1. Plus deview
The Aiphone GBM-2MKA is a monitor-equipped master unit intercom system designed for small-scale apartments and condominiums. This model is the successor to the GBM-2MK. It offers enhanced features for security and convenience, including a color LCD display and various operational buttons for communication and access control.
2. Product Components and External View
The following diagram illustrates the external view and key components of the GBM-2MKA master unit, along with its installation dimensions and rear view relations.

Image 1: Externe View, Installation Dimensions, Rear View, and Specifications of the Aiphone GBM-2MKA Intercom System.
2.1 External View (De face)
- Bouton d'urgence: Pour les appels d'urgence.
- Microphone: Pour la communication vocale.
- Écran LCD couleur : 3.5-inch TFT display for video and information.
- Bouton F1 : Bouton de fonction 1.
- Bouton F2 : Bouton de fonction 2.
- Notification Indicator Light (Blue): Illuminates when a notification is present.
- Notification Button: To access notifications.
- Bouton Menu : To navigate system menus.
- Conférencier: Pour la sortie audio.
- Unlock Indicator Light (Yellow): Illuminates when the door is unlocked.
- Talk Indicator Light (Green): Illuminates during a call.
- Bouton de fin : To terminate a call or exit a menu.
- Bouton d'appel: To initiate a call.
- Bouton de déverrouillage : To unlock the door.
- Interrupteur: Pour allumer/éteindre l'appareil.
2.2 Arrière View
- Setting Switch: For system configuration.
- Connector Insertion Port: Pour connecter des périphériques externes.
- AC Power Terminal (Power Cable): Pour le raccordement à l'alimentation principale.
- Connection Terminal (Signal Cable): For connecting signal wires.
3. Installation
The GBM-2MKA master unit is designed for wall-mounting. Ensure proper wiring and secure attachment for optimal performance.
3.1 Cotes d'installation
- Unit Dimensions (W x H): Approximately 122 mm x 217 mm.
- Profondeur: Approximately 23.5 mm (excluding mounting bracket).
- Mounting Bracket Depth: Approximately 4 mm.
- Recommended Floor Level (FL): 1,400 mm from the center of the device.
- Opening Dimensions for Wiring: 50 mm (width) x 70 mm (height) (indicated by parentheses in the diagram).
3.2 Procédure de montage
- Fixez le support de montage au mur à l’aide de vis appropriées.
- Connect the power cable (strong current) to the AC Power Terminal and the signal cable (weak current) to the Connection Terminal on the rear of the unit.
- Insert the unit onto the mounting bracket, ensuring it clicks securely into place.
- Verify all connections are firm and the unit is stable.
4. Installation
Initial setup involves configuring the system settings to match your apartment or condominium environment.
4.1 Configuration de base
- Utilisez le Commutateur de réglage on the rear of the unit to access configuration options. Refer to the detailed setup guide for specific switch positions and their functions.
- Assurez-vous que Connector Insertion Port is used for any necessary external module connections.
4.2 System Pairing (if applicable)
If your system includes multiple monitor sub-units or door stations, follow the pairing instructions provided in the comprehensive installation manual to establish communication between all devices.
5. Mode d'emploi
This section outlines the primary functions and operations of your Aiphone GBM-2MKA intercom system.
5.1 Recevoir un appel
- When a visitor presses the call button on the door station, the master unit will emit a call sound and display the visitor's image on the Écran LCD couleur.
- Appuyez sur le Bouton d'appel to answer the call and begin communication. The Talk Indicator Light (Green) s'illuminera.
- Pour mettre fin à l'appel, appuyez sur la touche Bouton de fin.
5.2 Modes de communication
- Automatic Hands-free: Allows for two-way communication without holding down a button.
- Parler : Requires holding down the Bouton d'appel to speak and releasing it to listen.
5.3 Déverrouillage de porte
Pendant un appel, appuyez sur la Bouton de déverrouillage to release the door lock. The Unlock Indicator Light (Yellow) will illuminate briefly.
5.4 Emergency and Notification Functions
- Bouton d'urgence: Press this button in an emergency to alert designated contacts or security personnel.
- Notification Button: Appuyez pour view stored notifications. The Notification Indicator Light (Blue) signals new notifications.
5.5 Navigation dans les menus
Appuyez sur le Bouton Menu to access system settings, review call history, or adjust display options. Use the F1 et F2 buttons to navigate through menu options and the Bouton d'appel pour confirmer les sélections.
5.6 Call Sounds
The system offers various call sound patterns:
- Call Sound ①: Ping-pong, Ping-pong
- Call Sound ②: Ping-pong-pan
- Call Sound ③: Pipopan Pipopan Pipopan Pipopan (x3)
- Call Sound ④: Piririri Piririri (x4)
6. Entretien
Un entretien régulier garantit la longévité et les performances optimales de votre système d'interphone.
6.1 Nettoyage
- Wipe the unit's surface with a soft, dry cloth.
- Do not use abrasive cleaners, solvents, or spray directly onto the unit.
6.2 Battery Replacement (Door Station)
The door station is designed for long battery life, up to 24 months when using nickel-hydrogen batteries (capacity 2500mAh or more) and with the door monitor setting off. The master unit will notify you when the door station battery is low via a display message and an indicator light, reducing the need for frequent battery checks.
7. Dépannage
If you encounter any issues with your intercom system, refer to the following common troubleshooting steps. For more complex problems, contact customer support.
- Pas d'alimentation : Check if the power switch is ON and if the AC power terminal is securely connected.
- Pas de vidéo/audio : Ensure all signal cables are properly connected. Check the door station for power.
- Le déverrouillage de la porte ne fonctionne pas : Verify the wiring to the door lock mechanism and ensure the unlock button is functioning correctly.
- Mauvaise qualité d'image : Clean the camera lens on the door station.
8. Spécifications
| Fonctionnalité | Spécification |
|---|---|
| Vol. de puissancetage | AC100V 50 / 60Hz |
| Consommation d'énergie | Standby: 1.7W, Maximum: 7.6W |
| Moniteur | 3.5-inch TFT Color LCD Monitor |
| Nombre de pixels | 230,000 pixels |
| Méthode d'appel | Automatic Hands-free / Push-to-talk |
| Température ambiante de fonctionnement | 0℃ à 40℃ |
| Door Station Units | 1 unité |
| Monitor Sub-unit Units | 1 unité |
| Notification Storage Count | Max 40 items (max 6 images per item) |
| Call Sound Patterns | Ping-pong, Ping-pong-pan, Pipopan (x3), Piririri (x4) |
| Forme | Type mural |
| Compatible Box | JIS 1-gang switch box + separator |
| Matériel | Self-extinguishing PC + ABS resin |
| Poids | Environ 410 g |
| Tonalité de couleur | Snow White (5Y9.3/0.1 approximate Munsell value) |
| Remarques | Utilisation en intérieur uniquement |
| Numéro de produit | GBM-2MKA |
| Date de création | 2020/08/20 |
9. Garantie et assistance
9.1 Informations sur la garantie
This Aiphone product comes with a Période de garantie d'un an À compter de la date d'achat, veuillez conserver votre preuve d'achat pour toute réclamation au titre de la garantie. La garantie couvre les défauts de matériaux et de fabrication dans des conditions normales d'utilisation. Elle ne couvre pas les dommages causés par une mauvaise utilisation, un accident, des modifications non autorisées ou une installation incorrecte.
9.2 Assistance clientèle
For technical assistance, troubleshooting, or warranty service, please contact Aiphone customer support. Refer to the official Aiphone webConsultez le site ou votre documentation d'achat pour obtenir les coordonnées les plus récentes.