Aiphone GBM-2MKA Small-Scale Apartment/Condominium Intercom System User Manual

1. Overview

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 connections.

Image 1: External View, Installation Dimensions, Rear View, and Specifications of the Aiphone GBM-2MKA Intercom System.

2.1 External View (Front)

• Emergency Button: For emergency calls.
• Microphone: For voice communication.
• Color LCD Display: 3.5-inch TFT display for video and information.
• F1 Button: Function button 1.
• F2 Button: Function button 2.
• Notification Indicator Light (Blue): Illuminates when a notification is present.
• Notification Button: To access notifications.
• Menu Button: To navigate system menus.
• Speaker: For audio output.
• 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.
• Call Button: To initiate a call.
• Unlock Button: To unlock the door.
• Power Switch: To turn the unit on/off.

2.2 Rear View

• Setting Switch: For system configuration.
• Connector Insertion Port: For connecting external devices.
• AC Power Terminal (Power Cable): For connecting the main power supply.
• 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 Installation Dimensions

• Unit Dimensions (W x H): Approximately 122 mm x 217 mm.
• Depth: 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 Mounting Procedure

1. Secure the mounting bracket to the wall using appropriate screws.
2. 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.
3. Insert the unit onto the mounting bracket, ensuring it clicks securely into place.
4. Verify all connections are firm and the unit is stable.

4. Setup

Initial setup involves configuring the system settings to match your apartment or condominium environment.

4.1 Basic Configuration

• Use the Setting Switch on the rear of the unit to access configuration options. Refer to the detailed setup guide for specific switch positions and their functions.
• Ensure the 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. Operating Instructions

This section outlines the primary functions and operations of your Aiphone GBM-2MKA intercom system.

5.1 Receiving a Call

1. 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 Color LCD Display.
2. Press the Call Button to answer the call and begin communication. The Talk Indicator Light (Green) will illuminate.
3. To end the call, press the End Button.

5.2 Communication Modes

• Automatic Hands-free: Allows for two-way communication without holding down a button.
• Push-to-talk: Requires holding down the Call Button to speak and releasing it to listen.

5.3 Door Release

During a call, press the Unlock Button to release the door lock. The Unlock Indicator Light (Yellow) will illuminate briefly.

5.4 Emergency and Notification Functions

• Emergency Button: Press this button in an emergency to alert designated contacts or security personnel.
• Notification Button: Press to view stored notifications. The Notification Indicator Light (Blue) signals new notifications.

5.5 Menu Navigation

Press the Menu Button to access system settings, review call history, or adjust display options. Use the F1 and F2 buttons to navigate through menu options and the Call Button to confirm selections.

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. Maintenance

Regular maintenance ensures the longevity and optimal performance of your intercom system.

6.1 Cleaning

• 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. Troubleshooting

If you encounter any issues with your intercom system, refer to the following common troubleshooting steps. For more complex problems, contact customer support.

• No Power: Check if the power switch is ON and if the AC power terminal is securely connected.
• No Video/Audio: Ensure all signal cables are properly connected. Check the door station for power.
• Door Release Not Working: Verify the wiring to the door lock mechanism and ensure the unlock button is functioning correctly.
• Poor Image Quality: Clean the camera lens on the door station.

8. Specifications

9. Warranty and Support

9.1 Warranty Information

This Aiphone product comes with a 2-year warranty period 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 Customer Support

For technical assistance, troubleshooting, or warranty service, please contact Aiphone customer support. Refer to the official Aiphone website or your purchase documentation for the most current contact information.