1.
Loop-through input (F socket)
2.
Loop-through output (F socket) / Single output
3.
Mini-DIN socket 8pin
4.
DVB-T input (F socket)
5.
Programming interface Mini-DIN
6
.
Fixing screw
7.
Display
8.
Control panel
9
. DC connector
Operating instructions
WISI TOPLINE
HEADEND
OV 79
DVB-T to PAL "Free-To-Air" (Mono) channel processor
OV 79S
DVB-T to PAL "Free-To-Air" (Stereo) channel processor
4
5
6
7
8
9
1
2
3
Reception of a DVB-T signal and processing into an TV channel
Input frequency 49-862 / output frequency 45-862 MHz
Demultiplexing and decoding of MPEG-2 signals
Insert of Teletext / VPS / WSS datas into the blanking impuls
Simple menu operation via four-key panel and LCD
OV 50A controlling via
OV 51A HEADEND Controller
or
OV 52 Remote-Interface
Display after switching on
OV 79
= Unit designation
OV 79S = Unit designation
V 1.0
= Software version
Mod-No. = Modul number
0
Display
Signal?
= No DVB-T signal.
Incorrect input freq.
After 5 seconds, the display change to:
OV 79 / S
=
Unit designation
474 MHz
=
Input frequency
<1.0 e-4
=
Bit Error Rate (BER)
Prog?
=
No program
!TPGEN
=
Test pattern generator: on
Signal?...
=
The Bit Error Rate (BER) is measured cyclically
6.3 e-3 ... <1.0 e-4
and the current value is displayed.
busy
=
No inputs are possible while this is displayed.
Input
Frequency range
49 - 862 MHz
Frequency tuning steps
500 kHz
Frequency offset
+ 125 kHz
Input impedance
75
Ω
Input return loss
> 8 dB
Input level
24 - 89 dBµV
QAM 64 7/8
40 dBµV
QPSK 1/2
24 dBµV
OFDM spectrum
2k + 8k
Type of modulation
QPSK, 16 QAM, 64 QAM
Protection interval
1/32, 1/16, 1/8, 1/4
FEC
1/2, 2/3, 3/4, 5/6, 7/8
Channel bandwidth (selectable)
6, 7, 8 MHz
MPEG-Decoder
Video decoder
ISO 13818-2
MPEG 2 (MP@ML)
Video format (selectable)
4:3 / 16:9
Video standard (selectable)
PAL / SECAM / NTSC-M
Video level
1 Vp-p / 75
Ω
Audio decoder
ISO 13818-3
MPEG 2 (L1 / L2)
Audio format OV 79
Mono
OV 79 S
Mono / Stereo / Dual sound
Audio format switch over
Manuell / Auto
(if provider supports)
Audio level
0,2 Veff @ 10 k
Ω
FM deviation 25 kHz + 3 KHz
Output
Frequency range
45 - 862 MHz
Frequency tuning steps
250 kHz
Channel bandwidth
7/8 MHz
Level
(loop)
74 - 84 dBµV
(single)
84 - 94 dBµV
Output level stability
+ 1 dB
Return loss
> 14 dB
TV standards
B/G, D/K, I, L, M
S/N video (CCIR-rec.567-1)
typ.56 dB
S/N audio
typ.50 dB
Audio distorsion
typ. 1%, max. 2%
General specifications
Housing
Zinc die-cast
Dimensions
30 x 260 x 200 mm
RF inputs and outputs
F-type connectors
Operating voltage
12 VDC 600 mA
5 VDC 530 mA
Power consumption
< 10 W
Ambient temperature
-20°C up to +55°C
Storage temperature
-25°C up to +75°C
Data retainment within
+5°C up to +55°C
temperature range
EMV
EN 50083-2
Specifications
WILHELM SIHN JR. GmbH & Co. KG
Empfangs- und Verteiltechnik
P.O. BOX 1220, 75219 Niefern-Oeschelbronn, Germany
Phone +49 7233 66 280, Fax - 66 350, http://www.wisi.de
Technische Änderungen vorbehalten
Technical modifications reserved
Pid informations
Sid
0...65535
Service id
Vid-Pid
0...8192
Video pid
Pcr-Pid
0...8192
Pcr pid
Aud-Pid
0...8192
Audio pid
Ttx-Pid
0...8192
Teletext pid
(not available on all programmes)
1 Audio L input
2 Audio L output
3 Audio R input
4 Video output
5 Audio R output
6 Ground
7 Video input
8 Nicam input
Factory settings
Input frequency
= 200 MHz
Bandwidth
= 7 MHz
Frequency offset = 0
Program
= Das Erste
Languag
= deu
Subtitle 1
= off
Subtitle 2
= off
Subpage
= 0
F-Out
= 471,25 MHz
Out-Att
= 0 dB
OutConf
= loop
VidNorm
= PAL
Picture
= 4:3
TV-Std
= B/G
SCRatio
= 13 dB
A-Mode (OV 79) = mono
A-Mode (OV 79S) = stereo
A-Att
= + 0 dB
TP-Gen
= off
Pid's
= disable
Mod-No
= 0
1
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6
7
4
... a link to the future
