Spectra Precision FOCUS 35 - Page 335

Chapter 6
Adjustment and Verification
P/N 79000035_SM, Version 1.5 6 - 81 Focus 30/35 Service Manual
Fig. 6-66 Baseline selection for EDM offset determination/validation
6 Setting of
atmospheric
conditions.
A. Select
Set
atmospheric
conditions
check
box.
B. Click
Atmospheric
Conditions button.
C. Measure air pressure
and temperature
value and type in
with correct unit.
D. Confirm with
OK.
Tolerance:
Temperature
1°C/°F
Pressure
4hPa
The atmospheric
conditions will be
used to correct the
selected baselines. A
wrong selected unit
can cause a wrong
base line.
The humidity is set to
60% as default for dry
air and causes a
correction of 0.5ppm.
Item Performance Action Result Notes
A
Click to see the properties
of the base lines