DNA Professional UHF DSP Wireless Microphone System

System Specifications

Modulation Method: TT/4 - DQPSK

Frequency Range: 518-542MHz, 1x48CHs

Sampling Ratio: 48KHz

Transmission Rate: 204.8Kbps

Dynamic Range: >90dB

Total Harmonic Distortion: <0.1%

Delay Time of Audio Transmission: <3ms

S/N Ratio: >96dB

Frequency Response: 30~20KHz

RX Sensitivity: <-94dBm

Unique ID Address: Yes

Important Disposal Information

WARNING! THE DEVICE MUST NOT BE DISPOSED OF WITH HOUSEHOLD WASTE.

This symbol indicates that this product must not be disposed of with household waste, according to the EU and your national law. In order to prevent potential damage to the environment or health, the used product must be recycled. In accordance with current legislation, unusable electrical and electronic devices must be collected separately at the designated facilities for recycling, acting on the basis of applicable environmental standards.

The main goal of European and national law regulations is to reduce the amount of waste produced from used electrical and electronic equipment, to ensure an appropriate level of collection, recovery and recycling of used equipment, and to increase public awareness of its harmfulness to the environment, at each stage of use of electrical and electronic equipment. Therefore, it should be pointed out that households play a key role in contributing to reuse and recovery, including recycling of used equipment. The user of electrical and electronic equipment intended for households is obliged to return it to authorized collector after its use. However, it should be remembered that products classified as electrical or electronic equipment should be disposed of at authorized collection points.

Tips for Improving System Performance

• The transmitter and antenna should be kept in a relative position of accessibility in a straight line.
• Do not place the receiver close to metal surfaces or near any digital devices (such as CD players, computers, etc.).
• Try to place the receiver at a height of 1.5 meters from the ground and at a distance of 1 meter away from the wall.

1. Hand-held Transmitter

1) Main Functions

The hand-held transmitter includes the following parts:

• 1 Microphone head: The part that captures sound.
• 2 LCD display window: Shows status information like frequency and battery level.
• 3 Power Switch: Turns the transmitter on or off.
• 4 Infrared receiving window: Used for frequency synchronization.

The rear of the transmitter features:

• 5 Battery house: Compartment for batteries.
• 6 HI-LO transmitter switch: Adjusts transmission power.

Battery Replacement

To replace the batteries:

1. Open the battery tray.
2. Insert new AA batteries, ensuring correct polarity ([plus-minus symbol] indicators).
3. Close the battery cover.

2. Receiver Functions

1) Front Panel Functions

The receiver's front panel includes:

• 1 Power Switch: Turns the receiver on or off.
• 2 SET: Channel function menu key for settings.
• 3 Channel operation UP key: Navigates upwards or increases values.
• 4 Channel operation Down key: Navigates downwards or decreases values.
• 5 LCD display window: Displays system status, frequency, and channel.
• 6 Infrared frequency key: Used for frequency synchronization.
• 7 Volume knob: Adjusts the audio output volume.

2) Rear Panel Functions

The receiver's rear panel provides the following connections:

• 1 B channel XLR output socket: Balanced audio output for channel B.
• 2 1/4 inches output socket: Unbalanced audio output.
• 3 A channel XLR output socket: Balanced audio output for channel A.
• 4 DC-POWER socket: For connecting the power adapter (DC12-18V).
• 5 A BNC antenna pedestal: Connection point for antenna A.
• 6 B BNC antenna pedestal: Connection point for antenna B.

Receiver Display Content

The receiver's display shows:

• 1 RF received signal strength indicator: Shows the strength of the incoming RF signal.
• 2 AF signal strength indicator: Shows the strength of the audio signal.
• 3 Mute: Indicates if the audio output is muted.
• 4 Receiver setting frequency: Displays the current operating frequency.
• 5 Selected channel: Displays the currently selected channel number.

3. Manual Frequency Selection

Follow these steps to manually select a frequency:

1. Long press the UP key. The LCD will show the frequency, and the channel number will flash.
2. Press the UP or DOWN keys to select the desired channel (0-99). Aim for a channel with no interference.
3. Press the SET key to confirm the selection, or wait for the system to automatically confirm after a few seconds.

4. Auto Scan Setup

To automatically find a clear frequency:

1. Long press the DOWN key. The display will show "SCAN". The system will enter auto-scan mode.
2. The system will automatically select a non-interference frequency and synchronize.

5. Infrared Frequency Settings

Synchronize the transmitter and receiver using infrared:

1. Turn on the wireless microphone transmitter.
2. Aim the transmitter's IR receiving window towards the receiver's IR window on the front panel.
3. Ensure the receiver's IR port and transmitter's IR port are aligned and within 50mm of each other.
4. Press the SET button on the receiver. The display will show "IR----".
5. After approximately 2 seconds, the transmitter will synchronize with the receiver's signal.
6. Verify that the wireless microphone is now working on the selected channel.

6. Display Lock/Unlock

To prevent accidental changes, press the UP and DOWN keys simultaneously to lock or unlock the display. When locked, the system will not perform any operations.

7. Bodypack Transmitter Functions

Elements

The bodypack transmitter includes:

• 1 Antenna: For transmitting the signal.
• 2 Signal socket: For connecting a microphone or instrument.
• 3 Frequency display: Shows the current frequency.
• 4 Power indicator: Shows the power status.
• 5 LCD display: Displays operational information.
• 6 IR port: For infrared synchronization.
• 7 Battery tray: Compartment for batteries.
• 8 Battery cover: Secures the batteries.
• 9 Microphone head: The part that captures sound (for headset microphones).

8. Troubleshooting