Televes Avant HD User manual
Cabecera de amplicación programable
Programmable head-end amplier
Station compacte programmable
Central de amplicação programavél
Centrale di amplicazione programmabile
Kopeiste Erweiterung programmierbar
Ohjelmoitava vahvistin pää
Programmerbar förstärkare huvud
Programowalny wzmacniacz stacji czołowej
Программируемый усилитель
ES
PT
FR
EN
IT
DE
FI
SV
PL
RU
Ref. 532910
Guía rápida
Quick guide
Guide rapide
Guia rápido
Breve resoconto
Kurzanleitung
Pikaopas
Snabbguide
Skrócona instrukcja obsługi
краткое руководство
www.televes.com
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8 9 10 11 12
7
2 3 4 5 6 (*)
(*)
Fig. 1
Fig. 2 Fig. 3
Programmable headend amplier
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Inputs/Outputs/Connections description
The headend amplier (Fig. 1) is provided with:
1.- UHF1 + V input 7.- Switching on LED
2.- UHF2 + V input 8.- 196 - 264 V~ powering supply
3.- UHF3 + V input 9.- Reset Button
4.- FM input 10.- Programming unit connector
5.- BIII / DAB input 11.- MATV output
6.- 47-862 MHz input 12.- 7234 Programmer unit
Introducción
Programmable digital / analogue headend amplier for use in both single
family buildings or in communal buildings, characterised by: ease of
installation, simple programming, high gain, external programmer, low
consumption powering.
It features 10 input lters to be distributed by software into 3 UHF ports.
The number of lters per input can be selected among three possible
congurations (10-0-0, 9-0-1, 7-2-1, 6-3-1 and 5-3-2), which will be carried
out according to the channels that are received by each antenna (Fig. 2).
These inputs are pre-amplied. Any UHF channel can be selected (21 to
69) for any lter, and each lter can be adjusted for a bandwidth up to 5
channels. (Fig. 3).
Output levels of lters are automatically balanced with a selectable
compensation slope.
UHF inputs disposes of an automatic powering system that is able to
withstand short circuits.
The gain is regulated by an automatic attenuation system in both FM and
BIII/DAB inputs.
The amplier disposes of a Broadband input (47-862 MHz), intended for
possible expansions in the system, such as the inclusion of a satellite
headend or TDT’s.
Using “Reset” button
The “Avant” unit can be programmed before the installation is carried out
and without an input signal, and the levels can be adjusted later without the
use of the programmer, by using the “reset” button located to the left of the
programmer’s connector.
To do so, please follow these steps:
Select the adequate parameters for the installation using the programmer
(channels, output level, equalisation slope ...) and press the adjustment
button (long press). As the programming is carried out without the input
signal, the adjustment will stop when it does not detect a UHF signal. The
programmer can then be unplugged, as although the adjustment process
has been interrupted, the data selected has been memorised by the unit.
Afterwards, once completed the installation by connecting the inputs to
be used and loading the output with 75 ohms, the user simply has to press
the “Reset” button and the unit will carry out the adjustment process. The
adjustment of the “Avant” unit via the “Reset” button is carried out in the
same way as with the programmer, although in this case, the process will not
stop if the unit detects an error in the input levels, and the red error LED will
only light up when there is an error in the level of any of the lters.
If the unit has been programmed with the desired parameters for the
installation (channels, output level, equalisation slope ...), when the reset
button is pressed, the “Avant” unit will carry out an automatic adjustment
of the levels in the same way as when the programmer’s adjustment button
is pressed and hold. The green LED will light up indicating that are being
adjusted all channel (that the unit already have in memory) levels for UHF,
FM and VHF ampliers, while maintaing the input congurations, the
equalisation slope and the output levels that it had already congured.
Important safety instructions
General installation conditions
• Before handling or connecting the equipment, please read this
manual.
• Do not use or install this equipment near water or in very moist
conditions. The equipment may be damaged and electric shock or
re could occur.
• Do not attempt to open the case of the equipment without unplug it
from the mains. There is risk of electrical shock and/or personal injury
or death to you.
• Do not obstruct the equipment’s ventilation system and allow air
circulation around it.
• The equipment must not come into contact with water or even be
splashed by liquids. Do not place containers with water on or near the
equipment if it is not adequately protected.
