The NAV 2000R was the only generator you needed to test ADF, Marker Beacon, VOR, LOC, Glideslope, HF, VHF, and UHF Comm receivers. The NAV 2000R Signal Generator offered a frequency range of 150 kHz to 450 MHz., and is loaded with special avionic functions including the ability to generate Morse Code Ident in VOR and LOC modes, Dot/Dash pulsed audio tones corresponding to the Marker Beacon selected, Two-Tone modulation and SELCAL capability in COMM mode.
