Technical Pro RX38UR Professional Receiver User Manual

Introduction

Thank you for purchasing the Technical Pro RX38UR Professional Receiver. This unit is designed to provide high-quality audio amplification and versatile media playback options for your home audio system. Featuring USB and SD card inputs, an FM digital tuner, and multiple audio inputs, the RX38UR offers comprehensive connectivity and control for an enhanced listening experience.

Safety Information

Please read this manual carefully before operating the unit. Retain this manual for future reference.

• Power Source: Connect the unit only to an AC power outlet of the specified voltage.
• Ventilation: Ensure adequate ventilation. Do not block ventilation openings.
• Water and Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids on the unit.
• Heat: Keep the unit away from heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
• Cleaning: Clean only with a dry cloth.
• Servicing: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel.

Package Contents

Please check that the following items are included in your package:

• Technical Pro RX38UR Professional Receiver
• Remote Control
• User Manual (this document)

Product Overview

Front Panel

The front panel provides access to all primary controls and inputs for convenient operation.

• Power Button: Located on the bottom left, used to turn the unit on or off.
• Master Volume Control: Large rotary knob on the right, adjusts the overall output volume.
• Digital Fluorescent Display: Central display showing input source, FM frequency, and audio levels.
• Input Select Buttons: Buttons for selecting TUNER, AUX, USB, SD Card, and MP3 inputs.
• Microphone Inputs (MIC1, MIC2): 1/4-inch jacks for connecting microphones.
• Microphone Controls: Knobs for MIC TONE, MIC VOL, and ECHO.
• Tone Controls: Knobs for BASS, TREBLE, and BALANCE.
• USB Input: Port for connecting USB flash drives (up to 32GB).
• SD Card Input: Slot for inserting SD cards (up to 32GB).
• Playback Controls: Buttons for Repeat and Random playback for USB/SD sources.

Rear Panel

The rear panel houses all the necessary connections for your audio components and speakers.

• RCA Audio Inputs: Two sets of RCA inputs for connecting external audio sources (e.g., CD player, DVD player).
• Banana Binding Post Outputs: For connecting main speakers (2 speakers).
• Push Button Speaker Outputs: For connecting surround speakers.
• RCA Line Out: For connecting to another amplifier or recording device.
• Mono RCA Subwoofer Out (x2): For connecting powered subwoofers.
• FM Antenna Terminal: For connecting the FM antenna.
• Power Cord: Fixed power cord for AC connection.

Setup

Connecting Speakers

1. Ensure the receiver is powered off and unplugged.
2. Connect your main speakers to the Banana Binding Post Outputs on the rear panel. Ensure correct polarity (+ to + and - to -).
3. If using surround speakers, connect them to the Push Button Speaker Outputs, observing polarity.
4. For powered subwoofers, connect them to the Mono RCA Subwoofer Out jacks.

Connecting Audio Sources

1. RCA Devices: Connect your audio devices (e.g., CD player, DVD player) to the RCA Audio Inputs on the rear panel using RCA cables.
2. USB Drive: Insert a USB flash drive (up to 32GB) into the USB input on the front panel.
3. SD Card: Insert an SD card (up to 32GB) into the SD card slot on the front panel.
4. MP3 Player: Connect an MP3 player or other portable device to the MP3 input on the front panel using a 3.5mm to 3.5mm audio cable.

Connecting Microphones

1. Insert 1/4-inch microphone cables into the MIC1 or MIC2 jacks on the front panel.

Operating Instructions

Power On/Off

Press the POWER button on the front panel to turn the unit on or off. The digital display will illuminate when the unit is powered on.

Source Selection

Press the corresponding input select button (TUNER, AUX, USB, SD Card, MP3) on the front panel to choose your desired audio source. The selected source will be indicated on the digital display.

Volume Control

Rotate the large MASTER VOLUME knob on the front panel to adjust the overall sound level. You can also use the volume controls on the remote control.

Tone Controls

• BASS: Adjusts the low-frequency sound level.
• TREBLE: Adjusts the high-frequency sound level.
• BALANCE: Adjusts the left/right speaker output balance.

Microphone Controls

• MIC VOL: Adjusts the volume of the connected microphones.
• ECHO: Adds an echo effect to the microphone sound.
• MIC TONE: Adjusts the tone (bass/treble) of the microphone sound.

USB/SD Card Playback

When a USB drive or SD card is inserted, the unit will automatically switch to the corresponding input. It supports .mp3, .wav, and .wma file formats. Use the playback controls (Repeat, Random) on the front panel or remote to manage your music.

Recording Function

The RX38UR can record .wav files onto a USB Flash Drive or SD Card from the FM Tuner or RCA inputs. The recording quality is 128 kbps / 32 KHz sampling rate.

1. Select the desired input source (TUNER or RCA input).
2. Ensure a USB drive or SD card with sufficient free space is inserted.
3. The unit will begin recording the audio from the selected source.
4. To stop recording, refer to your remote control or front panel for a dedicated stop/record button.

FM Tuner Operation

Select the TUNER input. Use the tuning controls (usually via remote or dedicated buttons on the front panel) to scan for and select FM radio stations. The frequency will be displayed on the digital fluorescent output display meter.

Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or aerosol cleaners.
• Ventilation: Periodically check that the ventilation openings are clear of dust and debris.
• Storage: If storing the unit for an extended period, unplug it from the power outlet and store it in a cool, dry place.

Troubleshooting

Specifications

Warranty and Support

Technical Pro products are designed for reliability and performance. For specific warranty information and technical support, please refer to the warranty card included with your product or visit the official Technical Pro website. Keep your purchase receipt as proof of purchase for any warranty claims.

For further assistance, please contact Technical Pro customer service.