CONTENTS Table of Contents................................................................... 3 Introduction............................................................................ 3 Using This Manual.................................................................. 3 System Components............................................................... 3 System Features...................................................................... 4 DW-11/DW-22 Receivers.....................................
SYSTEM FEATURES DW-11 SINGLE AND DW-22 DUAL CHANNEL RECEIVERS • User Friendly. Fixed channel and frequency make operation very simple. Just turn the system on and it’s set to go! • State-of-the-art, professional 24-bit digital conversion technology for exceptional audio clarity with transparent frequency response across the entire audible range (20Hz to 20,000Hz). The truest possible sound with undetectably low latency. • Clear Signal operation in 900 MHz Band. Completely free from TV interference.
DW-11/DW-22 RECEIVERS RECEIVER OPERATION 1. Rack mounting The Receivers There are 2 options available for rack mounting the DW-11/DW-22 receivers: singly or side-by-side with another DW-11/DW-22 Series receiver. A single DW-11 or dual DW-22 receiver can be rack mounted with the optional RMT-1KUD rack tray. [ Note: Do not mount the receiver in a rack directly above an amplifier or other source of high heat – this could degrade the performance of the DW-11/DC-22.
. LED Display The DW-11/DW-22 receivers are equipped with AF LED indicator (4) showing the audio present from the transmitter. If this LED lights continuously, decrease the volume to the Mic or overload distortion may result. The RF LED DISPLAY (3) showing the TRANSMITTERS(TX) is on. When it is lit up, the TX is in usable range. If not lit up or flickering, either the TX is not on or it is out of range. Move the TX closer to re-establish the connection. DW-11 and DW-22 Receiver Front and Back Label 1.
DIGITAL HTTM HANDHELD MICROPHONE TRANSMITTER HANDHELD OPERATION 1. Unscrew the BATTERY COMPARTMENT COVER (14) and insert 2 fresh AA ALKALINE BATTERIES into the BATTERY COMPARTMENT(15), observing the correct polarity as marked. Screw the cover back on to the microphone. Fresh alkaline batteries can last up to 11 hours in use, but in order to ensure optimum performance, it is recommended that you replace the batteries after every 8-10 hours of use. 2.
DIGITAL LT/HMTM BODYPACK TRANSMITTER BODYPACK OPERATION 1. Open the hinged BATTERY DOOR (22) and insert 2 fresh AA ALKALINE BATTERIES into the BATTERY COMPARTMENT (21), observing the correct polarity. Fresh alkaline batteries can last up to 11 hours in use, but in order to ensure optimum performance, it is recommended that the batteries be replaced after 8-10 hours of use. 2. Turn on the DIGITAL LT™ by sliding the POWER SWITCH (17) to audio MUTE position first. The RX RF LED INDICATOR (19) will turn on.
DIGITAL LT/HMTM BODYPACK TRANSMITTER 4. The DIGITAL LT™ is provided with a 3.5 mm LOCKING JACK (18) for connecting the audio input selected. Connect either HEADWORN MIC or LAVALIER MIC CORD (23) as desired, according to the model selected. [ Note: Use only the input selected or the audio will not be optimal–a muddy or distorted sound may result. To secure the connection, turn the slip ring on the plug clockwise to thread it on the jack. To unplug, reverse the process.
SPECIFICATIONS RECEIVER OVERALL SYSTEM PERFORMANCE Frequency Response: Dynamic Range: Total Harmonic Distortion: Latency: RF Carrier Frequency Range: Frequency Stability: Modulation: Operating Range: 20Hz – 20,000Hz +/-3dB 120dB (A-weighted) <0.1% 3mSec (48 kHz Sample Rate) Selected frequencies between 902 and 951MHz +/- 20PPM, PLL controlled Digital QPSK Up to 300 ft.
PRECAUTIONS AND TROUBLESHOOTING Audio Feedback Avoid acoustic feedback (howling or screeching) by taking care in selecting P.A. volume, transmitter location and speaker placement. [ Note: the pickup pattern characteristics of the microphone selected: Unidirectional microphones are more resistant to feedback. However, they pick up sound sources best that are directly in front of the microphone.
MISCELLANEOUS USEFUL TIPS • The receiver antennas should be kept away from any metal surfaces whenever possible as they can reflect away or shield the incoming RF signal. • If the receiver’s volume control is set too high, it may overdrive the input of the attached audio mixer, causing distortion. Conversely, if the output is set too low, the overall signal-to-noise ratio of the system may be reduced, causing noticeable hiss.
WARRANTY Nady Systems, Inc. warrants to the original consumer/purchaser that the unit is free from any defects in material or workmanship for a period of one year from the date of original retail purchase. If any such defect is discovered within the warranty period, Nady Systems, Inc. will repair or replace the unit free of charge, subject to verification of the defect or malfunction upon return to Nady Systems.
SERVICE In the U.S. If you are experiencing operational problems with your system, please feel free to contact the Nady Service Department via telephone at (510) 652-2411 or e-mail to service@nady.com to obtain a Return Authorization (R/A) Number and service quote (if out of warranty). Make sure the R/A Number is clearly marked on the outside of the package that you are returning.