Back off the power for alignments and setup. If you blow a hole through the target, it burns away most of the relevant information.
Are you sure you’re tube is running in TEM00 mode? The targets appear to look like a doughnut.
Back off the power for alignments and setup. If you blow a hole through the target, it burns away most of the relevant information.
Are you sure you’re tube is running in TEM00 mode? The targets appear to look like a doughnut.