Software Update:
Digital television is a new medium that provides improved sound and picture quality as well
as the facility to provide interactive services. These new services are constantly being deve-
loped and improved by the providers. To utilize the services, it may occasionally be necessa-
ry to update the software of the digital receiver.
Signal:
General description for data, for information, sound or pictures, the content of which is
modulated electrically to broadcast the data over a distance, or to connect various suitable
reception and viewing units with each other.
10 Technical data
DVB-T Tuner:
Input frequency range 174.... 230 MHz /
470 .... 860 MHz
Tuner input IEC socket
Input/output impedance 75 Ohms
Tuner output IEC jack
Bandwidth 7/8 MHz (switchable)
S/N ratio <8dB
Demodulation COFDM 2k/8K
No. of carriers 1705/6817
Guard Interval 1/4, 1/8, 1/16, 1/32
Constellation QPSK, 16-QAM, 64-QAM
antenna feed 5V/0,03A
(double insulated, switchable)
Demultiplexing: in accordance with ISO 13818-1
Video decoding:
Video compression MPEG-2 and MPEG-1 compatible
Up to MP@ML(main profile @ main level)
Video standard PAL/ 25 Hz
Active screen area 720 pixels x 576 lines
Picture format 4 : 3 / 16 : 9
Picture material 16:9 Automatic adaptation for 16:9 TV sets (via SCART)
Letterbox filtering for 4:3 TV sets
Audio decoding:
Audio compression MPEG-1 & MPEG-2 Layer I and II
Audio Mode Dual (main/sub), Stereo
Sampling frequencies 32 kHz, 44.1 kHz, 48 kHz
Audio parameters:
Output analogue:
Output level L/R 0,5 V r.m.s. (nominal)
Output impedance 600 Ohms
THD > 60 dB ( 1 kHz )
S/N > 60 dB
Cross-talk < - 65 dB
Input analogue:
Input level l/r 0,5 V r.m.s. (nominal)
Input impedance > 40 kOhm
Volume at switch-on Automatic output of volume level previously selected
Dolby Digital AC3
38
