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MN
N340
320
300
280
W260
240
220 200 S160
140
120100
E80
60
4020
Using a compass to sight a bearing to a distant target.
Measures an angle between Magnetic North, your location, and the distant target.
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• Sight to the target with the compass. • Turn the ring to align
the orienting arrow with the red end of the magnetic needle.
• Read the bearing from the ring at the index line.
Using a compass to get a bearing to a distant target.
MN
N340
320
300
280
W260
240
220 200 S160
140
120100
E80
60
4020
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Sighting with a Mirrored Compass
• Hold the compass level with the mirror at about a 45° angle.
• Use the sighting notch to align the compass with the target.
• Looking into the mirror, turn the dial to align the orienting arrow with the north needle.
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Sighting with a Mirrored Compass
• Turn the dial to align the orienting arrow with the north arrow.
N
340
320
300
280
W260
240 220 200S
160140
120100E
80
604020
N
340
320300280W260
240
220
200
S
160
140 120 100E
80
6040
20
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Needle ParallaxGood Bad
Keep the needle parallel to the orienting arrow.
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Parallax Side View
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Needle ParallaxView from Above View from Behind
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N
340
320300280W260
240
220
200
S
160
140 120 100E
80
6040
20
340
320300280W260
297°
Sighting with a Mirrored Compass
• Read the bearing from the index line
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Each increment is 2°!Longer tics every 10°!Labeled every 20° 296°
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212°
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36°
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36°
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254° 255°!?
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Labeled every 10°!Longer tics every 5° !Each increment is 1°
Circle in a Circle!to !
“Box the Needle”
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305°-306°
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357°
357.5°
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Sighting with a!Lensatic Style Compass
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Labeled in !Degrees and Mils!(6400 mils = 360°)!!Degrees!Labeled every 20°!Tics every 5° !!Mils!Labeled every 200 mils!Long tics every 100 mils!Increment every 20 mils
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1850 mils!104°
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550 mils!31°
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4640 mils!261°
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5750 mils!323°
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Sighting with a!Direct Sighting Style Compass
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LensMirror
Floating Compass Card
Side View
54LU Compass
70
250
60
240
50
230
80
260
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Forward bearings in!! large type!Back bearings in!! small type!!Labeled every 10°!Increases left-to-right!Longer tics every 5° !Each increment is 1°
226° 46°Forward bearing? Back bearing?
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275.5° 95.5°Forward bearing? Back bearing?
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Forward bearings in!! black type!Back bearings in!! red type!!Labeled every 10°!Increases right-to-left!Each increment is 1°
276° 96°Forward bearing? Back bearing?