George, It works very well. If you have the K60XV option installed, there is no need for it because essentially the same function is provided by K60XV J2 pin 2. 73, Don W3FPR On 3/12/2011 7:59 PM, W2bpi1 at aol.com wrote: > If you have experience with one of these, what is your opinion on it? Tnx > George/W2BPI >