...that's the message I get on ND when tryin' to switch to APP Mode on EFIS...It seems like my radios don't work or something like that...:( Anyone???Fritz

Fritz-you must have your NAV1 tuned to a valid ILS, to be in APP mode.(Opposite holds true for VOR mode - NAV1 must be tuned to a valid VOR).

This was a valid one... ILS 27L at EGLL 109.50 crs 274Gonna give it another try...Thanx for fast reply!!Fritz

Can't even get DME infos from VOR 1 and VOR 2...My radios are dead...Fritz

Hi Fritz.I had the same "problem" but it turned out to be caused by me. In order to get a cold and dark cockpit I load some other airplane and then kill its engines, batteries etc. The first time I did this I also switched off the avionics. When I loaded the B737NG the radios didn

Same here with rwy 25R at EDDF (also 109.50) but from a clean situation.Best Regards,Hans

Navigation Displays- Advisory MessagesMode/Frequency Disagree AnunnciationIndicates APP is selected with a VOR frequency tuned, or COR is selected with an ILS frequency tuned.*)The annunciator only applies to an on-side comparison of the EFIS control panel mode and tunes VOR/ILS frequency.*)Applicable to expanded and center APP and VOR modes.*)Dashes displayed on DME display and ILS/VOR frequency display.*)localizer deviation bar, VOR course deviation bar, and glide slpoe pointer ( for APP mode) are not displayed.All this is in the real Boeing, but in the sim apear the same Message "Frecuency Disagree".Tanguy Perera Jim