Yes, the process is to open Arduino IDE; connect the wand; open the serial monitor; make contact with the chip; enter the command 8,99;<enter>; and a response will come up on the screen '8,0'. This is the appropriate response.
You can use 7;<enter> to check the value that was actually written. It is not always exact. some math is going on to determine what to write.

When you issue the ReCube commands, they come back with a response code. Typically this is the command entered followed by a comma and a 0 [zero] followed by a semicolon or additional information. The zero in the second position means 'successful operation'.