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General| Brand | Opticum |
|---|---|
| Model | HD T90 |
| Category | Media Converter |
| Language | English |
Provides an overview of the receiver's features, remote control, and more.
Lists the items included in the receiver package.
Describes the buttons and indicators on the front panel of the receiver.
Details the connectors and ports located on the rear panel of the receiver.
Explains the functions of each button on the remote control.
Guides on how to connect the receiver to a TV set, use USB drive, and more.
Explains the initial setup process after turning on the receiver for the first time.
Details the process of scanning for TV and radio channels after initial setup.
Describes the automatic power-off feature for energy saving.
Provides guidelines for using external USB drives with the receiver.
Instructions on how to enable antenna power supply for active antennas.
A brief guide on basic operations like turning on/off and changing channels.
Details various methods for changing channels on the receiver.
Explains how to set the receiver to automatically turn off after a specified time.
Describes how to display information about the current channel and program.
Information on using the Electronic Programme Guide for schedules and timers.
Details how to set timer functions for recording or channel switching.
Explains how to receive and operate radio channels.
Function to find channels by entering their names.
How to select available subtitle languages for a channel.
How to select different audio streams or languages for a channel.
Accessing and using the Teletext service for information.
Functionality for recording programs using a connected USB storage device.
Allows pausing live broadcasts and resuming playback later.
How to access and navigate the main menu of the receiver.
Manage channels: move, delete, edit, lock, skip, and list operations.
Configure auto scan, channel scan, tuner power, scan settings, and transmitter list.
Customize language, display, audio, time, parental lock, and menu settings.
Manage passwords, parental lock, menu lock, and channel lock for security.
Customize On-Screen Display appearance, transparency, and volume step.
Configure Auto Standby and automatic turn-on after power blackout.
View system info and perform software upgrades via RS232, OTA, or USB.
Play built-in games like Othello and Sudoku.
Manage recordings, HDD format, DVR settings, timeshift, and jump playback.
Displays relevant information about the connected USB device.
Troubleshooting steps for when the receiver has no power.
Solutions for issues related to no signal reception.
Steps to resolve issues with no picture or sound on the TV.
What to do when a scrambled channel message appears.
Troubleshooting steps for when the remote control is not responding.
Resolving issues where audio or subtitle languages are not as selected.
Steps to resolve the problem of having no sound from the receiver.
Addressing serious distortion or abnormal signal reception.
Troubleshooting the receiver switching off automatically.
Alerts the user to dangerous voltage and the risk of electric shock.
Warns against opening the cabinet and advises referring servicing to qualified personnel.
Alerts the user to important operating and maintenance procedures.
Warns against using the receiver near water or in wet conditions.
Warns against placing flammable objects on the cabinet to prevent fire risk.
Advises connecting the unit only to the specified type of power supply.
Warns against opening the cabinet and touching internal components due to diodes.
Emphasizes the importance of reading the user manual for proper use.
Warns against opening the cabinet to prevent direct exposure to radiation.
Instructions on how to clean the receiver's cabinet, panel, and remote control.
Warns against using unauthorized attachments that may pose risks.
Advice on proper placement to ensure ventilation and prevent overheating.
Guidance on protecting the power cord from damage and tampering.
Warns against inserting objects or spilling liquids into the receiver.
Explains moisture formation and how to correct it by operating the unit.
Advises using only manufacturer-specified parts for replacements.
Recommendation for service technicians to perform overall safety checks after maintenance.
Guidance for private households on disposing of products in the EU.
Guidance for business users on product disposal within the European Union.
Information on correct product disposal methods outside the EU.
Details processor, input plugs, frequency, signal levels, bandwidth, and modulation.
Specs for MPEG profiles, aspect ratio, resolution, and audio decoding/modes.
Information on connectors, voltage, power, size, weight, and operating temperatures.
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