THORLABS MPH16-UC User Manual page 12

Motorized Pinhole Wheel, Uncoated
9.
In the MPH16 Pinhole Control window, make sure the alignment
number on the front of the MPH16-UC device matches the Alignment
number in the MPH16 Pinhole Control window for the 25 μm pinhole
diameter size.
If the alignment does not match, enter the alignment number in the
text box and click the Set button in MPH16 Pinhole Control window.
10.
Position a piece of white cardboard or white paper near the emission
port to test for alignment.
11.
Reset the Select Pinhole Size in MPH16 Pinhole Control window to
the largest pinhole size (2 mm).
12.
For laser source alignment and MPH16-UC fine manual alignment,
see the Alignment Chapter on page 25.
Page 8
Chapter 4: Getting Started
TTN202954-D02