Use a calculator like this one on Satlex to find the azimuth of the satellite you are looking for, and make sure to use the true north setting on your phone:
Enter your satellite and location to calculate the precise azimuth, elevation, and LNB skew angle for your dish. Use the results to physically align your antenna for optimal signal reception. The satellite list contains only geostationary satellites with a fixed orbital position – no inclined...
satlex.net
A bonus of the V8S is when blind scanning it will find transponders that are below lock and save them in the TP list, you can then work out if you are close to the satellite you are looking for. For a budget setup I would use a sat beeper with a rising tone, they can be bought cheaply and work well.