Product Overview
The Aiphone GT-1D Indoor Audio Station is a reliable and easy-to-use intercom system designed for internal communication and door access control. It features a handset for clear audio communication and intuitive buttons for managing calls and unlocking doors. This unit is ideal for apartment complexes, offices, and other multi-unit dwellings requiring secure and efficient entry management.

Figure 1: Aiphone GT-1D Indoor Audio Station. This white unit features a handset on the left and a panel with three circular buttons on the right. The handset is connected by a coiled cord at the bottom.
Setup and Installation
The Aiphone GT-1D is designed for straightforward installation, typically requiring a 2-wire connection. It is intended for wall-mounted installation. For optimal performance and safety, professional installation is recommended.
Mounting the Unit
- Ensure the mounting surface is clean and stable.
- Identify the appropriate location for the unit, typically near the main entrance or in a central living area.
- Secure the mounting bracket (if applicable, not included) to the wall using appropriate screws and anchors.
- Connect the 2-wire system wiring to the designated terminals on the back of the unit. Ensure correct polarity.
- Carefully attach the GT-1D unit to the mounted bracket, ensuring it is securely fastened.
After physical installation, test the unit's functionality by initiating a call from the street turntable and verifying audio communication and door release operation.
Operating Instructions
The GT-1D audio station provides simple controls for managing incoming calls and granting access.
Receiving a Call
- When a visitor calls from the street turntable, the indoor station will ring.
- Lift the handset from its cradle to answer the call and establish two-way audio communication.
Unlocking the Door
- During an active call, press the door release button (often marked with a key icon) on the right panel of the unit. This will momentarily unlock the entrance door.
Other Functions
- The unit typically includes a monitor button (often marked with a camera or monitor icon) to listen to the outdoor station without answering a call.
- A talk button (often marked with a microphone icon) may be present for initiating communication or switching between talk/listen modes if not automatic.
Ensure the handset is properly placed back in its cradle after use to terminate the call and prepare for the next incoming communication.
Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your Aiphone GT-1D audio station.
Cleaning
- Wipe the exterior of the unit with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or strong chemicals, as these can damage the finish.
- Ensure no liquid enters the unit's openings.
General Care
- Avoid exposing the unit to excessive moisture or direct sunlight.
- Do not attempt to open the unit or perform repairs yourself, as this may void the warranty and cause damage.
Troubleshooting
If you experience issues with your Aiphone GT-1D, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio during a call. | Loose wiring connection; faulty handset; issue with outdoor station. | Check wiring connections. Ensure handset is properly seated. If problem persists, contact a qualified technician. |
| Door release button not working. | No active call; wiring issue to door strike; faulty button. | Ensure you are on an active call. Verify wiring to the door strike. Contact a technician if the issue continues. |
| Unit not ringing. | Outdoor station not calling; wiring issue; unit malfunction. | Test the outdoor station. Check wiring. If necessary, consult a professional. |
For complex issues or repairs, always contact a certified Aiphone service technician.
Specifications
- Model Name: GT-1D
- Brand: Aiphone
- Color: White
- Connectivity Technology: Wired
- Product Dimensions: 3 x 4 x 9 inches (7.62 x 10.16 x 22.86 cm)
- Item Weight: 14.4 ounces (0.41 kg)
- Material: Stainless Steel (as per manufacturer specifications)
- Included Components: Cable
- Specific Uses: Internal communication, Doorbell
- Control Type: Call Control, Push Button, Remote
- Ear Placement: Open Ear (referring to handset design)
- Headphones Jack: 3.5 mm Jack (for compatible accessories, if applicable)
Warranty Information
For detailed warranty information regarding your Aiphone GT-1D Indoor Audio Station, please refer to the documentation included with your purchase or visit the official Aiphone website. Warranty terms and conditions may vary by region and purchase date.
Support and Contact
If you require further assistance, technical support, or have questions not covered in this manual, please contact Aiphone customer support directly. Contact details can typically be found on the Aiphone official website or on your product packaging.
You can also visit the Aiphone Official Website for product updates, FAQs, and additional resources.





