Nady WS-16U

Nady WS-16U LT 16 Channel UHF Wireless Lavalier Microphone System User Manual

Model: WS-16U

1. Introduction

This manual provides comprehensive instructions for the setup, operation, and maintenance of your Nady WS-16U LT 16 Channel UHF Wireless Lavalier Microphone System. Please read this manual thoroughly before using the system to ensure optimal performance and longevity.

2. System Components

The Nady WS-16U LT system includes the following main components:

  • WS-16U Wireless Receiver: The central unit that receives audio signals from the transmitter.
  • BT-16U Wireless Transmitter: A bodypack unit that sends audio signals.
  • LM-14 Lavalier Microphone: A small, clip-on microphone for discreet audio capture.
  • AC/DC Power Adapter for the receiver.
Nady WS-16U LT Wireless Lavalier Microphone System components: a black bodypack transmitter with a lavalier microphone connected, and a black wireless receiver unit with two antennas.
Figure 1: Nady WS-16U LT System Overview. This image displays the Nady WS-16U LT wireless lavalier microphone system. On the left is the BT-16U wireless bodypack transmitter, a compact black unit with an antenna, connected to a small black lavalier microphone. On the right is the WS-16U wireless receiver, a larger black rectangular unit featuring two antennas, a power button, and LED indicators for AF (Audio Frequency) and diversity (A/B) channels. The receiver also displays "WS-16U UHF Wireless Receiver" and "16 Channel PLL Synthesized DigiTRU Diversity™".

3. Setup Instructions

3.1. Receiver Setup (WS-16U)

  1. Placement: Position the receiver in a location free from obstructions and away from other electronic devices that may cause interference. Ensure the antennas are fully extended and positioned vertically for optimal signal reception.
  2. Power Connection: Connect the supplied AC/DC power adapter to the DC input jack on the rear of the receiver and plug it into a standard electrical outlet.
  3. Audio Output: Connect the receiver's audio output to your mixer, amplifier, or recording device. The receiver provides both 1/4" unbalanced and XLR balanced outputs.
    • For XLR balanced output, use an XLR cable to connect to a balanced input on your audio device.
    • For 1/4" unbalanced output, use a 1/4" TS cable to connect to an unbalanced input.
  4. Power On: Press the POWER button on the front panel of the receiver. The power indicator LED will illuminate.

3.2. Transmitter Setup (BT-16U)

  1. Battery Installation: Open the battery compartment of the BT-16U bodypack transmitter. Insert a fresh 9V alkaline battery, observing the correct polarity. Close the compartment securely.
  2. Microphone Connection: Connect the LM-14 lavalier microphone to the input jack on the top of the BT-16U transmitter. Ensure the connection is secure.
  3. Placement: Clip the lavalier microphone approximately 6-8 inches (15-20 cm) below the user's chin for optimal voice capture. Secure the bodypack transmitter to clothing or a belt.

3.3. Channel Selection and Synchronization

The WS-16U LT system features 16 user-selectable UHF channels to avoid interference. Refer to the channel selection guide (usually found inside the transmitter's battery compartment or on the receiver's underside) to set both the transmitter and receiver to the same channel. Ensure both units are set to identical channels for proper operation.

4. Operating Instructions

  1. Power On: After completing the setup, power on the receiver first, then the transmitter.
  2. Audio Level Adjustment:
    • Speak into the lavalier microphone at a normal speaking volume.
    • Observe the AF (Audio Frequency) level indicators on the receiver. Adjust the volume control on your mixer/amplifier until the AF LEDs illuminate consistently without peaking into the red (indicating distortion).
  3. DigiTRU Diversity: The receiver utilizes DigiTRU Diversity technology, which automatically selects the stronger signal from its two antennas (A and B) to minimize dropouts and maximize operating range. The A/B LEDs on the receiver indicate which antenna is currently receiving the signal.
  4. Operating Range: The typical operating range is 150-250 feet (45-75 meters), with a line-of-sight range of up to 500 feet (150 meters). Environmental factors and obstructions can affect this range.
  5. Mute (Squelch) Adjust: The receiver features a Mute (Squelch) adjust control. This control sets the threshold at which the receiver will output audio. Adjust it to a level that eliminates background noise or interference when the transmitter is off, but still allows the transmitter's signal to pass through clearly when it is on.
  6. Power Off: When finished, power off the transmitter first, then the receiver. This prevents any loud pops or noises through your audio system.

5. Maintenance

  • Cleaning: Use a soft, dry cloth to clean the exterior of the receiver and transmitter. Do not use liquid cleaners or solvents.
  • Battery Replacement: Replace the 9V battery in the BT-16U transmitter regularly, especially before critical performances, to avoid unexpected power loss. Remove the battery if the transmitter will not be used for an extended period to prevent leakage.
  • Storage: Store the system in a cool, dry place away from direct sunlight and extreme temperatures.

6. Troubleshooting

ProblemPossible CauseSolution
No sound from receiver.
  • Receiver or transmitter not powered on.
  • Incorrect channel selection.
  • Transmitter battery low or dead.
  • Audio cable disconnected or faulty.
  • Receiver's Squelch set too high.
  • Ensure both units are powered on.
  • Verify transmitter and receiver are on the same channel.
  • Replace transmitter battery.
  • Check all audio connections.
  • Adjust Squelch control on the receiver.
Interference or static.
  • Nearby electronic devices.
  • Other wireless systems on the same frequency.
  • Antennas obstructed or improperly positioned.
  • Relocate receiver away from interference sources.
  • Select a different operating channel.
  • Ensure clear line-of-sight for antennas.
Short operating range or dropouts.
  • Obstructions between transmitter and receiver.
  • Low transmitter battery.
  • Antennas not properly positioned.
  • Ensure clear line-of-sight.
  • Replace transmitter battery.
  • Adjust receiver antennas for optimal reception.

7. Specifications

  • Model: Nady WS-16U LT
  • Frequency Agility: 16 user-selectable UHF channels
  • Dynamic Range: 120dB
  • Operating Range: 150-250 feet (typical), up to 500 feet (line-of-sight)
  • Diversity Technology: DigiTRU Diversity
  • Receiver Outputs: 1/4" unbalanced, XLR balanced
  • Transmitter Power: 9V battery (not included)
  • Item Weight: 1.04 kg
  • Package Dimensions: 30.23 x 28.45 x 5.84 cm
  • Connector Type: XLR Connector (for balanced output)

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