GTMEDIA GTX Combo User Manual

1. Introduction

The GTMEDIA GTX Combo is a high-performance 4K/8K UHD Smart TV Box that combines the functionalities of an Android 9.0 media player with a versatile DVB satellite and terrestrial receiver. It supports multiple digital video broadcasting standards including DVB-S/S2/S2X, DVB-T/T2/C/C2, ATSC-T, and ISDB-T, offering a comprehensive entertainment solution. With its powerful Amlogic S905X3 processor, 2GB DDR4 RAM, and 32GB ROM, the GTX Combo delivers smooth performance for streaming, gaming, and live TV.

This manual provides essential information for setting up, operating, and maintaining your GTX Combo device. Please read it carefully to ensure proper use and to maximize your viewing experience.

2. Package Contents

Please check the box for the following items:

Figure 2.1: Package Contents

• 1x GTMEDIA GTX Combo TV Box
• 1x Remote Control
• 1x Power Adapter
• 1x HD Cable (HDMI)
• 1x User Manual (this document and a printed version)
• 1x Gift Box
• 1x IEC Connector (if applicable)

3. Product Features

• Operating System: Android 9.0
• Processor: Amlogic S905X3 Quad-core 64-bit CPU
• GPU: Mali-450MP2
• Memory: 2GB DDR4 RAM
• Storage: 32GB eMMC Internal Storage (expandable via TF Card up to 32GB)
• Video Output: 8K H265_Main10 decoder, 4K display, Max Output 8K @ 30 Hz
• DVB Tuners: DVB-S/S2/S2X, ATSC-T1.0/C, DVB-T/T2/C/C2, ISDBT
• Connectivity: Wi-Fi 2.4G/5G (802.1.1b/g/n/ac), Bluetooth 4.1, 100M Ethernet
• Card Slots: CI Plus 1.4, CA Card Slot, SATA-HDD bracket for internal SSD/HDD
• Features: PVR (Personal Video Recorder), PowerVu, BISS auto roll, GTPLAYER (self-developed online media player), GTSHARE, SAT2IP, M3U, CAM protocol support, Google Cast, OTA Update, System Upgrade.

Figure 3.1: Key Features Overview

4. Setup Guide

4.1 Connecting Your Device

Before powering on, ensure all necessary cables are connected securely.

Figure 4.1: Interface Display

1. HDMI Connection: Connect one end of the provided HD Cable to the HDMI port on the GTX Combo and the other end to an HDMI input on your TV.
2. Antenna/Satellite Connection:
   • For Satellite TV: Connect your satellite dish cable to the LNB IN port.
   • For Terrestrial/Cable TV: Connect your antenna or cable TV signal to the ANT IN port.
3. Ethernet Connection (Optional): For a stable internet connection, connect an Ethernet cable from your router to the ETHERNET port on the GTX Combo. Alternatively, you can use Wi-Fi.
4. Power Connection: Connect the power adapter to the DC 12V port on the GTX Combo, then plug the adapter into a power outlet.
5. CI Plus / CA Card Insertion (Optional):
   

   Figure 4.2: CI Plus 1.4 Card Slot

   If you have a CI Plus module or a CA card for encrypted channels, insert them into the respective slots on the side of the device. Ensure correct orientation.
6. SATA-HDD Installation (Optional):
   

   Figure 4.3: SATA-HDD Bracket

   The GTX Combo is equipped with a SATA-HDD bracket. To install an SSD or HDD for recording and storage, open the device casing (refer to the full PDF manual for detailed instructions) and securely mount your drive into the bracket. Connect the SATA data and power cables.

4.2 Initial Power-On and Setup Wizard

1. Turn on your TV and select the correct HDMI input source.
2. Press the power button on the GTX Combo or the remote control.
3. The device will boot up, and you will be guided through an initial setup wizard. Follow the on-screen prompts to:
   • Select your preferred language.
   • Configure network settings (Wi-Fi or Ethernet). For Wi-Fi, select your network and enter the password.
   • Log in with your Google account (optional, but recommended for full Android app access).
   • Perform a channel scan for DVB-S/S2/S2X, DVB-T/T2/C/C2, ATSC-T, or ISDB-T, depending on your connection.