• Do not place the equipment near sources of heat or in excessively
moisture conditions.
• Do not place the equipment where it may be aected by strong
vibrations or shocks.
How to use the equipment safely
• The powering supply of this product is: 196 - 264V~ 50/60Hz.
• If any liquid or object falls inside the equipment, please contact a
specialized technician.
• Unplug the equipment power cord by gripping the plug only.
• Do not connect the equipment to the mains until all the other
connections have been made.
• The mains socket that is going to be used to connect the equipment
should be located nearby and should be easily accessible.
Description of the electrical safety symbol
• To avoid the risk of electric shock, do not open
the equipment.
• This symbol indicates that the equipment
complies with the safety requirements for
class II equipment.
• This symbol indicates that the equipment
complies with the requirements of CE mark.
NOTE: You have a complete User Guide on our website:
www.televes.com.
Links available at the end of this guide.
EN
9
Menu structure
Main menu
Programmable headend amplier
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Extended menu Conguration cloning menu
EN
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Technical specifications
Troubleshooting
Channels are not adjusted to the programmed output level: Check that the
programmed lter for the highest output channel has both presence of signal
and the right level, since this value is taken as a reference for the adjustment of
the selected output level.
The channels entering through the input of BIII are regulated incorrectly:
If we are entering only one channel through this input, its level would be set
5dB below the UHF level channels. But if, with the same level, we introduce
several channels, the Avant will treat them like a higher-level single channel,
thus reducing the level adjusted of all of them regarding to the one it would be
obtained for just one channel.
If we need to amplify several channels coming from other processing units, we
recommend entering them on the input “Broadband (47-862 MHz)”.
Channels in the broadband input are not equalised as regards lters:
The “broadband” input amplies signals coming from satellite receivers, the
recommended level for this input is between 70 and 74 dBµV (for UHF channels)
to get these channels equalised with the rest of the adjusted channels. If the
level applied is below the indicated range, these channels will have a lower level
than the rest; on the other hand, if the level is higher there will be disturbances
due to the intermodulation of channels.
A high/low level detected in an input or a lter: The adjustment process
begins with the verication of the signal levels introduced in the FM, BIII input
and nally with the verication of the programmed lters. The indication that
the FM or BIII level is low when we do not apply the signal in these inputs will
not aect the rest of the selected channels.
We must remember that level indications in FM, BIII inputs and lters shown on
the programmer’s display, are a reference for the adjustment process, being the
unit able to balance channels, where a level error has been found, whenever
input levels do not present large variations as regards the maximum specied
range.
Inputs UHF1 UHF2 UHF3 FM BIII/DAB 47-862 MHz
Band MHz 470 - 862 87 - 108 174 - 260 47 - 370 370 - 862
Gain dB Auto (max. 55 ± 3).Auto
(max. 45 ± 3) Auto
(max. 48 ± 3) Auto
(max. 40 ± 2) Auto
(max. 43 ± 2)
Filters conguration No.
10 0 0 - - - -
901- - - -
721 - - - -
631 - - - -
53 2 - - - -
No. channels per lter Nº 0 - 5 ** - - - -
Slope adjustment dB 0 - 9 ** - - - -
Optimum input margin dBμV 60 - 105 60 - 85 62 - 87 69 - 73 70-74
Gain regulation dB 0 - 20 * 0 - 25-OFF* 0 - 25-OFF* - -
Manual reg. gain dB ± 9 (per lter) ± 9 ± 9 - -
Output level *** dBμV 124 124 124 124 124
Output level regulation dBμV 100-115 90-105 95-110 95-110 100-115
Noise gure dB 9 10 10 -
Rejection dB 20 (±16 MHz) 20 (±16 MHz) 20 (±16 MHz) -
Input powering
(automatic) I. max.
V=
mA
24 - - --
60 - - --
Mains voltage/frequency V~/Hz 196 - 264 / 50-60
Maximum current mA 150
Max. power consumption W16
Max. working temperature ºC 45
Weight gr. 2,800
Dimensions mm 320 x 258 x 60
Protection index IP 20
* Automatic adjustment (Depending on the wished level of exit and the signal of entrance).
** Programmable adjustment.
*** The output level depends on the no. of channels.
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