Instruction manual

8
Driver Installation
No driver installation is required for this video extender as it is an
external hardware only solution, invisible to the computer system.
Operation
ST1214T/ST1218T, ST121EXT and ST121R all provide LED
indicators, allowing simple operating status monitoring. Once the power
adapter has been connected, the Power LED will become illuminated;
similarly, when the unit is in use (i.e. transmitting a video signal), the
Active LED will become illuminated.
Signal Equalizer Selector (ST121R/GB/EU, ST121EXT/GB/EU)
The Signal Equalizer Selector on the Receiver and Extender Units
can be adjusted to obtain the optimal video signal for various cable
lengths. There are four settings on the selector switch, indicating cables
of different lengths. The following table can be used as a reference for
selecting the appropriate setting: