BottleBob wrote in news:Z9ydnVNN7Ziz6anWnZ2dnUVZ snipped-for-privacy@earthlink.com:
Which brings up the question of why can't someone make an electronic DTI that transmits via blutooth or somesuch to a unit with a LARGE LCD screen that you can hold in your hand and read with failing eye sight while the DTI is up inside the dark machine in some hard to get at place?