If you don't like to see the graph increase the zoom level of your browser, it disappears on most browsers at zoom levels above about 80%.
Also try reducing the brightness of the screen on standby it may make the display of seconds less irritating to you.
The B2 does contain a computer so you do have to be prepared to learn a little if you have no PC knowledge and want to do more than plug and play. I've had mine for 5 years and have been more than delighted with the ever expanding facilities it offers, I don't use all of them myself but others do.
Brian