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This little board is very easy to connect up. Just 4 screw terminals, 2 the track and 2 to the controller. There is only one adjustment from approx 2 seconds to 3 ½ minutes via a small screw driver. Turning the adjustment clockwise will decrease the running time. I have set and tested the unit for about 30 seconds.
Input 6 – 12 volts (note if using Z Gauge only 9 volts maximum. The 2 two diodes are supplied and should be fitted to the stations at the end of the track leaving enough room for the Loco and the carriages going the other way. They should be fitted with the white stripe as shown in the drawing. I would always fit a fuse between this unit and the track of about 1.5 amps so as to protect the board and the Loco if it should stall or short out.