* When using blue sided tape to test, be careful to not touch or smudge the mirrors and carefully clean with alcohol and q-tip mirors if they do get dirty. During pulse tests, you can try placing piece of aluminum foil sandwiched between two pieces of blue tape to prevent smoke/residue build up. | * When using blue sided tape to test, be careful to not touch or smudge the mirrors and carefully clean with alcohol and q-tip mirors if they do get dirty. During pulse tests, you can try placing piece of aluminum foil sandwiched between two pieces of blue tape to prevent smoke/residue build up. |