SIMOLIO SM-823D Pro - User Manual

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2.4GHz Wireless TV Headsets

User Manual

SM-823D Pro

Sales & Support Email: support@simolio.com (for NA/AU)

support_uk@simolio.com (for UK)

Sales & Support Email: support@simolio.com (for NA/AU)

support_uk@simolio.com (for UK)

Questions and Answers

T
tiffany68Aug 1, 2025
What to do if SIMOLIO SM-823D Pro Headsets don’t work, or no voice is received?
- S
  spencerjodiAug 1, 2025
  If your SIMOLIO Headsets aren’t working or you're not receiving any voice, there are several potential causes. First, ensure the transmitter is powered on by switching to MONO or STEREO. Also, check that the AC adapter and audio cable of the transmitter are securely plugged in. If you're using an optical cable, make sure the analog audio cable is unplugged from the AUDIO IN jack of the transmitter. Finally, verify that the connection between the transmitter and the audio source is correct and properly connected.

Summary

Important Safety Instructions

General Safety Precautions

Read manual, keep dry, avoid extreme temps, liquid, use supplied adapter, clean, ventilate, avoid interference, switch off when idle.

Pacemaker Safety

Consult physician before using with a pacemaker or other medical device.

Overview

Features

Key Product Features

Highlights wireless transmission, voice highlighting, noise cancelling, balance/tone control, and multi-headset support.

Product Diagram

Package Contents

LED Indication

Transmitter LED Indicators

Details the status of the green and red LEDs on the transmitter and their meanings.

Headset LED Indicators

Details the status of the green and red LEDs on the headset and their meanings.

How to Use

Check TV;Audio Source Output Options

Identifies compatible audio output ports on TVs and audio devices for connection.

Powering On Transmitter and Headset

Instructions on how to turn on the transmitter and the headset.

Digital Optical Connection

Step-by-step guide to connecting the transmitter to a TV using an optical audio cable.

RCA Analog Connection

Step-by-step guide to connecting the transmitter to a TV using RCA audio cables.

3.5 mm;AUX Analog Connection

Step-by-step guide to connecting the transmitter to a TV using a 3.5mm audio cable.

Special Case Connections

Covers connecting via digital coaxial, using optical splitters, and AV receivers.

Using Multiple Headsets

Explains how to use two headsets with one transmitter in the same house.

Charging the Headset

Provides instructions on how to charge the headset properly.

Customizing Your Headset Settings

Guides on adjusting headset settings like balance, tone, and mono/stereo for optimal listening.

Customization Options

Hanger Loops Installation

Instructions for attaching optional hanger loops for improved headset fit and comfort.

Balance and Tone Control Adjustment

Guides on adjusting left/right balance and treble/bass tone for personalized sound.

Mono;Stereo Selection

Explains how to switch between MONO and STEREO modes for different listening preferences.

Personal Sound Amplifier Function

How to use the feature that amplifies nearby sounds for conversation.

Ear Tips Replacement

Instructions on how to replace the ear tips for hygiene and comfort.

Troubleshooting

Headset Not Working or No Voice

Solutions for when the headset is not receiving audio or is not functioning.

Sound Interruption and Noise Issues

Troubleshooting intermittent sound, static, or other audio disturbances.

Audio Channel and Charging Problems

Solutions for issues with single-ear audio or the headset failing to charge.

Technical Specifications

Limited Warranty

SIMOLIO SM-823D Pro Specifications

General

Brand	SIMOLIO
Model	SM-823D Pro
Category	Headsets
Language	English