PRX4 & PRX4SERL Four Zone Receiver Decoder
Ref: RX4USER
Page 5 of 8
Issue 1
To mount the unit on the wall, remove the two screws from the front of the case and
separate the cover from the baseplate.
The baseplate should be fixed to an even wall surface using suitable screws fitted
through the 4.75 mm holes provided in the chassis plate. Check that the chassis plate
does not bend and that the screws do not snag or pinch any internal cables.
Warning:
Do not use the chassis plate as a template for drilling the holes into the wall.
Hammer drills may irreparably damage the quartz crystals on the printed circuit boards.
Connect the antenna to the unit via the BNC connector located at the top of the
housing. If the antenna is an external type, or an antenna which is separate from the
PRX4 unit itself, care should be taken to ensure that certain installation criteria are met,
as detailed below.
Some major points to consider when installing equipment
:
1
Never install antennas near or adjacent to telephone, public address or data
communication lines or overhead power cables.
2
Avoid, where ever possible, running antenna coax alongside other cables and
avoid kinks and coils. Pre-terminated cable should not be altered.
3
Avoid mounting the receiver in the immediate vicinity of telephone exchanges or
computer equipment.
4 Always
use
50 ohm
coaxial cable between the antenna and the receiver. If cable
runs exceed 5 metres, always use low loss 50 ohm cable such as RG213 or
UR67 to a maximum of 15 metres.
Coaxial cable intended for TV, Satellite or CCTV installations is normally 75
OHM and therefore totally unsuitable for any receiver installation
manufactured by Scope.
5
Also remember that the performance of the system will be affected by the type of
material the unit is mounted on and its surroundings.
The following is a list of materials that this receiver will be adversely affected by if
mounted on or if mounted in close proximity to:
a)
Foil
back
plasterboard
b)
Metal mesh or wire reinforced glass
c)
Metal sheeting, large mirrors or suspended ceilings
d)
Lift
shafts
All of the above can reduce the ability of the receiver to perform its functions.
6
The circuit boards within this equipment may be harmed by Electrostatic
Discharge (ESD). Installers should ensure that both themselves and the system’s
chassis are grounded before beginning any installation, and should ensure that
adequate anti-static procedures are adhered to at all times.
