Calibration, Maintenance, Troubleshooting and Warranty
Linearity Correction Procedure
288
MultiMode SPM Instruction Manual
Rev. B
4. On the display monitor, select
Dual Trace
. If the two scope traces do not overlap,
Fast
mag1
needs adjusting.
5. On the
Scan Controls
panel, select
Slow scan axis
. When tall features appear on the scope
trace, press the keyboard right or left arrow key to switch the
Slow scan axis
to
Disabled
.
6. Select
Microscope
>
Calibrate
>
Scanner
to open the
Scanner Calibration
box.
7. Select
Fast mag1
.
8. Use the left and right arrow keys to change the value until the two traces align.
Note:
The yellow retrace line will shift in the same direction as the arrow.
9. When done, click
OK
to close the
Scanner Calibration
window.
10. Set
Slow scan axi
s back to
Enabled
.
11. Select
View
>
Image Mode
.
Fine Adjustment
Initial adjustment is usually adequate; however, if more precision is desired, use the following
fi
ne
adjustment techniques to adjust
Fast mag1
.
1. Use the same procedure for adjusting Fast mag0.
2. As before, set the
Zoom
box for the beginning of the scan and then check the ending.
Because the scan is small, use a
Zoom
box up to one-half as large as the scan.
3. If the end of the scan is larger than the beginning, reduce the
Fast mag1
value. If the end is
too small, increase the value of
Fast mag1
.
15.4.3
Adjust Slow Mag1
1. With the
Scan size
set to
150V
, select
Microscope
>
Calibrate
>
Scanner
.
2. Select
Slow mag1
and input the value from
Fast mag1
.
Note:
For medium-sized scanners (C to F), further adjustments should not be
necessary. The
Slow mag1
value is usually 100-120 percent of the
Fast mag1
value.
3. If more precision is desired, adjust
Slow mag1
using the same procedure for adjusting
Slow
mag0
.
4. Set the
Zoom
box for the beginning of the scan and then check against the ending. Because
the scan is small, use a
Zoom
box up to one-half as large as the scan.
