I've been off work with health issues recently but the up side is I've been playing with my guitars a bit more. In addition to following tab and lessons I've been getting a little bit more adventurous and playing with the knobs and levers on my guitar, mainly my Strat. Now don't laugh but when time is sparse you tend to just do routine playing. But that is not the question, the point I'd like your feed back on is this: I have a Fender Mustang III (solid state) and when I have my guitar plugged in and working all is fine, however, when I wish to change my guitar I switch the amp off and unplug the guitar, pick up the next guitar plug in the cable to the guitar and switch on the amp. Now the question is what are the issues with the following: 1. To change guitar leave amp switched on and turn guitar volume to off then unplug, pick up next guitar, plug in then turn up guitar volume. 2. Switch off amp and do the swap over. I'd be intrigued to know that if I followed point 1 would I damage my amp/guitar.