Beam Troubleshooting

If there is no beam, check:

(1) Are the shutters open?

(2) Is there SPEAR current?

(3) Check beam tuning

In microXAS GUI, select "Scan Motor"

As your detector, select "I0"

As your motor, select "TUNE"

Enter scan range (relative): -1 to 1

Enter step size: 0.1

Hit "Scan"

Select the maximum using the cursor, and then hit "Move"

(4) Make sure the THOR (i.e. horizontal table) motor is in the correct position? i.e., Do a THOR scan

In microXAS GUI, select "Scan Motor"

As your detector, select "I0"

As your motor, select "THOR"

Enter scan range (relative): -1 to 1

Enter step size: 0.1

Hit "Scan"

Select the maximum using the cursor, and then hit "Move"