• THT741C

  • THT82

  • THT504

  • THT504+

  • THT709

  • THT712

  • THT740

  • THT741



Huge entertainment in a compact design

THT504+ is a high-performing small-sized DVB-T receiver with great features for Free-To-Air TV and radio entertainment. Use the opportunity to experience excellent sound quality in Dolby® Digital Plus* by connecting the receiver to a Home Theatre system. It is also equipped with a display showing channel number or time, favourite lists, parental lock, multi-lingual subtitles, Videotext and much more. THT504+: huge entertainment and a compact size.

Product overview

  • Quick and easy installation
  • Electronic TV Programme Guide (EPG)
  • Booking of events directly from EPG
  • USB: Recording, software updates
  • 1000 channels memory capacity
  • Teletext, subtitling and audio track support
  • New tuner technology for excellent reception
  • Dolby® Digital Plus
  • User-friendly remote control
  • Power saving automatic standby function
USB Recording Timeshift EPG Digital Audio Parental Control 1000 Channels
 Teletext / Subtitel Booking of event timers ECO
HDTV receiver for digital Free-To-Air TV and radio programmes via outdoor or indoor antenna(1)
Quick and easy installation & user-friendly menu
Excellent audio and video quality
New tuner technology for excellent reception
USB port: record TV programmes, play files(2), update receiver software via USB storage device
Supports Dolby® Digital Plus(3)
Electronic TV Programme Guide (EPG) for on screen programme information of present/following event information up to 7 days(4)
8 favourite lists for TV and radio programmes
1000 channels memory capacity
Multi-lingual, high definition on screen display (OSD)
Automatic and manual channel scan options
8 event timers with 4 modes (once, daily, weekly, monthly)
Parental lock function for menu and rating control for channel
Teletext, full multi-lingual DVB subtitling and audio track support(4)
Booking of events directly from EPG
USB power control for power saving in standby mode
Fast channel zapping: sorting by alphabet, free/encrypted channels
Many channel handling options: lock, edit, move, sort, skip, delete and rename
Digital sound through coaxial output (S/PDIF) by connecting to digital amplifier
PAL converting automatically
2 games (Sudoku and Othello)
DVB-T compliant, UHF/VHF tuner with loop-through function
3,5 mm stereo jack for connection to audio amplifier
Support of active antenna by 5 V output
Power saving automatic standby function
Accessories: Remote control, 2x AAA batteries
Connections: ANT IN, ANT OUT, HDMI, S/PDIF Coaxial, Audio L/R, TV SCART, USB port
Display showing channel number or time
ReceptionDVB-T HD
Dolby® Digital Plusavailable
Aspect ratio4:3 Letterbox, 4:3 Pan & Scan, 16:9, Auto
Video resolution480i, 480p, 576i, 576p, 720p, 1080i, 1080p, By Native TV, By source
Audio modeMono, Stereo
Quick and easy installationavailable
Channel memory capacity1000
Favourite list8
Timer functions8
Software updateUSB
Multiliungual subtitling and audio track supportavailable
Parental lock functionavailable
Automatic standby functionavailable
USB Power controlavailable
Installation Instructionsavailable
Remote controlavailable
Tuner inavailable
Tuner outavailable
TV SCARTavailable
Audio Digital (S/PDIF)Coax.
Audio stereo jack3.5 mm
Power consumption in operationMax 12 W, typ. 4.87 W
Power consumption in standbymax. 1.0 W
Size (W x D x H) in mm148 x 130 x 37
Weight in kg0.26


Possible cause

What to do

LED indicator not lit

Mains lead unplugged

Check mains plug

No signal found

Aerial is disconnected
Aerial is damaged/misaligned
Out of digital signal area
Active antenna requires to switch ON antenna power/external power

Check aerial lead
Check aerial
Check with dealer
Switch receiver’s Antenna Power ON/connect external power

No picture or sound on TV or amplifier

HDMI or SCART is not selected on your TV or amplifier or the unit is set to higher resolution as the TV supports.
TV/amplifier is not switched on

Switch to correct TV/amplifier input
Select lower resolution on receiver
Switch TV/amplifier on.
Check if S/PDIF connection is used.


Scrambled channel

Channel is scrambled

Select alternative channel

No response to remote control

Receiver off
Remote not aimed correctly
Front panel obstructed
Remote batteries exhausted

Plug in and turn on plug
Aim remote at front panel
Check for obstructions
Replace remote batteries

Forgotten PIN code
Forgotten channel  lock code


Default PIN is <1234>
Contact local Service Hotline or send email to our Support.

After moving the receiver to another room/area you are no longer able to receive digital reception

Antenna signals are too weak
The signal strength/quality might be less than before, if using an indoor antenna.

Press the [INFO] button on remote 3x to call up signal bars and adjust antenna for (maximum) reception
or rescan channels
When using an active antenna, check antenna power.
Try to use an outdoor antenna.

The receiver switches off automatically.

Auto Standby function enabled.

Disable auto standby. See section <7.3.7> for details.

Playback of video (or Timeshift) is causing picture freeze/macro blocks or similar distortion, especially on HD content.

Read/write speed of your USB device could be too low.

Make sure to use a USB storage device with sufficient speed and space. Pen drives (‘USB sticks’) may not support sufficient speed.