GRENARO J13 Dual Channel Universal Wireless Microphone User Manual

Introduction

This manual provides detailed instructions for the GRENARO J13 Dual Channel Universal Wireless Microphone. Please read this guide thoroughly to ensure proper setup, operation, and maintenance of your device.

What's in the Box

• 2 x Wireless Microphone Transmitters
• 1 x Type-C Receiver
• 1 x Type-C to Lightning Adapter for iOS
• 1 x USB to 2 Type-C Charging Cable
• 1 x Charging Case

The image displays all items included in the GRENARO J13 package: two wireless microphone transmitters, a Type-C receiver, a Type-C to Lightning adapter for iOS devices, a USB to dual Type-C charging cable, and the portable charging case.

Setup Instructions

Initial Charging

Before first use, ensure all components are fully charged. Remove any protective partitions from the microphone charging ports. Place the microphone transmitters into the charging case. Connect the charging case to a power source using the provided USB to Type-C cable.

Connecting to Your Device

1. For Type-C Devices (Android/USB-C Tablets/Laptops): Insert the Type-C receiver directly into your device's Type-C port.
2. For iOS Devices (iPhone/iPad with Lightning Port): Attach the Type-C to Lightning adapter to the Type-C receiver, then plug the assembled receiver into your iOS device's Lightning port.

Once the receiver is plugged in, press the power button on each microphone transmitter. The microphones and receiver will automatically pair.

This diagram visually guides users through connecting the microphone system. It shows plugging the receiver into a smartphone, then pressing the power button on the microphone, leading to a successful connection indicated by a green light.

Important Note for Android Users

Some Android devices may require enabling the OTG (On-The-Go) feature for external microphones to function correctly. Additionally, the default camera application on certain Android phones may not support external wireless microphone connections. In such cases, it is recommended to download a third-party camera application like 'Open Camera'.

Enabling OTG:

Navigate to your phone's settings and locate the OTG option. Enable this feature. OTG typically allows your phone to connect to USB flash drives or charge other devices. It may automatically turn off after 5 minutes of inactivity.

This image displays a typical Android settings screen with the 'OTG' option highlighted, along with instructions on how to enable it for connecting external devices like the microphone receiver.

Using 'Open Camera' App:

If your default camera app does not support the wireless microphone, download the 'Open Camera' app. Within the 'Open Camera' app settings, go to 'Video Settings', then 'Audio Source', and select 'External mic (if present)'.

This image illustrates the 'Open Camera' application, an alternative for Android users whose default camera app may not support external microphones. It provides clear instructions for setting the audio source to the external microphone within the app's video settings.

Operating Instructions

Powering On/Off and Pairing

To power on the microphone transmitters, press and hold the power button. They will automatically attempt to pair with the connected receiver. A solid green light on the microphone indicates a successful connection. To power off, press and hold the power button again.

Noise Reduction Modes

The GRENARO J13 features 3 adjustable levels of noise reduction, utilizing a DSP intelligent noise reduction chip. You can cycle through these levels by pressing the indicator button on the microphone:

• Level 1: The green light flashes once.
• Level 2: The green light flashes twice.
• Level 3: The green light flashes three times.

Select the appropriate level based on your recording environment, from quiet indoors to noisy outdoors, to optimize audio clarity.

This image visually explains the three levels of noise reduction available on the microphone, detailing how each level is indicated by the green light flashes and its effect on background noise reduction.

Reverberation Mode

For specific audio effects, such as KTV singing, the microphone offers a reverberation mode. Activate this mode by clicking the indicator button three times.

This image demonstrates the reverberation mode feature of the microphone, suitable for enhancing vocals in singing scenarios, activated by three clicks on the indicator button.

Omnidirectional Sound Reception

The GRENARO J13 microphone features a high-sensitivity, 360° omnidirectional sound reception, ensuring that audio is captured clearly from all directions. This is ideal for recording in various environments without needing to constantly adjust microphone placement.

This graphic highlights the microphone's ability to capture sound from all directions, ensuring comprehensive audio recording regardless of the sound source's position.

Wireless Transmission Range

The microphone system supports a wireless transmission distance of approximately 65 feet (20 meters), utilizing real-time auto-sync technology for stable signal transmission. This allows for clear recording or video capture from a greater distance.

This image demonstrates the effective wireless range of the microphone system, showing it can maintain a clear audio connection over distances up to 65 feet, suitable for outdoor recording.

Charging

Microphone Transmitters

Each wireless microphone transmitter has a built-in rechargeable battery. After approximately 1-2 hours of charging, each microphone can operate for up to 8 hours. Place the transmitters into the charging case to charge them.

Charging Case

The charging case itself contains a battery that can provide multiple charges to the microphones, offering a total usage time of up to 60 hours. Charge the case using the provided USB to Type-C cable connected to a power source.

This graphic provides an overview of the battery performance, indicating quick charging times for the case and extended operational hours for the microphones, supported by the charging case.

Maintenance

To ensure the longevity and optimal performance of your GRENARO J13 wireless microphone system, follow these general maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the microphones, receiver, and charging case. Avoid using harsh chemicals or abrasive materials.
• Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures. Always store microphones in their charging case when not in use.
• Charging Ports: Keep charging ports free from dust and debris.
• Handling: Handle the components with care to prevent physical damage.

Troubleshooting

Connection Issues

• Android Devices: If the microphone does not connect or record audio on an Android device, ensure the OTG feature is enabled in your phone's settings. Refer to the "Important Note for Android Users" section for detailed instructions.
• General Connection: Ensure the receiver is fully inserted into your device's port and the microphone transmitters are powered on. If issues persist, try restarting both your recording device and the microphone system.

No Audio Recording with Default Camera App (Android)

• If your default camera application does not recognize the external microphone, download and use a third-party application such as "Open Camera". Configure the audio source within the app to "External mic (if present)". Refer to the "Important Note for Android Users" section for detailed instructions.

Poor Audio Quality

• Noise Reduction: Adjust the noise reduction level according to your environment. In very noisy settings, Level 3 noise reduction can significantly reduce background sound.
• Distance: Ensure the microphone is within the optimal transmission range (up to 65 feet / 20 meters) from the receiver.
• Obstructions: Minimize physical obstructions between the microphone and receiver.

Charging Problems

• Protective Partition: Ensure any protective partition at the microphone's charging port has been removed before attempting to charge.
• Cable and Adapter: Verify that the charging cable and adapter are securely connected and functioning correctly.

Specifications

Warranty and Customer Support

The GRENARO J13 wireless microphone comes with a 1-year warranty from the date of purchase. To activate your warranty and receive customer service support, please send your order ID to the provided email address.

Contact Information:

• Email: customer_service@grenaro.com
• Telephone / WhatsApp: +91 9667585067

This image provides details on the 12-month product care plan and customer support contact information, including email and phone/WhatsApp.