Geemarc CL7400 OPTI Instructions Manual

Geemarc CL7400 OPTI Instructions Manual

Amplified wireless digital tv headset
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Amplified Wireless Digital TV Headset
- 2.4 GHz Wireless Digital Quality Sound with
Optical Input -

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Table of Contents
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Questions and answers

R. DUNN
March 12, 2025

how do I replace the battery in the geemarc CL7400 Opti

1 comments:
Mr. Anderson
March 12, 2025

The manual does not provide instructions on replacing the battery. However, it mentions that the device uses a rechargeable lithium battery. If battery replacement is required, contact Geemarc support for assistance.

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Summary of Contents for Geemarc CL7400 OPTI

  • Page 1 Amplified Wireless Digital TV Headset - 2.4 GHz Wireless Digital Quality Sound with Optical Input -...
  • Page 2: Table Of Contents

    - Stereo/Mono Setting ..........11 PAIRING ..............12 ECO MODE ..............13 WIRED MODE ............13 - CL7400 OPTI with Hi Fi or MP3 ....... 13 TROUBLESHOOTING ..........14 SAFETY INFORMATION ........... 15 GENERAL INFORMATION ........17 GUARANTEE ............. 18...
  • Page 3: Introduction

    It has a built-in rechargeable battery which self-charges when placed back on the charging base. The Geemarc CL7400 OPTI has an indoor range of up to 50 meters from the transmitter and works digitally through walls.
  • Page 4: Unpacking The Cl7400 Opti

    INTRODUCTION Unpacking the CL7400 OPTI When unpacking the CL7400 OPTI, you should find the following in the box: • CL7400 OPTI Radio Controlled Headphones • Charging Base • AC Power Adaptor • Optical cable • 3.5 mm Female jack to 2 RCA plugs adaptor cable •...
  • Page 5: Installation

    INSTALLATION Setting Up –Connecting Base to TV (or other device) 1. Insert the AC adaptor connector into the ‘DC IN 6V’ socket found on the back of the Charging Base. 2. Insert one end of the 3.5 mm jack cable into AUDIO socket on the back of the charging base, or insert the one end of optical cable into the OPTICAL socket on the back of the charging base.
  • Page 6 INSTALLATION 3. Insert the other end of this lead (the male jack) into the female jack. There is different installation methods dependant on sockets available to you, please select from A, B or C below:...
  • Page 7: Rca Users

    INSTALLATION INSTALLATION A. RCA Users Insert the RCA Adaptors into your TV RCA sockets as per the colour coding i.e. red lead into red socket, white lead into white socket. B. Φ3.5MM Users Insert one end of the 3.5 mm jack cable into the base of the headphones.
  • Page 8 INSTALLATION 6. A red light will initially be displayed on the right hand side of the base. After about 5 seconds the red light should go off and the green light will be displayed. The green light indicates that the unit is ON and is in standby mode.
  • Page 9 INSTALLATION 7. Place the headphones onto the Charging Base. A red light will show on the headphones. The red light indicates the headphone’s batteries are charging. Charging takes 5 hours. After full charge the red light changes to green. There is a Micro USB port located at the bottom of one of the earpieces.
  • Page 10: Using The Cl7400 Opti

    The Power Button should light up a green colour. The CL7400 OPTI is ready for use. Place the headphones over your head and ensure the TV is switched on. Your CL7400 OPTI is now set up for the recommended levels. For further personalisation see the Settings Chapter.
  • Page 11: Settings

    SETTINGS Volume Setting You can adjust the volume for the left and right sides of the headset independently. Press ‘+’ button repeatedly or continuously on the desired side of the headset to increase volume and ‘-’ button to decrease volume. The Headset will beep when volume reaches midway volume.
  • Page 12: Tone Setting

    This switch is found on the underside of the charging base (using a needle or pencil is helpful). Moving the switch to “ON” side means the CL7400 OPTI will work in Stereo mode. Moving the switch to “Mono” side means...
  • Page 13: Pairing

    PAIRING Your Headset was paired with the Charging Base at the factory so that when you switch on the Headset, it will automatically recognise the Base. However, if for any reason the Headset and Base are no longer paired, there is a very simple procedure to follow in order to pair the two devices : 1) Switch on the Headset by pressing and holding the ON button.
  • Page 14: Eco Mode

    ECO MODE / WIRE MODE The CL7400 OPTI runs in Eco Mode, decreasing emissions by 90%. If the TV, Hi Fi or MP3 sound is reduced or muted for 4 minutes, the headphones will go into sleep mode. To wake up the headphones, increase the volume on that device.
  • Page 15: Troubleshooting

    TROUBLESHOOTING No Sound Ensure that the mains adapter is pushed fully into the power outlet and that its cable is properly connected to the DC IN 5V connector on the base. Ensure that the headphones On/Off switch is switched to the On Position and the button is lit Green.
  • Page 16: Safety Information

    Cleaning Clean the CL7400 OPTI with a soft cloth. Never use polishes or cleaning agents - they could damage the finish or the electrics inside.
  • Page 17 SAFETY INFORMATION Battery Warnings Do not attempt to dismantle Do not dispose of in fire Do not swallow Keep away from children Batteries are to be inserted with the correct polarity Do not short-circuit the supply terminals Exhausted batteries are to be removed from the product Do NOT use another type of battery or non-rechargeable batteries to replace the rechargeable batteries.
  • Page 18: General Information

    GENERAL INFORMATION Features 2.4GHz FHSS digital technology with equalizer features for • tone and balance adjustments. High quality stereo sound that is virtually interference-free • Transmission is not restricted solely to line of sight • Digital Pairing System on Headphone & Transmitter •...
  • Page 19: Guarantee

    A WARRANTY CLAIM. Please note: The guarantee applies to the United Kingdom only. CE DECLARATION: Geemarc Telecom SA hereby declares that CL7400 OPTI is in compliance with the essential requirements and other relevant provisions of the Radio Equipment Directive 2014/53/UE.
  • Page 20 UGCL7400_OP_En_V1.4...

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