Philex SLx4 User Manual

Additional Features
Line Powering
12V power supply to the
masthead amplifier. When
The SLx4 has built-in full
connected after any
line powering which can be
equipment, the amplifier
used to provide power to
will automatically detect
masthead amplifiers. When
that no masthead amplifier
connected to a masthead
is present and so will not
amplifier, the SLx4 will send
output 12V.
the required power out of
the IN UHF socket up to the
Short circuit protection
masthead amplifier. Please
For added safety the SLx4
see your masthead amplifier
operating instructions for has built-in short circuit
more details. protection. Should a short
circuit be detected, the
It is important to ensure amplifier will shut downin
that there is no equipment order to prevent any
possible damage. Should
between the IN UHF socket
and the masthead amplifier this occur, all outputs will be
output socket in order to switched off but the power
LED will remain lit.
provide a non-interrupted
TECHNICAL SPECIFICATIONS
Inputs 2
Outputs 4
Frequency range UHF 470 - 862MHz
VHF 47 - 230MHz
Max output level 90dBµV
Gain 12dB per split
Noise 3.5dB
Isolation loss 23dB
Weight 518g
Dimensions (w x d x h) 178 x 85 x 46mm
© Philex Electronic Ltd. 2009. V1.2
Prepare holes 73mm apart
for wall mounting
Troubleshooting
If you are still experiencing
To reset the system following
a short circuit, simply remove
reception problems after
all outputs and inputs, switch
installing the SLx4, please
off the amplifier and remove
refer to the trouble-
the power cable from its
shooting guide below:
socket for approx 30 seconds.
You should then reconnect
No picture or sound
the amplifier outputs one by
No signal is reaching your
one until you can find which
television due to a possible
output is causing the short
break in the aerial signal path.
circuit.
Ensure that all equipment has
been switched on (including
the SLx4 amplifier) and that all
coaxial connectors have been
fitted correctly.
Snowy picture
Your signal strength is still too
weak. Ensure that your aerial is
positioned correctly (pointing
at your local TV transmitter).
For details of your local
television transmitters, visit
www. bbc.co.uk/reception.
Ageing aerials become
corroded by the weather,
which may need to be
replaced. Also check that the
position of the aerial has not
been mis-aligned by weather,
birds, or loft activity.
'Herringbone' pattern
'Herringboning' is generally
caused by too strong signal or
possibly by local high power
transmitters such as CB, amateur
or taxi radios. Your TV sound
may be affected as well as the
picture. Use a signal attenuator
(available from your local
Customer Care Line
If you are experiencing problems using the
SLx4 amplifier, please contact our customer
care line on 08457 573 479 or email
http://technical.philex.com
electrical retailer) to reduce the your remaining equipment. If
gain of your aerial signal and the signal is still too strong, fit
improve your picture. If you are
a signal attenuator between
located very close to your local the aerial downlead and DTT
television transmitter, point
receiver to help reduce the
your aerial at an alternative signal strength.
transmitter in order to receive a
For specific help with digital
more suitable level signal.
terrestrial television reception
Problems with DTT
problems, visit www.dtg.org.uk
Unlike analogue terrestrial
Problems with satellite
television, it is not possible to
television
view DTT channel under weak
If you are experiencing any
signal strength conditions.
problems with your satellite
Therefore, typically you will
television picture, check that
either receive DTT channels
all cables and connectors have
with a clear picture and sound
been fitted correctly. If the
or you will not receive any
problem persists it is probably
channels at all.
due to the dish alignment or a
Sometimes, an insufficient
temporary problem with the
digital signal can cause
channel transmissions. Please
occasional blocking, freezing or
contact your local satellite
complete loss of picture. Some
dealer if the problem persists.
roof aerials may not be suitable
for digital terrestrial television. Technical Support
Ensure that you have fitted a
If you are experiencing
suitable wideband, high gain
problems setting up your SLx4
aerial to help improve signal
amplifier, or have any questions
quality to a suitable level for
regarding this product or any
clear DTT reception.
other product within the Philex
range, please call the Philex
Blocking, freezing or complete
Customer Care Line on 08457
loss of picture can also occur
573 479 (UK only). Calls are
when a digital signal is too
charged at local rate. Mobile
strong.
call charges may vary, please
If your signal is too strong then
contact your network provider
connect your DTT receiver
for details.
directly to the UHF aerial
downlead, then connect the Alternatively, please visit our
SLx4 amplifier to your DTT technical website at
receiver output followed by http://technical.philex.com
Waste electrical products should not
be disposed if with household waste.
Please recycle where facilities exist.
Check with your Local Authority for
recycling advice.
SLx4 AERIAL AMPLIFIERS
USER GUIDE
27820R
Philex Customer Careline 08457 573479
Introduction
be used to distribute a VCR,
The SLx range of aerial
amplifiers from Philex is Digital Television and Sky™/
Sky+™ signal around the
designed to improve picture
and sound quality by amplifying home.
weak UHF, VHF and FM radio
(selected models only) signals Designed with style,
and distributing the signal sophistication and value in
to multiple locations around mind, the SLx range is the
the home. The SLx4 can also preferred choice for both the
professional aerial installer
and the home user wanting
http://technical.philex.com
to get the very best performance
from their AV equipment.
We have integrated the very
latest in digital-ready signal
amplification technology, the
very best in UK-designed product
styling and highest levels of
safety to produce a class-leading
product.
With full instructions and wall
mounting template, installing the
SLx4 aerial amplifier is both quick
and easy.