GSS STC 160 Manual de usuario
Grundig SAT SystEms
Notes on the Assembly Instructions.
As well as this supplementary Assembly
Instructions, the Assembly Instructions for the
STC
160
apply.
GSS
Grundig SAT Systems GmbH
Beuthener Strasse 43
D-90471 Nuremberg
Phone: +49 (0) 911 / 703 8877
Fax: +49 (0) 911 / 703 9210
Email: info@gss.tv
Internet: www.gss.tv
Assembly Instructions
Assembly Instructions
English
HDCT 460 AV
STC 160 Head-End Station
COFDM AV module
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Contents
1 Safety regulations ......................................................................................................3
2 General information ...................................................................................................3
2.1 Scope of delivery .........................................................................................3
2.2 Technical data .............................................................................................4
2.3 Description ..................................................................................................5
3 Installation .................................................................................................................6
3.1 Installing the digital module ...........................................................................6
3.2 Connecting the digital module .......................................................................8
4 The control panel at a glance ......................................................................................9
4.1 Menu items..................................................................................................9
4.2 Functions of the control panel buttons .............................................................9
5 Programming ...........................................................................................................10
5.1 Preparation................................................................................................10
5.2 The menus at a glance ............................................................................... 11
5.2.1 The menus for channel strips “A” and “D”............................................ 11
5.2.2 The menus for channel strip “B” .........................................................13
5.2.3 The menus for channel strip “C” .........................................................14
5.3 Programming a module ...............................................................................15
Selecting the module / channel strip...................................................15
5.3.1 Programming channel strips “A” and “D”.............................................16
Setting the input channel ...................................................................16
Setting the hierarchical modulation .....................................................18
Automatic channel search / station filter..............................................19
Selecting the audio stream for a TV channel ........................................20
Setting the volume level ...................................................................21
Setting the identification of the stereo / dual tone.................................21
Adjusting the picture format, teletext mode...........................................22
Activating teletext subtitle pages and setting the standard .....................22
Storing data.....................................................................................24
5.3.2 Programming channel strip “B”...........................................................25
Automatic channel search / station filter..............................................25
5.3.3 Programming channel strip “C” ..........................................................26
Selecting a tuner...............................................................................26
Automatic channel search / station filter..............................................27
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1 Safety regulations
Please read the safety regulations listed in the assembly instructions for the
STC 160 head-end station which pertain to this module.
Take precautions to prevent electrostatic discharge when working on the
device!
2 General information
2.1 Scope of delivery
1 HDCT 460 AV module
1 AV cable
1 CD (assembly instructions)
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2.2 Technical data
The requirements of the following are met:
73/23/EEC, 89/336/EEC
The product fulfils the guidelines and standards for CE labelling.
HF input:
Frequency range: 177.5 … 858 MHz
Level: 45 dBµV … 90 dBµV
Input impedance: 75 Ω
Return loss: typ. 8 dB
Channel input: C 05 … C 69, incl. S 11 … S 41
Output specifications:
Audio
Noise voltage ratio
rated (DIN 45633): typ. 60 dB
Non-linear distortion factor: typ. 0.6 %
Frequency range: 20 Hz … 15 kHz
Level at -12 dB: typ. 500 mVrms
Impedance: 1 kΩ
Video
Signal-to-noise ratio: ≥54 dB (rated)
Level (75 Ω): typ. 1 Vpp
Impedance: 75 Ω
Connections:
HF inputs: 2 IEC sockets
Loop through outputs: 2 IEC sockets
Connection strip (20-pin):
For supply voltages and control circuits
AV output:
26-pin
socket
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2.3 Description
The COFDM AV module HDCT 460 AV, in the following called digital module, has
a COFDM AV converter which simultaneously converts four COFDM modulated
channels into AV signals using two DVB-T tuners.
