This document describes a digital terrestrial receiver, likely a set-top box, designed for receiving DVB-T/T2 signals. It provides instructions for installation, operation, and troubleshooting, along with technical specifications.

Function Description:

The device functions as a digital terrestrial receiver, allowing users to receive and view digital television and radio channels. It includes features for channel management, installation settings, language selection, AV output configuration, time settings, system adjustments, and media playback. The receiver supports external USB devices for media center functionalities, including playing music, pictures, and movies, as well as managing recordings.

Important Technical Specifications:

Tuner:
- Frequency Range: VHF Band (174 MHz ~ 230 MHz), UHF Band (470 MHz ~ 868 MHz)
- Bandwidth: 6 MHz, 7 MHz, 8 MHz
- Input Impedance: 75 Ohm
- Signal Input Level: -65 ~ -25 dBm
- RF Power Output: 5V, Max 100mA
Demodulation:
- Demodulator: 16QAM/64QAM/256QAM
- Guard Intervals: 1/4, 19/256, 1/8, 19/128, 1/16, 1/32, 1/1
- Code Rate:
  - DVB-T: Viterbi+ReedSolomon (1/2, 2/3, 3/4, 5/6, 7/8)
  - DVB-T2: LPDC+BCH
Connections:
- ANT IN: IEC connector
- SCART: RGB/CVBS VIDEO
- S/PDIF: Digital audio output
- HDMI: For connecting to HDMI-enabled devices
- USB: USB 2.0 (5V, Max 500mA) for external devices
- DC IN: 5V/1.5A for power adapter
- IR: For connecting the remote sensor
Power:
- Input: DC IN 5V/1.5A
- Consumption: Max 7.5W
Display:
- Decoder Module: PAL, NTSC
- Resolution: 720X576(PAL), 720X480(NTSC), 720P, 1080i, 480i, 480P, 576i, 576P, 1080P
Decoding:
- Aspect Rate: 4:3 (Letterbox, Pan & Scan), 16:9
- Video: MPEG2 Transport MP@ML.HL, MPEG4 AVC/H.264/ HP@L4//H.265
- Audio: MPEG2 Audio Layer I&II
Others:
- Compliance: Standard DVB-T (EN 300 744) & DVB-T2 (EN 302 755)
- Sound Mode: Right, Left, Stereo

Usage Features:

Front Panel Controls: Includes buttons for Channel Up (CH+), Channel Down (CH-), and Standby, allowing basic operation without the remote. An LED display shows time or channel information. A remote control sensor is also present.
Remote Control Functionality: A comprehensive remote control provides access to all device functions, including:
- Mute/Restore Audio
- Color Buttons (Blue for Audio Language/Mode, Yellow for Teletext, Green for Video Resolution, Red for Find Program)
- STOP, F1 (Timer setting), RELOAD (switch between last two viewed channels)
- SHIFT (Timeshift), INFO (additional channel information)
- OK (confirms entry/selection, displays channel list)
- RIGHT/LEFT (navigates menus, adjusts volume)
- EXIT (exits menu, returns to previous menu)
- PAGE+/- (page up/down)
- Numeric Buttons (0-9) for channel selection/setting
- TV/RADIO (switches between TV and Radio functions)
- STANDBY (on/standby toggle)
- FAST FORWARD/REWIND (during media play)
- PAUSE, PLAY (during media play)
- CH+/CH- (channel up/down)
- SUB (subtitles language), EPG (Electronic Program Guide)
- UP/DOWN (navigates menus, selects next/previous channel)
- MENU (turns on Main Menu)
- FAV (opens favorite group selection)
- VOL+/- (increases/decreases volume)
- RECORD (records programs)
- MEDIA (accesses local video manager)
First Installation Wizard: Guides users through initial setup, including OSD language, country, TV system, video resolution, aspect mode, antenna power, summer time, and channel search (DVB-T/T2).
Channel Management: Allows users to view TV and Radio channel lists, set parental lock, and delete channels.
Installation Settings: Configures terrestrial (DVB-T2) and cable (DVB-C) menu settings, including LCN (Logical Channel Numbering).
Language Settings: Adjusts OSD language, first audio, second audio, subtitle language, and teletext language.
AV Settings: Configures TV system, video resolution, aspect mode, Scart output, audio output, audio description, and audio description volume.
Time Settings: Sets GMT usage, GMT offset, summer time, date, and time, with a list of major cities for time zone reference.
System Settings: Provides access to information, factory settings, timer settings, OSD settings, USB upgrade/backup, CA settings, and standby settings.
Standby Settings: Configures auto standby duration, clock display in standby, and standby mode (deep or soft).
Media Center: Supports playback of MP3, JPEG, and BMP files from USB devices. It can manage recordings and provides DVR configuration, HDD information, and storage format options. Supports NTFS and FAT32 file systems for USB devices.

Maintenance Features:

Safety Instructions: Emphasizes reading and following all instructions, keeping the apparatus away from water and heat sources, ensuring proper ventilation, using specified attachments, unplugging during storms or long periods of disuse, and referring servicing to qualified personnel.
Battery Installation: Clear instructions for installing 2 "AAA" size batteries in the remote control.
Troubleshooting Guide: A dedicated section helps users diagnose and resolve common issues such as no picture, no signal, no sound, only sound/no image, non-functional remote control, and image stopping/mosaic, by suggesting potential reasons and corresponding actions.
Warning for USB Usage: Advises plugging USB memory sticks directly into the unit and avoiding USB extension cables to prevent data transfer failures and interference.
Environmental Considerations: Highlights the importance of proper battery disposal and the product's marking for separate waste collection within the EU to promote sustainable reuse and prevent environmental harm.
Electrical Safety: Includes a "CAUTION: RISK OF ELECTRIC SHOCK! DO NOT OPEN!" warning and symbols indicating dangerous voltages, important operating instructions, and double insulation.
Cleaning: Specifies cleaning only with a dry cloth.

ab TereBox 2T - Accessories

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