1. Introduction
1.1 Product Overview
The Aiphone GT-1C is a hands-free audio/video tenant station designed for integration into GT series multi-unit entry intercom systems. This unit facilitates communication with visitors at the entry station, offering both audio and video capabilities. It is equipped with essential controls for door release, communication, and system options, enhancing security and convenience for residents.
Figure 1: Aiphone GT-1C Video Tenant Station. This image displays the white tenant station with a 3.5-inch color LCD screen, a speaker grille, and various control buttons including door release, option, guard, talk, and off. A zoom/wide control knob and an adjust button for light are also visible.
1.2 Key Features
- 3.5" color LCD screen for clear visitor identification.
- Hands-free (VOX) or push-to-talk (simplex) communication modes.
- Equipped with door release, security guard/concierge call, and optional service buttons.
- PTZ (Pan/Tilt/Zoom) and brightness control for the entry camera.
- Adjustable call tone volume and communication volume.
- Supports an optional handset (GT-HS) for private communication.
- Slim, streamlined design for surface mounting.
- Capable of receiving emergency tones from pull cords or panic buttons.
2. Setup and Installation
The Aiphone GT-1C tenant station is part of a multi-tenant intercom system. Proper installation requires knowledge of low-voltage wiring and system configuration. It is highly recommended that installation be performed by a qualified professional to ensure optimal performance and system integrity.
2.1 Pre-Installation Considerations
- Ensure compatibility with your existing Aiphone GT series multi-tenant intercom system.
- Verify power requirements and wiring infrastructure meet the system specifications.
- Select a suitable surface-mount location within the tenant unit, away from direct sunlight or heat sources.
- Review the complete installation manual provided with the GT series master station for detailed wiring diagrams and configuration steps.
2.2 Mounting the Unit
- Carefully remove the front cover of the GT-1C unit to access mounting holes.
- Position the mounting bracket or the unit itself on the wall at the desired height.
- Mark the drilling points for the mounting screws.
- Drill pilot holes and secure the unit or mounting bracket to the wall using appropriate screws.
2.3 Wiring Connections
Connect the system wiring to the designated terminals on the GT-1C unit. Refer to the GT series system manual for specific wiring diagrams. Ensure all connections are secure and correctly polarized to prevent damage to the unit or system.
2.4 System Configuration
After physical installation, the GT-1C unit must be configured within the GT series intercom system. This typically involves addressing the tenant station and setting communication parameters via the master station or system programming tools. Consult the GT series system manual for detailed programming instructions.
3. Operating Instructions
This section details the functions and operation of your Aiphone GT-1C Video Tenant Station.
3.1 Receiving a Call
- When a visitor calls from the entry station, the GT-1C will ring, and the visitor's image will appear on the 3.5" color LCD screen.
- To answer the call, press the TALK button. Communication will begin hands-free (VOX) at the entry station.
- To end the call, press the OFF button.
3.2 Communication Modes
- Hands-Free (VOX): When communicating with a visitor, the system can operate hands-free. Speak normally towards the unit.
- Push-to-Talk (Simplex): If preferred, or in noisy environments, you can press and hold the TALK button to speak and release it to listen.
- Optional Handset (GT-HS): If an optional GT-HS handset is connected, lift the handset to answer a call for private communication.
3.3 Door Release
During an active call with a visitor, press the DOOR RELEASE button (often indicated by a key icon) to unlock the entry door. The door will remain unlocked for a preset duration.
3.4 Calling Guard/Concierge
Press the GUARD button to initiate a call to the security guard or concierge station. This function allows direct communication with building personnel.
3.5 PTZ and Brightness Control
While viewing the visitor on the screen, use the ZOOM/WIDE control knob to adjust the camera's view at the entry station. Press the ADJUST button (often indicated by sun/moon icons) to modify the brightness of the video feed for better visibility in varying light conditions.
3.6 Volume Control
- Call Tone Volume: Adjust the volume of the incoming call ring tone using the dedicated volume control (if present, or via system settings).
- Communication Volume: Adjust the volume of the speaker during a conversation using the communication volume control.
3.7 Option Button
The OPTION button can be programmed for various functions, such as turning on a light at the entrance while speaking with a visitor, or activating other auxiliary devices connected to the system. Refer to your system administrator or installation professional for the specific function assigned to this button.
4. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your Aiphone GT-1C tenant station.
- Cleaning: Gently wipe the unit's surface and screen with a soft, dry, lint-free cloth. For stubborn marks, slightly dampen the cloth with water. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the plastic and screen.
- Inspection: Periodically check for any visible damage to the unit or its wiring. If any damage is observed, contact a qualified technician for repair.
- Software Updates: While tenant stations typically do not require user-initiated software updates, ensure that the overall GT series intercom system firmware is kept up-to-date by your building management or service provider.
- Environmental Conditions: Ensure the unit is not exposed to extreme temperatures, high humidity, or direct water contact.
5. Troubleshooting
If you encounter issues with your GT-1C tenant station, refer to the following common troubleshooting steps. For complex problems, contact your system administrator or a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| No video on screen when visitor calls. |
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| No audio during communication. |
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| Door release button not working. |
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| Unit does not power on. |
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6. Specifications
| Feature | Detail |
|---|---|
| Model Number | GT-1C |
| Screen Type | 3.5" Color LCD |
| Communication | Hands-free (VOX) or Push-to-talk (Simplex) |
| Mounting | Surface Mount |
| Dimensions (H x W x D) | 8.8 x 6.4 x 2 inches |
| Weight | 1.35 Pounds |
| Construction | ABS Plastic |
| Compatibility | Aiphone GT Series Multi-Tenant Intercom Systems |
7. Warranty and Support
7.1 Warranty Information
Aiphone products typically come with a manufacturer's warranty. For specific warranty terms and conditions applicable to your GT-1C unit, please refer to the warranty documentation included with your purchase or visit the official Aiphone website. Retain your proof of purchase for warranty claims.
7.2 Technical Support
For technical assistance, installation guidance, or troubleshooting beyond the scope of this manual, please contact your authorized Aiphone dealer, system installer, or Aiphone customer support directly. You can usually find contact information on the Aiphone official website or in your system's master manual.
- Aiphone Official Website: www.aiphone.com
- Contact your installer: For system-specific configurations and issues.