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DCR822

Compact Dual Channel Digital Receiver

DCR822-A1B1, DCR822-B1C1, DCR822-941

INSTRUCTION MANUAL

Rio Rancho, NM, USA

www.lectrosonics.com

Fill in for your records:

Serial Number:

Purchase Date:

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)

Содержание DCR822

Страница 1: ...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 ...

Страница 2: ...DCR822 LECTROSONICS INC 2 ...

Страница 3: ... 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 Locking and Unlocking the Front Panel Controls 20 Firmware Update 21 Diagnostics 22 Multi channel Sy...

Страница 4: ...DCR822 LECTROSONICS INC 4 General Technical Description DCR822 Block Diagram ...

Страница 5: ...igital and Hybrid transmission technology combined with flat response to 20 kHz makes it possible to hear the 120 dBV noise floor in the transmitter s mic preamp or the usually greater noise from the lav microphone itself To put this in perspective the noise generated by the recommended 4 k bias resistor of many electret lavaliere mics is 119 dBV and the noise level of the microphone s electronics...

Страница 6: ...unction for use in situations where the absolute minimum equipment is necessary or as a backup to the main recorder system The recorder samples at 48kHz rate with a 24 bit sample depth The micro SDHC card also offers easy firmware update capabilities without the need for a USB cable or driver issues Clock Function The DCR822 has a built in calendar and clock that are saved with power down If the b...

Страница 7: ...e recorder These are typically used with later genera tion video systems and cameras for image applications video and high resolution high speed photography ONLY microSDHC memory cards should be used They are available in capacities from 4GB to 32GB Look for the Speed Class 10 cards as indicated by a C wrapped around the number 10 or the UHS Speed Class I cards as indicated by the numeral 1 inside...

Страница 8: ...iere microphones and belt pack trans mitters however phase will vary with different types of microphones 2 wire vs 3 wire for example The audio output is balanced but not floating so an unbalanced signal is available using pin 1 as ground and pin 2 as signal leaving pin 3 open Power Input Jack The power input jack can accept 9 17 VDC the center pin is positive and sleeve is ground The input is dio...

Страница 9: ...requency is not in the currently selected group If it is steady it means that the currently tuned frequency is in the selected group Navigating the Menus From the Main Window press MENU SEL to enter the menu then navigate with the UP and DOWN arrows to highlight the desired setup item Press MENU SEL to enter the setup screen for that item Refer to the menu map on the following pages Replacing the ...

Страница 10: ...DCR822 LECTROSONICS INC 10 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 ...

Страница 11: ...ower Universal Select option with arrow buttons to select BACK RX Power Backlight Backlight always on 30 seconds 5 seconds Select option with arrow buttons to select BACK On Off Select option with arrow buttons to select BACK IR Keys Settings Select option with arrow buttons to select Send Freq Select option with arrow buttons to select Send Frequency send key press menu sel Lock Settings Unlocked...

Страница 12: ...ns to select BACK On Off Select option with arrow buttons to select BACK TX Batt Timer TX Batt Timer Select option with arrow buttons to toggle Hour 3 Min 1 Time 0 04 25 Reset menu up rrow buttons row buttons RX Batt Type Alk Lith Select option with arrow buttons to select BACK Settings Locale Locale About About DCR822 Locale NA EU Select option with arrow buttons to select BACK Band A1B1 V0 51 0 ...

Страница 13: ...ver is powered off a new key must be generated and sent to the transmitter In encryption terms this is the one time use key management policy Encryption Keys The DCR822 generates high entropy encryption keys to sync with encryption capable transmitters The user must select a key type and create a key in the DCR822 and then sync the key with the transmitter 1 Begin by selecting a key type IR Keys K...

Страница 14: ...nterference Pilot Bypass Allows the user to bypass the pilot tone on each channel Audio Settings Audio Level Allows user to set Audio Level per channel Also allows user to enable 1kHz audio tone for level setting Compat Mode Allows user to set compatability mode per channel Choose from D2 JA Hybrid NU Hybrid EU Hybrid NA Hybrid High Density Mode DCHX on both channels DCHX on channel 1 or 2 Duet on...

Страница 15: ...frequencies contained in thetuning group The groups are created using Lectrosonics DCR822 receiver or via Wireless Designer then the groups are shared with the via IR sync or microSDHC Memory Card transmission Use UP and DOWN arrows to toggle and MENU SEL to save group Recovering an Interrupted Recording Recordings can be reliably recovered even if the microSDHC memory card is accidentally removed...

