Hi Roland (and all),

in post #20964 it was mentioned that no scope was used but a
precision lab encoder. Is this still the case or was it changed (the
present post refers to PEMPro) ?

CS to all,

Pierre

--- In ap-gto@..., chris1011@... wrote:

We use PemPro to create a smooth error curve. This is then loaded

into the

memory. We then test the PE again, and it must show overall error

less than 2

arc sec, otherwise the procedure is done again.

Rolando