GNS 400W Series Installation Manual Page 5-15190-00356-08 Rev. G5.3.10 MAIN DISCRETE OUTPUTS PageNOTEThe discrete outputs displayed on the page are dependent on the unit configuration andsettings. See Section 5.3.3.Select the MAIN DISCRETE OUTPUTS Page(see Figure 5-15). This page allows you to verify theoperation of any external annunciators and switches thatare present in the installation. Figure 5-15 shows thediscrete outputs with the airframe configured for FixedWing. Figure 5-15a shows the discrete outputs with theairframe configure for helicopter and includes theHTAWS inputs.DISCRETE TOGGLESelection Verify That:APR The APR annunciator is active and inactive as selected on this page.GPS The GPS source select annunciator is active and inactive as selected on thispage.INTEG The INTEG annunciator is active and inactive as selected on this page.MSG The MSG annunciator is active and inactive as selected on this page.OBS(Fixed Wing Only) The OBS annunciator is active and inactive as selected on this page.TERM The TERM annunciator is active and inactive as selected on this page.VLOC The VLOC source select annunciator is active and inactive as selected on thispage.WPT The WPT annunciator is active and inactive as selected on this page.ILS/GPS APR The ILS/GPS APPROACH output is active and inactive as selected on this page(NOTE: This output is connected to the autopilot ILS ENGAGE input, not to anannunciation, and therefore this is for bench testing purposes only).GPS SELECT(Fixed Wing Only)The GPS SELECT output is active and inactive as selected on this page (NOTE:This output is connected to the autopilot GPS SELECT input, not to anannunciation, and therefore this is for bench testing purposes only).TER CAUT The Terrain Caution annunciator is active and inactive as selected on this page.TER N/A The Terrain N/A annunciator is active and inactive as selected on this page.TER WARN The Terrain Warn annunciator is active and inactive as selected on this page.RP MODE The RP Mode annunciator is active and inactive as selected on this page.Figure 5-15. MAIN DISCRETE OUTPUTS PageFigure 5-15a. MAIN DISCRETE OUTPUTS Pagewith HTAWS Enabled