5. Operating Instructions

5.1 Android OS Navigation

The GTX Combo runs on Android 9.0, providing a familiar interface. Use the remote control to navigate through menus, launch applications, and adjust settings.

Figure 5.1: GTX Combo with Remote Control

• Home Screen: Access your installed apps, settings, and DVB functions.
• Google Play Store: Download and install additional Android applications.
• Settings: Customize display, sound, network, and other system preferences.

5.2 DVB Functions

Access the DVB interface from the home screen to manage your TV channels.

• Channel Scan: If not done during initial setup, perform an automatic or manual scan to find available satellite, terrestrial, or cable channels.
• EPG (Electronic Program Guide): View program schedules and set reminders.
• Channel Management: Organize, favorite, lock, or delete channels.
• CAM Protocol & CA Cards: For encrypted channels, ensure your CI Plus module and/or CA card are correctly inserted and configured according to your service provider's instructions.

5.3 Media Playback and PVR

• Local Media: Play videos, music, and photos from connected USB drives or the internal SATA-HDD using the built-in media player or third-party apps.
• Online Streaming: Access popular streaming services like Netflix, YouTube, and Google TV, or use the pre-installed GTPLAYER.
• PVR (Personal Video Recorder): Record live TV programs to a connected USB storage device or the internal SATA-HDD. Consult the on-screen menu for recording options (instant record, scheduled record).

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the device. Do not use liquid cleaners or abrasive materials.
• Firmware Updates: The GTX Combo supports OTA (Over-The-Air) updates. Regularly check for system updates in the settings menu to ensure optimal performance and access to new features.
• Ventilation: Ensure the device is placed in a well-ventilated area to prevent overheating. Do not block the ventilation openings.

7. Troubleshooting

• No Power: Ensure the power adapter is securely connected to the device and a working power outlet.
• No Signal/Black Screen:
  • Check HDMI cable connection to both the TV Box and TV.
  • Verify the TV is on the correct HDMI input source.
  • For DVB, check antenna/satellite cable connections and ensure a channel scan has been performed.
• No Internet Connection:
  • For Wi-Fi, check your network password and router status.
  • For Ethernet, ensure the cable is properly connected to both the device and router.
• Remote Control Not Responding: Check the batteries in the remote control and ensure there are no obstructions between the remote and the TV Box.

8. Specifications

Figure 8.1: 4K/8K Ultra HD Support

Note: Some specifications (Memory, Internal Storage) from the raw data differ from the product description. Please refer to the product packaging or official website for the most accurate details of your specific model.

9. User Tips

• DVR Recording: For DVR recording from TV aerial antenna channels to USB or the internal SATA-HDD, ensure a compatible USB drive or SATA-HDD is connected and properly formatted. The device supports 8K H265 decoding and 4K display, allowing playback of high-resolution recorded content.
• Encrypted Channels: The GTX Combo supports various CAM protocols and CA cards for accessing encrypted channels. For detailed configuration and compatibility with specific services (e.g., Cccam), refer to the full user manual PDF or the GTMEDIA technical support website.
• Regional Compatibility: The device supports multiple DVB standards including ATSC-T and ISDB-T. Verify that the specific tuner type matches the broadcasting standard in your region (e.g., ISDB-T for Argentina).

10. Warranty and Support

The GTMEDIA GTX Combo comes with a 1-year warranty. For technical assistance, firmware updates, and detailed guides, please visit the official GTMEDIA technical support website: www.freesat.cn.

A comprehensive user manual in PDF format is also available for download, which contains more in-depth instructions and troubleshooting steps. You can find it at: GTMEDIA GTX Combo User Manual (PDF).