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COMPASS OPERATION
Normally,compass is off and compass hand points to 12 o’clock. If compass hand does not
point to 12 o’clock when compass is off,compass hand must be adjusted; see COMPASS HAND
ADJUSTMENT.
Compass must be calibrated prior to use and calibration should be performed in the area of
intended use; see COMPASS CALIBRATION.If compass has not been calibrated since battery
replacement, attempting to activate compass causes watch to rotate compass hand once and
play melody to remind you to calibrate.
While holding watch level, press either PUSH BUTTON to activate compass.Compass hand
moves to point north. If watch is turned, compass hand will continue to move,always pointing
north. After 20 seconds,compass will automatically turn off and hand will return to its home
position, pointing to 12 o’clock. This conserves battery life.Press either PUSH BUTTON at any
time to keep compass on for another 20 seconds.Once compass is activated, there are two
typical ways to use it.
Which way am I headed? Hold watch so that 12 o’clock is in direction of your travel. Turn
compass ring until compass hand is pointing to north on ring. Your heading is direction on ring
at 12 o’clock.
Which way should I go? If you know the direction you want to go (e.g., NE), turn compass
ring until that direction appears at 12 o’clock. Then, turn your body until compass hand points
to north on compass ring.Go in the direction of 12 o’clock.
NOTE: While compass is on, INDIGLO® night-light may flicker slightly when on. This is normal,
as INDIGLO® night-light must be turned off briefly during compass readings to maintain
accuracy.Also,sweep second hand will move in two second increments while in compass mode.
DECLINATION ANGLE
A compass hand points to “magnetic north,”which may be slightly different from “true north,”
which is used on maps.This difference,called the “declination angle,” which varies around the
globe,is typically small and can be ignored in many cases.However,if you wish to compensate
for this difference,there are two ways to do so. You can do it manually by turning the compass
ring so that compass hand points to your declination angle (see table below) instead of north,
using the declination scale on compass ring.Or,you may have the watch automatically com-
pensate by setting your declination angle after compass calibration; see COMPASS
CALIBRATION.With proper declination angle set, compass hand will point to true north.
COMPASS CALIBRATION
Since a compass uses the Earth’s magnetic field, you must be aware of large metallic objects,
such as vehicles or bridges,or objects that give off electromagnetic radiation, such as TVs or
PCs,which could affect the magnetic field around the watch. If compass is calibrated near
such objects,it will only work properly in that same location. If compass is calibrated away
from such objects,it will not work properly near them. For best results,calibrate in area of
intended use.
In calibrating and taking headings,it is important, as with all compasses,to keep compass
level. Calibrating or taking a heading when watch is not level can result in large errors.Also
avoid areas that may exhibit higher than normal concentrations of hard and soft iron, as they
may cause inaccurate headings.Whenever a heading is suspect, recalibrate.
Do not store watch near any source of magnetism, such as computers,appliances,or TVs,
as watch can take on a magnetic charge,yielding inaccurate headings.
To calibrate compass,pull CROWN to MIDDLE position. Press either PUSH BUTTON to begin.
Compass hand rotates two revolutions to remind you to rotate watch. Keep watch level or
place on level surface (if band interferes,place on inverted cup). Watch may be face down,
but protect watch face.While level, SLOWLYrotate watch two revolutions,taking at least
15 seconds per revolution. This is critical in achieving proper calibration.When done,
press either PUSH BUTTON,keeping watch level. Compass hand moves back and forth to
acknowledge end of calibration and then moves to current declination angle setting (see
DECLINATION ANGLE for more information). If you do not wish to set declination angle,push
CROWN in. Otherwise,to have watch automatically compensate for declination angle,turn
compass ring until north is at 12 o’clock. Press either PUSH BUTTON to move compass hand
east (+) or west (-) to point to your location’s declination angle (see table below) using
declination scale.Hold PUSH BUTTON to move hand fast. Push CROWN in when done.
