The SS series decoder is very slow to lock-in when you change channels, sometimes
taking more than 10 seconds. The reason for this is that the decoder takes time to decide
that the previous videocrypt signal has disappeared, then it has to try and find the new
one. The later Pace receivers (PRD onwards) are far quicker, this is because they reset
the decoder when you change channels, so it can start looking for the new signal straight
The SS receivers can be modified quite easily to reset the decoder on channel change, there is a line to the decoder SCART socket intended to reset an external decoder, and this can be used to reset the internal decoder as well.
If you have an SS9200 make sure the decoder settings in the tuning menu are set to INT decoder, not AUTO - this will save a few seconds when you change channels, as the receiver otherwise looks for an external decoder everytime you change channel.
The modification consists of an NPN transistor (BC107 etc.), a 4K7 resistor, and a 0.33uF capacitor.
Thanks to Dave Plumb email@example.com for sending me these details.
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