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DBu
Digital Belt Pack Transmitter
DBu, DBu/E01
Fill in for your records:
Serial Number:
Purchase Date:
INSTRUCTION MANUAL
WARNING: Moisture, including talent's sweat, will
damage the transmitter. Wrap the DBu in a plastic
baggie or other protection to avoid damage.
Rio Rancho, NM, USA
www.lectrosonics.com
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Summary of Contents for Lectronics DBu
- Page 1 INSTRUCTION MANUAL Digital Belt Pack Transmitter DBu, DBu/E01 WARNING: Moisture, including talent’s sweat, will damage the transmitter. Wrap the DBu in a plastic baggie or other protection to avoid damage. Fill in for your records: Serial Number: Purchase Date: Rio Rancho, NM, USA...
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Page 2: Table Of Contents
Programmable Switch Functions ........10 created by a Lectrosonics receiver, such as the DSQD Selecting Battery Type ............10 Receiver. The key is then synced with the DBu via the Remote ................10 IR port. The audio will be encrypted and can only be Locking the Settings ............ -
Page 3: Dsp-Controlled Input Limiter
Digital Belt-Pack Transmitter Servo Bias Input and Wiring DSP-controlled Input Limiter The DBu, DBu/E01 input preamp is a unique design that The transmitter employs a digitally-controlled analog delivers audible improvements over conventional trans- audio limiter prior to the analog-to-digital converter. -
Page 4: Battery Installation
DBu, DBu/E01 Battery Installation The transmitter is powered by two AA batteries. We rec- The battery contacts can be cleaned with alcohol and ommend using alkaline, lithium, or rechargeable batteries a cotton swab, or a clean pencil eraser. Be sure not to for longest life. -
Page 5: Belt Clips
Digital Belt-Pack Transmitter Features and Functions Full access to all settings is provided through the keypad Modulation Programmable IR Port Indicators* Function Switch and LCD. The transmitter can also be configured as a “one button” device by locking the ability to make chang- Antenna es with the keypad, and configuring the top panel switch Audio... -
Page 6: Operating Instructions
DBu, DBu/E01 Main Menu and Setup Operating Instructions Screen Details Powering On in Operating Mode Press and hold the Power Button for several seconds Entering the Main Menu until a moving bar on the LCD progresses. The LCD and keypad interface makes it easy to browse... -
Page 7: Lcd Menu Map
Digital Belt-Pack Transmitter LCD Menu Map Main Menu Tree NOTE: The Select level with arrow buttons G a i n I n p u t G a i n settings will be to select. | - 4 0 | - 2 0 + 0 | stored when the Select option with arrow buttons BACK button... -
Page 8: Gain/Adjusting The Inut Gain
DBu, DBu/E01 gain adjustment set according to these instruc- Menu Item Descriptions tions, and do not change it to adjust the audio output level of the receiver. Input Rolloff (Low Frequency Roll-off) The low frequency audio roll-off is adjustable to optimize... -
Page 9: Rf On
MENU/SEL to save. the matching KEY TYPE in the DBu and transfer the key from the receiver (SYNC KEY) to the DBu via the IR ports. A confirmation message will display on the receiver display (IR SYNC OK) if the transfer is successful. The... -
Page 10: Wipekey
WipeKey BatType This menu item is only available if Key Type is set to Standard, Shared or Volatile. Select Yes to wipe the cur- rent key and enable the DBu to receive a new key. Alk. Lith. WipeKey? If you are using rechargeable batteries, it is better to use the timer function on the receiver to monitor the battery life rather than the indicators on the transmitter. -
Page 11: Locking The Settings
Digital Belt-Pack Transmitter Backlit Sets the screen backlight to be always on, on for 30 sec- onds or on for 5 seconds. LED Off Turns all LEDs on or off. Restoring Default Settings This is used to restore the factory settings. About This shows version and firmware information. -
Page 12: 5-Pin Input Jack Wiring
DBu, DBu/E01 5-Pin Input Jack Wiring Lavalier microphones and adapter cabling used with Audio input jack wiring: digital body pack transmitters should have the shield wire PIN 1 connected to the shell of the microphone plug. Shield (ground) for positive biased electret lavaliere mi- This will reduce the RF energy radiated into the micro- crophones. -
Page 13: Microphone Cable Termination For Non-Lectro Mics
Digital Belt-Pack Transmitter Microphone Cable Termination for Non-Lectrosonics Microphones TA5F Connector Assembly Mic Cord Stripping Instructions VIEW FROM SOLDER SIDE OF PINS 0.15" 0.3" Crimping to Shield and Insulation Strip and position the cable so that the clamp can be crimped to contact both the mic cable shield and the insulation. -
Page 14: Input Jack Wiring For Different Sources
WIRING FOR LECTROSONICS M152/5P RCA or 1/4” PLUG T A5 F For signal levels up to 3V (+12 dBu) before limiting. Fully PLUG compatible with 5-pin inputs on other Lectrosonics transmitters such as the LM and UM Series. A 20k ohm resistor can be... -
Page 15: Supplied And Optional Accessories
Digital Belt-Pack Transmitter Microphone RF Bypassing Line Level Signals When used on a wireless transmitter, the microphone The wiring for line level and instrument signals is: element is in the proximity of the RF coming from the • Signal Hot to pin 5 transmitter. - Page 16 DBu, DBu/E01 Supplied Accessories P/N 26895 MI33PRA Wire belt clip Instrument cable; passive type for use with very high output pickups; right angle 1/4” plug 40096 Alkaline Batteries (2) Alkaline batteries. Brand may vary. MI33PST Instrument cable; passive type for use with very high output pickups;...
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Page 17: Lectrorm
Digital Belt-Pack Transmitter LectroRM Android By New Endian LLC LectroRM is a mobile application for iOS and Android operating systems to remotely control Lectrosonics Transmitters. The app remotely changes settings on the transmitter through the use of encoded audio tones, which when received by the attached microphone, will alter the con- figured setting. -
Page 18: Wireless Designer Software
(off) function Firmware updates are made with Wireless Designer file • Side panel membrane switches with LCD downloaded from the web site, and the DBu-LEMO con- interface for power on/off and all setup and nected via USB. -
Page 19: Troubleshooting
Digital Belt-Pack Transmitter Troubleshooting It is important that you follow these steps in the sequence listed. Symptom: Possible Cause: Transmitter Battery LED off 1. Batteries are inserted incorrectly. when Power Switch “ON” 2. Batteries are low or dead. No Transmitter Modulation LEDs 1. -
Page 20: Service And Repair
DBu, DBu/E01 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 interconnecting cables and then go through the Troubleshooting section in this manual. - Page 21 Digital Belt-Pack Transmitter Rio Rancho, NM...
- Page 22 DBu, DBu/E01 LECTROSONICS, INC.
- Page 23 Digital Belt-Pack Transmitter Rio Rancho, NM...
- Page 24 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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