Table of Contents
Advertisement
88 . Spotlight 200 User's Guide
Fitting a Crystal Assembly to the ATR Objective
Manual ATR Objective
1. Remove the ATR crystal holder, as described on page 87.
2. Place the crystal holder on a bench, with the crystal upwards.
3. While holding the crystal assembly in place, unscrew the knurled height-adjustment nut.
The crystal assembly is under spring pressure. If you do not hold the assembly in place,
the spring may be lost.
4. Remove the crystal assembly.
Leave the spring in the ATR crystal holder.
5. Place the new crystal assembly into the ATR crystal holder and refit the height-
adjustment nut.
Take care not to damage the crystal.
6. Refit the ATR crystal holder to the microscope, as described on page 81.
7. Align and adjust the ATR crystal holder, as described on page 84.
Figure 35 The Manual ATR Crystal Assembly
Automated ATR Objective
1. Remove the ATR crystal holder, as described on page 87.
2. Place the crystal holder on a bench, with the crystal pointing upwards and the motor
pointing away from you.
3. Unscrew the knurled height-adjustment nut.
4. Pull the crystal assembly out of the holder.
5. Hold the new crystal assembly with the thin alignment groove facing you (Figure 36).
Advertisement
Table of Contents
