I'm just installing a used Acu-rite III DRO (2 axis) on my bridgeport, and the installation went fine mechanically. However, when I do a quick check with a dial indicator, I found the axis to be off +.266" in a 1 inch reading and .2535 on the yaxis. I downloaded the accurite III manual from their website and tried the switch settings. However, their manual shows a 10 position switch and my 2 axis has only 9. I'm assuming pins 789 for setting the scales are the same!!! Also, the switches do not have much of an effect on the display for the 10 micron .0005 scales.
This is an old unit and I'm afraid the electronics may be suffering. Can someone with a Acu-rite III 2 axis DRO verify the switch settings for me? Does anyone have a schematic?
And most importantly, what is the best (lowest cost) DRO buy out there to replace this old work horse?
Thanks in advance.
Bill form Spartanburg.
