COMPASS
18
english
COMPASS
17
english
COMPASS SCREEN
There is only one screen display available in the COMPASS mode.
The display shows the CURRENT HEADING IN DEGREES in the
center line and the bearing in half cardinal points in the top line.
Opposite to one another on the display you will see a single segment
and three segments activated. The single segment indicates NORTH
and the center of the three segments indicates SOUTH.
CALIBRATING THE COMPASS
The compass of the Summit/Altitech must be calibrated on a regular
basis. The compass should be calibrated any time it does not seem to be
working properly. We recommend calibrating the compass prior to any
activity where optimal accuracy is desired, such as a long back country
trip. The watch must also be calibrated to your local altitude prior to your
initial use.
1. Start in COMPASS mode.
2. PRESS & HOLD the S4 key to enter the calibration sequence.
3. CAL will appear in the center line of the display.
4. Rotate the unit clockwise for two complete rotations of
approximately 15-seconds per rotation.
5. To exit the calibration sequence at this point using the S1 key. Or
advance to setting the magnetic declination using the S4 key.
NOTE: For the optimum accuracy, the compass must be held
completely level during the calibration process. We recommend
placing the unit on top of a drinking glass while performing the
calibration as this will make it easier to keep the compass
level.
The Summit/Altitech are equipped with a highly accurate digital magnetic compass with a resolution of
one degree. The compass can be adjusted to compensate for the magnetic declination corresponding to
the area where the compass is being used.
compass screens
main compass display
calibrate screen
calibration end
calibration error
CALIBRATING THE COMPASS (continued)
6. If the calibration is successful the display will show CAL in the
center line and END in the upper line and automatically advance
to the compass display.
7. If the calibration was unsuccessful an ERR message will appear
in the upper line of the display and you will need to repeat the
calibration sequence.
8. If you have chosen to set a magnetic declination, adjust the
degrees and direction using the S1 and S2 keys. Set and advance
from variable to variable using a the S3 key.
9. If you do not know the magnetic declination for your area, leave
this setting at ZERO.
10. When you have completely entered the magnetic declination you
desire, exit the calibration sequence using the S4 key.
compass screens
main compass display
calibrate screen
calibration end
calibration error
compass screens
main compass display
calibrate screen
calibration end
calibration error
MAGNETIC DECLINATION
A magnetic compass points to the earth’s magnetic north pole. Depending on your location, this may be
different from True North. Adjusting the magnetic declination allows you to compensate for this
variation. Magnetic declination for an area can be found on topographical maps. Declination can change
over time and distance. Make sure the source for your declination settings is up to date. The following
websites are good sources for finding local magnetic declination.
http://www.geolab.nrcan.gc.ca/geomag/cgrf_e.shtml
http://www.ngdc.noaa.gov/seg/geomag/jsp/Declination.jsp
REACTIVATING COMPASS
To save power, the compass feature of the Summit/Altitech only remains active for a period of
30-seconds. To reactivate the compass display, QUICK PRESS the S1 key.
compass screens
main compass display
calibrate screen
calibration end
calibration error
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