Appendix F – Optional Accessories Not SuppliedGNS 480 (CNX80) Installation Manual560-0982-01 Rev A F-1APPENDIX F – OPTIONAL ACCESSORIES NOT SUPPLIEDF.1 CDI/HSI SOURCE SELECTION ANNUNCIATORSA CDI/HSI Source Selection Annunciator may be required for some installations – refer to 2.5.3.2 foradditional information describing when a source selection annunciator is required. The followingindicators and indicator/switches are suitable for source selection annunciation:Manufacturer Part Number Type NotesStaco Switch 992561-1241762200 Indicator 14VDC IndicatorStaco Switch 992561-1241862200 Indicator 28VDC IndicatorVivisun 95-40-17-B6-63816 Indicator 28VDC Indicator (can be converted to 14VDCoperation by replacing qty 4 28VDC lamps with14VDC lamps P/N 14-113).Vivisun 95-45-11-B6-63816 Indicator/Switch28VDC Indicator with momentary switch (can beconverted to 14VDC operation by replacing qty 428VDC lamps with 14VDC lamps P/N 14-113).NAT LL08-009 Indicator 28VDC Indicator (can be converted to 14VDCoperation by replacing qty 2 28VDC lamps P/N 388with 14VDC lamps P/N 386).Mid-Continent MD41-1748MD41-1748(5V)MD41-1758MD41-1758(5V)MD41-1744MD41-1754Indicator/SwitchBoth 14VDC and 28VDC indicators with momentaryswitches for remote CDI selection and suspend.Vendor Contact Information (provided for convenience only):• Staco Switch, 1139 Baker Street Costa Mesa, CA 92626 USA, ph (714) 549-3041.• Vivisun Aerospace Optics, 3201 Sandy Lane Fort Worth, Texas 76112, ph 1-888-VIVISUN.• Northern Airborne Technology Ltd. (NAT), #14-1925 Kirschner Road, Kelowna, BC, Canada,ph (250) 763-2232.• Mid-Continent Instrument Co Inc., 9400 E. 34th Street N., Wichita, KS 67226, ph (316) 630-0101