view D60253 operations manual - AvionTEq

PennyfGiles/':·~!·~'~;","',~';,...'!~~·;::t]'h·';f->'·IAvionics•SystemsDivision4.7.3 USER CONTROL KEY 3 - Control Airspeed/DynamicPressureEntry into this routine produces the following display:.-The procedure to alter parameters and enter set points isexactly as previously described with the prompt lines aidingthe user. Airspeeds below 20kn are considered to be zero andthe system is balanced. It is possible to enter zero Knotsas a command value. The "PRESSURE ACHIEVED" flag willoperate at any measured value less than 20kn when the commandvalue is between 0 and 20 Knots.AIRSPEED RANGESThis Test Set has two airspeed ranges, one from 20 - 240 Knfor helicopter and one from 60 - 1,000. Kn for fixed wing.The selection of the maximum airspeed operating limitdetermines which range will be effective.Any maximum airspeed up to 240 Kn will automatically call upthe helicopter range. Any maximum airspeed above 240 Kn willcall up the fixed wing range.Page 38PUB. 12119 May 1989