During the plannig of a flight plan when I put the GW, ZFW (or accept the default data by the FMS) in PERF INIT page ..etc...the TRIP ALT doesn't appear. Why?

>During the plannig of a flight plan when I put the GW, ZFW>(or accept the default data by the FMS) in PERF INIT page>..etc...the TRIP ALT doesn't appear. Why?>Because...http://forums.avsim.net/user_files/101129.jpgBest Wishes,[h4]Randy J. Smith[/h4]http://www.rawbw.com/~bdoolin/shinault/southparkcartmad.gif[h3]PMDG 747![/h3]Caution! Not a real pilot, but do play one on TV ;-)ASUS KV8 DLX | AMD 3200 64 | 1 GIG PC 3200 DDR | GIGABYTE 5700 ULTRA | ViewSonic VP192b 19" |