Strasbaugh 6DS-SP - Page 820

Strasbaugh Software Calibration Procedures
Version 4.0 - February 1998 10 - 129
2. Calculate the new calibration value for the left back pressure offset
variable in psig:
NEW = Current Value + (Desired Status Display - Status Display)
CALIBRATION
VALUE
Example:
NEW = 0.4 + (0 - 1.2)
CALIBRATION
VALUE
NEW = 0.4 + (- 1.2)
CALIBRATION
VALUE
NEW = -.8
CALIBRATION
VALUE
3. At the Calibration/Configuration Menu, enter the new calibration value
for variable 66, Left back pressure offset, in psig.
Example: -.8
4. Check the new adjustment by reading the status screen display for left
spindle back pressure:
GOAL: The back pressure status screen value should equal 0 psig.
a. If the status screen back pressure value displayed in psig does not
meet the goal, repeat the correction procedure until the goal is met.
b. If the status screen value meets the goal, go on to When Satisfactory
Adjustment Has Been Achieved, below.
D. WHEN SATISFACTORY ADJUSTMENT HAS BEEN
ACHIEVED
1. When the left adjustment is satisfactory, repeat the steps above in this
section for the right spindle.
2. When both left and right back pressure status screen values meet the
goal, go on to Part II, below.