Leica MX420 Operator's Manual page 88

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Operator's Manual
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PLOT 1 2.00Hn
Hext WPT:
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BRG
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Erase
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track
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Veloc
track!
COB
Keep latest
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now
Selecting Erase Track allows you to clear your recorded track. You can
keep a portion, say the last mile or two, of your recorded track if you
like, by specifying the range after you press the Erase Track softkey.
Press Erase Now to confirm your action. Press Escape to return the
previous screen without erasing or Eto abort this process.
fiG) PLOTTlh.ooH"M'1I
HextW
Track recording opt.ions
BRG
Save
your
track
rm
RH6
Saving resolut.ion
NorMal
IJeloci NOrMal resolution
Means:
COG
~ccuraGY
28.6n
Saving capacit,y z
500Hn
SOB
Hot.e: Tortuous navigation
reduces
the
capacit.y
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Track recording options
BRG
RHG
Save
your
track
Yes
Saving resolution
Detai~ed
Veloci Det.ailed resolut.ion
Means:
COG
Rccuracy
O.45n
Saviri9 capacity z
21Hn
SOG
Hole: Tort.uous navigation
reduces
t.he
c.apacity
1' ; ."
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Ret.urn
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,
76
Selecting Record Track allows you to define how your course is saved.
Choosing not to save your track may free the processor up to run
other functions a little bit faster; however, you are not likely to notice
any difference in performance unless the four data ports are near their
full throughput capacity. You also have three different levels of track
saving capability: Normal, Fine, and Detailed. The software saves
each calculated position coordinate to draw the lines for the plot screen.
There are a finite number of plot points which can saved inmemory,
before the CDU begins overwriting the first set of plot points. If you
are traveling a long distance at a high rate of speed (say over 10 knots)
you probably will want
10
use theNonnal selection, which only stores
a plot point when your direction changes. If you are doing some tight
maneuvering or station keeping tasks, you will probably want to use
the Derailed selection, which stores a position every
0,5
meters. The
Fine selection stores a plot point every 7 meters.
Version 1.5

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