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Operating Instructions - CPA2501
31
Air Data Test Indicator
CPA2501
6.4.2.6 Instrument Mode
The Instrument Mode is a quick and easy way to change configuration to three different standard con-
figurations: “Air Data”, “Ps/Qc Pressure”, or “Ps/Pt Pressure”. Air Data mode will display readings in
altitude and airspeed units, Ps/Qc Pressure mode and Ps/Pt Pressure mode will display the parameters
in pressure units. If the installed transducer is a Ps/Qc transducer then the Pt value will be emulated. If the
installed transducer is a Ps/Pt then the Qc value will be emulated. Emulation values are mathematically
determined using the formula Pt = Ps + Qc or Qc = Pt - Ps.
Figure 6.4.2.6, Instrument Mode
6.4.2.7 Configuration
Configuration is the last parameter in the Settings App. It allows the operator to save instrument settings
and load them, as needed in the future. Parameters that are set in all the Apps can be saved using the
Configuration “Save” button and recalled using the Configuration “Load” button. Simply set all desired pa-
rameters then go to Settings-Configuration, press one of the numbered Configuration buttons then press
the “Save” button. This will save the current configuration in that button. To reload a saved configuration at
a later time, go to Settings-Configuration and press the numbered configuration button corresponding to
the saved configuration and then press the “Load” button.
Figure 6.4.2.7 - Configuration
The instrument default configuration can be activated simply by pressing the “Default” Button.