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Variable gain control

After installing your SLx booster rotate the   

variable gain control (shown in the diagram  

opposite) to get the best picture/sound. Bear in 

mind that the signal can be too strong as well as 

too weak.

See Trouble Shooting section opposite for  
more details.

SLx logo backlight LED configuration

SLx logo backlit

 - Power on

Amber LED - Surge and Spike Protection

When the amber light comes on the SLx logo 

backlight will go out. This indicates that there 

has been a power surge or spike, this will return 

to normal and will require no action by yourself. 

After the power surge or spike has passed the 

amber light will go out and the SLx logo will be lit 

again. This feature ensures that you have that extra 

protection and peace of mind.

Red LED -Short Circuit Protection

After connecting a flylead to the SLx booster and 

before connecting the flylead to a TV/set top box,  

if the red LED light comes on, there is a short circuit 

between the central conductor and the braiding 

on this coaxial cable. 

Check the wiring of the connectors/connections 

on both ends of the cable to see if there is a strand 

of braid touching the central conductor.  

If so, rewire the connection so that the braid is well 

clear of the central conductor and retry procedure.

Note

: Red LED will also light up when flyleads are 

connected to a TV or set top box this is normal and 

does not indicate a fault.

Operating Instructions

Inputs

Outputs

UHF  Freq. 

VHF  Freq. 

Max output

Gain

Noise

Isolation Loss

1

1

470-790MHz 30-300MHz

86dBµV

14dB

<4dB

20dB

Specifications

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