The digita
l module has two DVB-T inputs. Via the AV interface, the decoded
video and audio signals are fed to the corresponding modulator module. From
there, they are fed to the HF output collector of the head-end station, through
which the level of the output signal can be adjusted via the software in the
head-end station.
The channel strips “A” “B”, “C” and “D” can be individually programmed. This
means it is possible to select up to 4 channels out of two data streams. The fol-
lowing table shows the allocation of the selectable number of channels to the
tuners:
Tuner “A” Tuner “D”
Number of
channels
31
22
For example, if three channels from tuner “A” will be used, one channel from
tuner “D” can be used. If two channels from tuner “A” will be used, two chan-
nels from tuner “D” can also be used.
Signal transfer principle:
The operating software of the digital module can be updated via the 9-
pin SUB-D socket on the control unit of the head-end station using a PC or
notebook and the Software “BE-Flash”. You can find the current operating
software on the website “www.gss.tv”.
This digital module is designed exclusively for use in the STC 160 head-end
station.
TUNER A
TUNER D
Channel strip “A“
Channel strip “B“
Channel strip “C“
Channel strip “D“
TUNER A
TUNER D
Channel strip “A“
Channel strip “B“
Channel strip “C“
Channel strip “D“
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3 Installation
Caution
Before installing or changing a module, switch off the head-end station or
unplug
the power cable from the mains power socket.
Take precautions to prevent electrostatic discharge when working on the
device!
• Open the housing of the head-end station according to the instructions in
the STC 160 assembly instructions.
3.1 Installing the digital module
Caution
– Always position modules which belong together next to each other. The
digital module must be installed to the left of the modulator module.
– Insert the digital module in a long numbered groove in front of a contact
strip on the board at the rear wall of the housing.
The shorter not numbered grooves without a contact strip on the board
at the rear wall of the housing are for add-on modules only.
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Note:
Slots 1 (digital module) and 2 (modulator module) are shown in the illustra-
tion. The open slots in between (without a contact strip on the board at the
rear wall of the housing) are intended for add-on modules.
• Insert the digital module in grooves Aand Bof an open slot (with contact
strip on the board at the rear wall of the housing) next to the associated
modulator module.
• Gently slide the digital module into the head-end station and ensure that
it makes contact with the contact strip on the board at the rear wall of the
housing.
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3.2 Connecting the digital module
•
Using the AV cable
C
, connect the digital module to the modulator
module.
• Connect the HF inputs “A” and “D” on the digital module with the corre-
sponding cable inlets using cables made on-site.
HF input ”A“
HF input ”D“
HF input ”A“
HF input ”D“
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4 The control panel at a glance
4.1 Menu items
Program the digital module using the buttons on the head-end station control
unit. The menus appear on the two-line display of the control unit.
The parameters and functions to be set are underlined.
You can use the
M
button to select the following menu items:
– Input channel
– Tuner selection (channel strip “C” only)
– Hierarchical modulation
– Automatic channel search / station filter
– Audio stream of the TV channel
– Audio output level
– Stereo identification / audio type selection
– Picture format (WSS) / teletext
– Teletext subtitle page
– Store
4.2 Functions of the control panel buttons
– To move the cursor
– To adjust values and functions
S
– To store the programmed data
M
– To switch to the next menu
S
M
S
M
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5 Programming
5.1 Preparation
• Connect the digital module to a programmed modulator module.
• Connect the test receiver to the HF output on the modulator module.
• Adjust the test receiver to the output channel of the channel strip to be set:
Digital module – channel strip “A” —> modulator module – channel strip “A”,
Digital module – channel strip “B” —> modulator module – channel strip “B”,
Digital module – channel strip “C” —> modulator module – channel strip “C”,
Digital module – channel strip “D” —> modulator module – channel strip “D”.
Note:
– Entries in the settings menus can be stored by pressing the
S
button.
—> You will be returned to the menu item
“Selecting the module / channel strip”.
Otros manuales para STC 160
3
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1
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