1. Acabatview
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 connexions.

Imatge 1: Extern View, Installation Dimensions, Rear View, and Specifications of the Aiphone GBM-2MKA Intercom System.
2.1 Extern View (Davant)
- Botó d'emergència: For emergency calls.
- Micròfon: Per a la comunicació de veu.
- Pantalla LCD en color: 3.5-inch TFT display for video and information.
- Botó F1: Botó de funció 1.
- Botó F2: Botó de funció 2.
- Notification Indicator Light (Blue): Illuminates when a notification is present.
- Notification Button: To access notifications.
- Botó de menú: To navigate system menus.
- Ponent: Per a la sortida d'àudio.
- Unlock Indicator Light (Yellow): Illuminates when the door is unlocked.
- Talk Indicator Light (Green): Illuminates during a call.
- End Button: To terminate a call or exit a menu.
- Botó de trucada: To initiate a call.
- Botó de desbloqueig: To unlock the door.
- Interruptor d'alimentació: Per encendre/apagar la unitat.
2.2 Darrera View
- Setting Switch: For system configuration.
- Connector Insertion Port: Per connectar dispositius externs.
- AC Power Terminal (Power Cable): Per connectar la font d'alimentació principal.
- Connection Terminal (Signal Cable): For connecting signal wires.
3. Instal·lació
The GBM-2MKA master unit is designed for wall-mounting. Ensure proper wiring and secure attachment for optimal performance.
3.1 Dimensions d'instal·lació
- Unit Dimensions (W x H): Approximately 122 mm x 217 mm.
- Profunditat: 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 Procediment de muntatge
- Fixeu el suport de muntatge a la paret amb els cargols adequats.
- 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. Configuració
Initial setup involves configuring the system settings to match your apartment or condominium environment.
4.1 Configuració bàsica
- Utilitza el Interruptor de configuració on the rear of the unit to access configuration options. Refer to the detailed setup guide for specific switch positions and their functions.
- Assegureu-vos el 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. Instruccions de funcionament
This section outlines the primary functions and operations of your Aiphone GBM-2MKA intercom system.
5.1 Recepció d'una trucada
- 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 Pantalla LCD en color.
- Premeu el botó Botó de trucada to answer the call and begin communication. The Talk Indicator Light (Green) il·luminarà.
- Per finalitzar la trucada, premeu el botó Botó de fi.
5.2 Modes de comunicació
- Automatic Hands-free: Allows for two-way communication without holding down a button.
- Prem per parlar: Requires holding down the Botó de trucada to speak and releasing it to listen.
5.3 Door Release
Durant una trucada, premeu el botó Botó de desbloqueig to release the door lock. The Unlock Indicator Light (Yellow) will illuminate briefly.
5.4 Emergency and Notification Functions
- Botó d'emergència: Press this button in an emergency to alert designated contacts or security personnel.
- Notification Button: Premeu per view stored notifications. The Notification Indicator Light (Blue) signals new notifications.
5.5 Navegació de menús
Premeu el botó Botó de menú to access system settings, review call history, or adjust display options. Use the F1 i F2 buttons to navigate through menu options and the Botó de trucada per confirmar les eleccions.
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. Manteniment
Regular maintenance ensures the longevity and optimal performance of your intercom system.
6.1 Neteja
- Wipe the unit's surface with a soft, dry cloth.
- No utilitzeu netejadors abrasius, dissolvents ni ruixeu directament sobre la unitat.
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. Solució De Problemes
If you encounter any issues with your intercom system, refer to the following common troubleshooting steps. For more complex problems, contact customer support.
- Sense energia: Check if the power switch is ON and if the AC power terminal is securely connected.
- Sense vídeo/àudio: Ensure all signal cables are properly connected. Check the door station for power.
- L'obertura de la porta no funciona: Verify the wiring to the door lock mechanism and ensure the unlock button is functioning correctly.
- Mala qualitat d'imatge: Clean the camera lens on the door station.
8. Especificacions
| Característica | Especificació |
|---|---|
| Potència Voltage | AC100V 50 / 60Hz |
| Consum d'energia | Standby: 1.7W, Maximum: 7.6W |
| Monitor | 3.5-inch TFT Color LCD Monitor |
| Recompte de píxels | 230,000 píxels |
| Mètode de trucada | Automatic Hands-free / Push-to-talk |
| Temperatura ambient de funcionament | 0 ℃ a 40 ℃ |
| Door Station Units | 1 unitat |
| Monitor Sub-unit Units | 1 unitat |
| Notification Storage Count | Max 40 items (max 6 images per item) |
| Call Sound Patterns | Ping-pong, Ping-pong-pan, Pipopan (x3), Piririri (x4) |
| Forma | Tipus de paret |
| Compatible Box | JIS 1-gang switch box + separator |
| Material | Self-extinguishing PC + ABS resin |
| Pes | Aprox. 410 g |
| To de color | Snow White (5Y9.3/0.1 approximate Munsell value) |
| Observacions | Només per a ús interior |
| Número de producte | GBM-2MKA |
| Data de creació | 2020/08/20 |
9. Garantia i Suport
9.1 Informació de la garantia
This Aiphone product comes with a Període de garantia d'2 any from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper installation.
9.2 Atenció al client
For technical assistance, troubleshooting, or warranty service, please contact Aiphone customer support. Refer to the official Aiphone weblloc web o la documentació de compra per obtenir la informació de contacte més actualitzada.





