Grating Motor Test - Agilent Technologies 1100 Series Reference Manual

Figure 13 DAC Test
When to do the Test
• if the detector signal is noisy or missing.
Interpreting the Results
The noise on the step should be less than 3 µV.
Probable Causes
• Defective VWM board.
Suggested Actions
✔

Grating Motor Test

This test moves the grating motor to the end position, and displays the motor-position
step difference. This checks the movement of the grating drive mechanism.
When to do the Test
• if recalibration cannot be done successfully, or
• if the holmium test fails.
1100 Series Variable Wavelength Detector Reference Manual 69
Exchange the VWM board.
Troubleshooting and Test Functions
3