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Thread Tools | Display Modes |
#11
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303pilot wrote:
I'm new to my LNAV also. Are you on the screen that displays "alt req" in the altitude field? It's a screen or two 'right' of the main one on the SW version I have. GPS 20 5.1 w/LNAV 5.6 Assuming you are talking about point (2), the "Remde mentioned" screen is 8 to the left of the "Main" screen and shows external battery voltage. The other screen I mentioned is in the "Calibrate" section and labelled "G meter" and should read around 611 if there is an actual Gmeter and around 511 if not. |
#12
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Jack Glendening wrote:
I have been trying to figure out what is happening with my Cambridge LNAV since in several flights "speed-to-fly" bars have never appeared, even in a long continuous glide straight at the goal indicated by the connected Cambridge GPS. Since "speed-to-fly" bars only appear in "cruise" mode possibly my LNAV is somehow always in "circling" mode - but I cannot find in my very thin LNAV manual (version 4, march 1995) what determines the choice of "cruise" vs "circling" mode so am hoping someone here has that knowledge so I can at least know how I should _expect_ it to behave. It took quite awhile for me to sort things out in this case, since in working on it I found problems with (1) my L-NAV, (2) the L-NAV meter, (3) my GPS-HAV, (4) the pitot tubing, and (5) the triple probe - all of which needed to be addressed (and my manual Winter vario is also kaput!). I've now decided that the problem lies in the L-NAV display, since "de beeps and de boops" indicate that it switching from circling to/from cruise mode but the "speed-to-fly" bars never appear (even though I have heard both the "speed up" and "slow down" tones). And there are other problems with the display as well (missing segments on several digits), so yet another display problem would not be a surprise. My thanks to all who volunteered suggestions. |
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