400W Series Installation Manual Page 2-9190-00356-02 Rev. GFigure 2-2. Source Selection Annunciation Field of View2.5.1.2 GPS Navigation AnnunciationUse the steps below to determine whether or not the integrated GPS navigation annunciation displayed onthe 400W Series unit to be installed is within the acceptable field-of-view (see Figure 2-3):1. Determine the pilot’s primary view centerline, as defined in Step 1 of Section 2.5.1.1.2. Measure the horizontal distance from the primary view centerline to the left or right edge of the400W Series, as appropriate.3. If the 400W Series unit is mounted to the right of the primary instruments, the internal display ofannunciation within the 400W Series unit is considered to be within the acceptable field-of-viewif the following criteria are met:• The left edge of the 400W Series unit is within 13.4 inches of the primary view centerlineand;• the top edge of the 400W Series unit is no lower than the bottom edge of the primary flightinstruments or the unit is line abreast with the affected CDI.4. If the 400W Series unit is mounted to the left of the primary instruments, the internal display ofannunciation within the 400W Series unit is considered to be within the acceptable field-of-viewif the following criteria are met:• The right edge of the 400W Series unit is within 12.2 inches of the primary view center lineand;• the top edge of the 400W Series unit is no lower than the bottom edge of the primary flightinstruments or the unit is line abreast with the affected CDI.If the internal display of GPS navigation annunciation within the 400W Series unit does not meet thecriteria for acceptable field-of-view as defined above, an external annunciator unit must be installedwithin 16.805 inches of the view centerline.
