Think it's to be compatible with some equipment that will answer back acknowledging that it switched or changed LO or whatever. I read something to this effect way long time ago. But I've never read of any equipment that actually does this. When this feature shows up in the FTA community is anyones guess. Must be some commercial stuff using it(???)
One night I walked home very late and fell asleep in somebody's satellite dish.My dreams were showing up on TV's all over the world. -- Steven Wright
Openbox S9, Pansat 3500SD, 139w to 55.5W +30W
10Ft USS Steel BUD and an assortment of ChannelMaster dishes, (1)84e, (2).7m, (2)1.2m,(1)1.0M, (1)2.4m[8ft] offset in storage.