1. Introduction
The Gemini GMU-M100 is a handheld UHF wireless microphone system designed for a variety of audio applications. This system provides wireless freedom, allowing users to move without cable restrictions, and is suitable for performances, presentations, karaoke, and more. The system operates within the 512 to 541.7 MHz frequency range (for the US market) and offers a stable signal transmission.
Image 1.1: The Gemini GMU-M100 Handheld UHF Wireless Microphone System, including the handheld microphone, plug-in receiver, and an optional microphone stand.
2. Contenu du colis
Veuillez inspecter le contenu du colis pour vous assurer que tous les articles sont présents et en bon état :
- GMU-M100 Handheld Wireless Microphone
- GMU-M100 Plug-in Wireless Receiver
- Rechargeable Lithium Batteries (pre-installed or included for both units)
- Câble de chargement micro-USB
- Manuel de l'utilisateur (ce document)
Note: Additional accessories such as a microphone stand may be included if purchased as part of a bundle.
3. Produit terminéview
3.1 Handheld Microphone (MT10)
The handheld microphone features a dynamic capsule with a cardioid pickup pattern, designed to focus on the sound source while minimizing background noise. It includes an LED screen for displaying battery life and frequency information, and a SET button for frequency adjustment.
Image 3.1: The GMU-M100 handheld microphone and its compact plug-in receiver.
3.2 Plug-in Receiver (R10)
The compact receiver connects directly to your audio equipment via a standard 1/4" TS plug. It receives the wireless signal from the microphone and outputs it to your PA system, amplifier, or mixer.
Image 3.2 : Inclinée view highlighting the design of the microphone and receiver.
4. Installation
4.1 Chargement des unités
Both the microphone and receiver are powered by rechargeable lithium batteries. Before first use, ensure both units are fully charged.
- Locate the Micro-USB charging port on the bottom of the microphone and on the side of the receiver.
- Connect the included Micro-USB cable to the charging port of each unit and plug the other end into a USB power source (e.g., computer USB port, USB wall adapter).
- The LED indicator on each unit will show charging status (refer to the unit's specific LED behavior for full charge indication).
Image 4.1: Close-up of the microphone's Micro-USB charging port (DC-5V).
Image 4.2: The Micro-USB charging cable provided for both units.
4.2 Battery Installation (Microphone)
The microphone uses a user-replaceable 18650 1200mAh battery. If the battery needs replacement or initial installation:
- Dévissez le capuchon inférieur du microphone.
- Insert the 18650 battery, ensuring correct polarity (+/-).
- Revissez fermement le bouchon inférieur.
Image 4.3: The microphone with its battery compartment open, revealing the 18650 battery.
4.3 Connexion du récepteur
The receiver connects directly to your audio input device.
- Plug the 1/4" TS connector of the receiver into an available 1/4" input jack on your PA speaker, amplifier, mixer, or other audio equipment.
- Ensure the audio equipment is powered off before connecting the receiver.
4.4 Mise sous tension et appairage
The microphone and receiver are designed for automatic pairing.
- Mettez votre équipement audio sous tension.
- Press and hold the power button on the handheld microphone until the LED screen illuminates.
- Press and hold the power button on the plug-in receiver.
- The units will automatically pair. A successful connection is typically indicated by a stable signal icon on the microphone's LED screen.
5. Mode d'emploi
5.1 Contrôle du volume
The output volume can be controlled directly from the handheld microphone using the designated volume buttons (if present) or through the connected audio equipment's input gain/volume controls.
5.2 Réglage de la fréquence
If you experience interference, you can change the operating frequency of the microphone system:
- With the microphone powered on, press the ENSEMBLE bouton.
- The microphone will cycle through available UHF frequencies. The receiver will automatically sync to the new frequency.
- Select a clear frequency to ensure optimal performance.
5.3 Portée sans fil
The GMU-M100 system offers a wireless range of over 164 feet (50 meters) in optimal conditions. Obstacles, other wireless devices, and environmental factors can affect this range.
6. Entretien
6.1 Entretien de la batterie
- Chargez complètement les batteries avant un stockage prolongé.
- Évitez d’exposer les batteries à des températures extrêmes.
- If the microphone will not be used for a long period, remove the 18650 battery.
6.2 Nettoyage
- Essuyez le microphone et le récepteur avec un chiffon doux et sec.
- N'utilisez pas de produits chimiques agressifs ou de nettoyants abrasifs.
- Avoid moisture contact with electronic components.
7. Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| Pas de sortie audio | Microphone or receiver not powered on; low battery; incorrect connection; receiver not paired. | Ensure both units are charged and powered on. Check all cable connections. Verify pairing (power cycle both units). Adjust volume on microphone and audio equipment. |
| Interférences ou statique | Operating on a crowded frequency; proximity to other wireless devices; environmental interference. | Appuyez sur le ENSEMBLE button on the microphone to change to a different frequency. Move away from other wireless devices or sources of electromagnetic interference. |
| Portée sans fil courte | Obstacles between microphone and receiver; low battery; environmental factors. | Ensure a clear line of sight between microphone and receiver. Fully charge batteries. Reduce distance between units. |
| Microphone LED screen off | Microphone is off; battery is depleted. | Press the power button to turn on. Charge the microphone battery. |
8. Spécifications
| Fonctionnalité | Spécification |
|---|---|
| Modèle | GMU-M100 |
| Facteur de forme du microphone | Système de microphone à main |
| Gamme de fréquences (États-Unis) | 512 - 541.7 MHz |
| Portée sans fil | Plus de 164 pieds (50 mètres) |
| Source d'énergie | Rechargeable Lithium Battery (USB Powered) |
| Batterie du microphone | 18650 1200mAh (user-replaceable) |
| Connecteur du récepteur | 1/4" TS Plug |
| Matériel | Métal |
| Diagramme polaire | Unidirectionnel (cardioïde) |
| Nombre de canaux | 16 |
| Poids de l'article | 15.7 onces (environ 445 g) |
| Dimensions du colis | 13 x 5.6 x 2.6 pouces (environ 33 x 14.2 x 6.6 cm) |
9. Garantie et assistance
For warranty information, technical support, or service inquiries, please refer to the official Gemini webConsultez leur site web ou contactez directement leur service client. Conservez votre preuve d'achat pour toute réclamation au titre de la garantie.
Gemini Customer Support: S'il vous plaît visitez www.geminisound.com/support pour obtenir les informations d'assistance les plus récentes et les coordonnées.