Страница 16: ...mber of hours and minutes The default sug gestion will be the approximate length of the most recent recording It is always safe to recover a longer recording than was made To specify the recovery time use the MENU SEL button to navigate and specify the hours and minutes fields Once set as desired use MENU SEL to navigate to the GO soft button and press the DOWN arrow button to begin the recovery p...

Страница 17: ...whips can point upward as shown in these diagrams but they will work just as well with the whip pointing downward Mount the transmitter so that the whip is vertical and not in direct contact with the wearer s body or metallic objects in clothing and costuming AMJ Rev A Jointed Antenna The AMJ 944 Rev A antenna is a general purpose design with a hinged joint that pivots in both directions for posit...

Страница 18: ...ssive splitter to feed two receivers This is one example of using two splitters to feed two receivers for either ratio or antenna switching diversity Use Lectrosonics P N 21770 BNC F to SMA M adapter Pomona P N 4290 PCA900 COAXIAL CABLE ZSC24 SPLITTER Tx WEAK SIGNAL STRONG SIGNAL Tx Tx WEAK SIGNAL ANTENNA ORIENTATION The elements of both antennas should be parallel to each other for maximum signal...

Страница 19: ...d block the exact length is not critical for useful performance in whip dipole and coaxial designs BLOCK FREQUENCY CAP ANTENNA RANGE COLOR WHIP LENGTH 470 470 100 495 600 Black w Label 5 47 141 2 mm 19 486 400 511 900 Black w Label 5 19 133 9 mm 20 512 000 537 500 Black w Label 4 95 126 2 mm 21 537 600 563 100 Brown 4 73 119 6 mm 22 563 200 588 700 Red 4 47 113 8 mm 23 588 800 614 300 Orange 4 23 ...

Страница 20: ...er if fully modulated its limiter will prevent any further increases in level The receiver output circuitry is set to run at full output and the level control is simply an attenuator There is no difference in signal to noise ratio across the entire adjustment range of the receiver output level The transmitter input gain is the critical adjust ment that will affect the signal to noise ratio 6 Adjus...

Страница 21: ... off NOTE If the unit screen shows FORMAT CARD power the unit off and repeat step 2 You were not properly pressing UP DOWN and Power at the same time 4 Use the arrow buttons to select Update Use the UP and DOWN arrow buttons to select the desired file and press MENU SEL to install the firmware The LCD will display status messages while the firmware is being updated 5 When the update is complete th...

Страница 22: ...eiver modules are on clear channels go to step 3 3 Turn each transmitter on one at a time Start with all transmitters turned off As you turn on each one look at the matching receiver to verify a strong RF signal is received Then look at the other receivers and see if one of them is also picking up the signal Only the matching receiver should indi cate a signal Change frequencies on either system s...

Страница 23: ...ailable in Block 19 or 22 AMJ XX Antenna with swiveling SMA connector 21926 USB Cable for Firmware Updates MLSRXLR Audio Cable for SR Receiver TA3F Plug to XLRM 18 in DCR82215 4AU Power Supply with Universal Socket for DR 4ADC 100 240V in 15VDC Regulated Output P1371 micro SDHC slot dust cover P1401 Nylon SD slot dust cover Replacement Parts and Accessories CCMINI 55010 DCR82215 4AU AMJ XX 21926 M...

Страница 24: ...ot be in the wireless system Turn the transmitter audio gain all the way down and see if the noise remains If the noise remains then turn the power off at the transmitter and see if it remains 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 lo...

Страница 25: ...Dual Channel Digital Receiver Rio Rancho NM 25 ...

Страница 26: ...z Dimensions 3 23 wide x 1 23 high x 4 75 deep 82 042 wide x 31 242 high x 120 650 deep mm Specifications and Features Recorder Storage media microSDHC memory card File format wav files BWF A D converter 24 bit Sampling rate 48 kHz Recording modes Bit rate 24 bit 144 kbytes s per channel up to 4 Audio Performance Frequency response 25Hz to 20 kHz 0 3 dB Dynamic range 110 dB A before limiting Disto...

Страница 27: ...ranty repairs Returning Units for Repair For timely service please follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by email or by phone We need to know the nature of the problem the model number and the serial number of the equipment We also need a phone number where you can be reached 8 A M to 4 P M U S Mountain Standard Time B After receivin...

Страница 28: ...DCR822 LECTROSONICS INC 28 ...

Страница 29: ...Dual Channel Digital Receiver Rio Rancho NM 29 ...

Страница 30: ...rosonics Inc will pay for the cost of returning your equipment to you This warranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire remedy of the purchaser for any brea...

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