

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