
ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048 Page D-25
If a NULL compass is defined, the value of Add Compass To Vane has
no effect.
This process performs the same calculations as the Wind Vector Average Process
340
, except that it runs
independently of the Sample Interval like the Free Running Average Process
341
.
The period of time that this process performs its calculations is defined by Line Items #8 and #9, the
processing interval and the processing offset respectively. These two Line Items are the same as Line
Items #5 and #6 of the Free Running Average Process.
342
2.10. Altimeter Setting Process
Inputs: 4 Lowest Valid Pressure (inHg).
5 Average Ambient Temperature (C).
6 Field Elevation (Feet)
7 Sensor Elevation
8 Field Pressure Exponent
9 Altimeter Setting Exponent
10 Inverse Altimeter Setting Exponent
11 Height Constant
12 Pressure Constant (inHg)
Outputs: 1 Immediate Altimeter Setting
2 Average Altimeter Setting
E1 Process error code
Assumptions: Neither the Pressure Constant nor the Altimeter Setting Exponent can
equal 0. and the Average Ambient Temperature cannot equal -273.15°K.
This process calculates the altimeter setting in English Units. The variables used for the calculations are
listed in the following table:
340
Refer to Category #2, Process #1.
341
Refer to Category #1, Process #8.
342
Ibid.
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