Labgear LABGT18A Manuel utilisateur

Installation Instructions

Features include:

• 15.0dBi Gain

• F type connector for secure and easy connection

• Fast simple assembly

• Compact pack for easy transportation

Congratulations on the purchase of your LABGT18A aerial. The aerial is designed to get the best reception

from group A transmitters and receives signals between 470 and 606MHz. The high gain performance makes

it ideal for reception in fringe areas.

For optimum results install the aerial using double screened CAI benchmarked digital coax cable

and screened coax outlets. You will need to t the coax cable with the F type connector

supplied to connect to the downlead (not supplied) to the F socket on the aerial.

1. Prepare the Coax Cable: First fit the rubber weather boot provided, to the aerial end of

the cable. Strip the end of the cable as shown in Fig. 1. Once you have stripped the

cable, twist the braid and pull it back on itself, make sure that no braid is touching

the copper core, this will cause a short on the cable and you will not get any signal.

2. Fitting the F connector: Now, simply twist on the ‘F’ connector supplied and trim

the central conductor.

fold braid back

over sheath

8mm

inner

wire

cut or tear

away foil

6.5mm

Fig. 1

screw connector

body onto cable 2mm approx.

end of insulation

should be flush

with this face

Fig. 2

For best results the aerial should be mounted on an outdoor aerial mast and pointed

in the direction of the nearest transmitter* making sure it is in a position where the

transmitter signal will not be obstructed by nearby trees and buildings. If you are in

any doubt about the direction in which the aerial should be pointing or the

orientation of the aerial (horizontal for main transmitter, vertical for relay transmitter)

check your neighbours’aerials.

18 Element High Gain Group A Yagi Aerial

The aerial requires some assembly.

If mounting on an existing mast check that the mast is in good condition and rmly xed.

LABGT18A

USER GUIDE

Fitting the reﬂectors

Fig. 4

Lte

800

READY

reﬂector

element

reﬂector boom

assembly

Aerial assembly

Fig. 3

5. The central boom comes in two sections

using the bracket supplied and the holes

drilled in the boom sections join these two

sections as shown in Fig. 3.

7. Slide the reectors into the sockets

mounted on the central boom until

they click into place as shown in Fig. 4.

6. Attach centre mount bracket in the

position shown in Fig. 5. using the

clips supplied.

Fig. 5

centre

bracket

centre

bracket

clamps

4. Fit the mast clamp attached to the aerial centre bracket onto the mast.

Then slide the centre bracket through the mast clamp to find the most

evenly balanced position. Make sure the aerial is pointing in the direction

of the nearest TV transmitter then tighten the wing nuts until the aerial is

securely fixed into position, see Fig. 6.

Connect the aerial downlead to the ‘F’socket on the

underside of the balun (be careful not to over tighten

the

F connector) see Fig. 6.

6. Slide the weather boot over the ‘F’connector

and socket to make a good seal - see Fig. 6.

7. Make sure that the downlead is routed as shown in Fig.6

making sure the lead doesn’t touch the reector.

Use insulating tape, to secure the coax downlead to

the mast.

Finally connect the aerial to your TV/set top box

and check the picture. Fine adjust the direction

of the aerial to obtain the optimum signal reception.

No picture:

Check all connections from aerial to TV.

Poor picture:

Check all connections from aerial to TV.

Check aerial is properly aligned to the correct transmitter.

If the aerial has been loft mounted try mounting outside.

Make sure new digital coax cable has been used

throughout the installation.

Check the transmitter signal is not obstructed by nearby trees

or buildings.

If in a very weak signal area or for long cable runs,

installing a masthead amplifier will improve the signal.

If in a strong signal area the signal strength may need to be

reduced by fitting an attenuator.

Caution

When mounting the assembled aerial, always observe safety

precautions and use the correct equipment.

Unless you are competent in the use of ladders and other

access equipment, do not work outdoors at roof height.

If in any doubt, refer to a qualied aerial installer.

Troubleshooting

Useful Websites for Digital Advice:

*To nd out which DTT channels should be available locally and

to nd out where your nearest transmitter is visit:

http://www.digitaluk.co.uk/coveragechecker/

and enter postcode, house number if you also check the detailed

view box you will see a list of transmitter’s with distances and

compass bearings.

For further information, please contact:

Customer careline: 08457 573479 (Local Rate - UK Only)

Technical Support: www.philex.com/support/

Waste electrical products should not be disposed of with

household waste. Please recycle where facilities exist.

Check with your Local Authority for recycling advice.

Troubleshooting

Frequency Range MHz 470-606

TV Channels 21-37

Forward Gain dBd 12.8

Forward Gain dBi 15.0

Front/Back Ratio dB >15.0

Beam Width +/-deg. +/-18°

PCB Balun Yes

Connector F-Type

Length 1285mm

Width 345mm

Height 325mm

Fig. 6

Insulating

Tape

F Connector

Weather

Boot

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