K114 Issue No. 9
3 - 2 Operation
3.2 Display Functions and Units of Measure
When operating in either pressure measuring or pressure controlling modes, the ADTS
405 can display the following information:
Aeronautical Functions Display Abbreviation Displayed Units
(if applicable)
Altitude ALT ft, m
Calibrated and True Airspeed CAS, TAS kts, km/h, mph
Mach MACH -
Rate of Climb ROC ft/m, m/m, m/s, hm/m
Rate of Airspeed Rt CAS, kts/m, km/h/m, mph/m
Rate of Mach RtMCH Mach/m
Pressure Functions Display Abbreviation Displayed Units
(if applicable)
Static (Absolute) Ps [P]
Pitot (Absolute) Pt [P]
Dynamic or Impact (Differential) Qc [P]
Engine Pressure Ratio EPR -
Rate of Ps Rt Ps [P] /m
Rate of Pt Rt Pt [P] /m
Rate of Qc Rt Qc [P] /m
Rate of EPR Rt EPR EPR/m
Where [P] is the currently selected pressure units from the following list:
mbar, inHg, mmHg, inH
2
O (4°C), inH
2
O (20°C), psi, hPa, kPa, inH
2
O (60°F), kg/cm
2
, %FS
FIGURE 3-1 FRONT PANEL