REVUE THOMMEN AG
CH-4437 Waldenburg
AD20 Standby Altimeter
Page 68 of 72
07-Sep-2009 Document No: AD-INSOP-800 Revision: 1.6
Features Specification AD20
Outputs
ARINC 429 2 transmit channels O
Warning Flag Valid Output Discrete output
z
Battery Status Discrete output O
Interfaces digital
RS232 For maintenance & repair
z
Air Data Parameters via ARINC 429 - Interface O
Pressure altitude (1013.25 hPa) Label 203 O
Baro corrected altitude #1 Label 204 O
Baro Correction mb #1 Label 234 O
Baro Correction inHg #1 Label 235 O
Altitude Rate ROC Label 212 O
Static Pressure Label 217 O
Discrete Word #1 Label 270 O
Maintenance Word #1 Label 350 O
Functions
BIT Failure memory
z
Battery low power Warning Amber LCD, Indicator "B" blinking,
Battery Status alternating discrete
output
O
Display
LCD / Pointer
z
LCD Backlight with external brightness control
z
Altitude Unit Feet / Meter selectable by user O
Baro counter display inHg / hPa selectable by user
z