ay (upgradable to display additional data) Two Marathon Model PC-251-123K 115 VAC, 250 VA lightweight Inverters (wl integral 26 VAC transformers), Annunciators (in IDS) • NO 1 INV FAIL, NO 2 INV FAIL 8FGoodridt ADI 335D - 34nch Stand-by Atlitudo Indicator providing Nay (VORA.OGGIdeslope). DME. and FMS dat