"the VOR/DME selector"

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   "the VOR/DME selector" located on the VHF NAV Control Panel,  on the left side of the MCP.

It is described nowhere in the manual !

Anybody knows the answer ?
Many thanks

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XelieA Members Profile Send Private Message Find Members Posts Add to Buddy List Check-In Staff Joined: 06 Apr 2012 Points: 2	Post Options Post Reply Quote XelieA Report Post Thanks(0) Quote Reply Topic: "the VOR/DME selector" Posted: 06 Apr 2012 at 4:52am
	"the VOR/DME selector" located on the VHF NAV Control Panel, on the left side of the MCP. It is described nowhere in the manual ! Anybody knows the answer ? Many thanks

Slopey Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator in Command AirHauler Developer Joined: 11 Jun 2008 Points: 8280	Post Options Post Reply Quote Slopey Report Post Thanks(0) Quote Reply Posted: 06 Apr 2012 at 8:39am
	It chooses which co-located VOR/DME info is displayed. You need to tune to the VOR with the Nav radios. It'll then work like a traditional CDI/RMI does. If you don't know what a VOR is, then best to Google it but the easiest way to think of it is a bicycle wheel on top of a ground station with spokes radiating out at 1 degree intervals. You can fly towards, or away from the station, along one of the spokes, and that's the radial you are on. Combined with the DME (distance measuring equipment), you'll know how far away you are, so you can plot a position. VORs are used for navigation, and for IFR approach procedures to get onto the right approach path.
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XelieA Members Profile Send Private Message Find Members Posts Add to Buddy List Check-In Staff Joined: 06 Apr 2012 Points: 2	Post Options Post Reply Quote XelieA Report Post Thanks(0) Quote Reply Posted: 06 Apr 2012 at 9:30pm
	Thank you for your fast response. In fact I do not understand the difference between the two "VOR/DME" selector positions : MANUAL or AUTO. I also understand this selector to be used when not in AP mode am I right ?

Slopey Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator in Command AirHauler Developer Joined: 11 Jun 2008 Points: 8280	Post Options Post Reply Quote Slopey Report Post Thanks(0) Quote Reply Posted: 07 Apr 2012 at 10:56am
	Ah, ok. If Manual, the VOR frequency is set from the Nav radio frequency. If Auto, it's set by the FMC.
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Highlander_821 Members Profile Send Private Message Find Members Posts Add to Buddy List Check-In Staff Joined: 20 Nov 2011 Points: 11	Post Options Post Reply Quote Highlander_821 Report Post Thanks(0) Quote Reply Posted: 07 Apr 2012 at 11:21am
	I was told that the "auto/manual" switch is just a dummy, it doesn't actually do anything.

Slopey Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator in Command AirHauler Developer Joined: 11 Jun 2008 Points: 8280	Post Options Post Reply Quote Slopey Report Post Thanks(0) Quote Reply Posted: 07 Apr 2012 at 11:33am
	Ah - probably not on this 757, not used this one myself, so don't know if it works or not. That's what it's supposed to do though, so it'll be easy to tell
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