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13.0 Compass Mode - Precautions
13.1 Compass Mode - Compass Directions and Bearing Directions
13.2 Compass Mode - Compass Mode
The Precautions when Using the Compass
!
Check the
'What is Magnetic Declination' section for
more details.
Keep your Watch away from magnets or any
appliances w hich may contain magnetic
objects such as mobile phones, speakers,
motors and etc.
! The Watch, like most magnetic compass,
points to the magnetic north which is slightly
different from the true north.
! Perform the compass calibration from time to
time, because the calibration maintains the
precision of the compass.
! To achieve an accurate result, you should
avoid measuring direction on the following
conditions:
1) The watch is placed close to a magnetic
object
2) The watch is placed close to a metal
object
3) The watch is placed close to an electrical
appliance
4) The watch is placed inside a moving
object or a ferroconcrete building.
Compass Mode
! In the Compass Mode, the top of the display
shows the compass direction.
! The middle display shows the bearing direction.
! The bottom display shows the current time in
hour and minute.
! The pointer encircled the display shows the
direction of magnetic North analogically.
IDLE Mode
! If no button is pressed for about 1 minute, the
Watch will go to the IDLE Mode automatically.
To activate the compass again, press any
button.
Distortion
! If distortion is detected, the indicator "OFF
CAL" with flashing direction digits will appear.
! Please refer to the coming section "Calibrating
the Compass" to restore the compass to
normal operation when distortion occurs.
COM P
Dig ital Compass Mode
current time
bearing direction
of navigation
direction
magnetic north pole
pointer
navigation direction
compass direction
Compass Mode
Idle DisplayNormal Display
Distortion display
13.3 Compass Mode - Backward Bearing Direction and Compass Lock
The Direction of an Object
! The direction of an object from a point can be
specified in either compass directions or bearing
directions.
! The Watch includes both compass directions and
bearing directions.
The Compass Directions
! Th e compass di re ct io ns are sh ow n in the
adjacent table.
! For example, in the figure on the left, the
compass direction of object B from point A is due
East. The compass direction of object C from
point A is Southeast. The compass direction of
object D from point A is Northwest.
The Bearing Directions
! The Bearing direction of an object is defined as
the angular difference between North and the
ob je ct . (Ass um e 0 f or du e North, and the
measuring range is from 0 to 359 ).
! For example, in the figure on the left, the bea ring
direction of object B from point A is 90 . The
bearing direction of object C from point A is 135 .
The bearing direction of object D from point A is
315 .
°
° °
°
°
°
object B
object B
object C
Compass Directions
Bearing Directions
object C
object D
object D
angular
difference
point A
N
E
90°
SE
135°
NW
315°
point
A
0°
0°
N
Marks
N
NE
E
SE
SSE
SSW
WNW
NNW
Compass Directions Bearing Directions
North
Northeast
East
Southeast
East Southeast
South Southwest
North Northwest
S
SW
W
NW
South
Southwest
West
Northwest
ESE
ENE
WSW
NNE
West Northwest
West Southwest
South Southeast
East Northeast
North Northeast
Backward Bearing Direction
! The Watch includes a backward bearing function.
! The backward bearing direction is the bearing
direction in the opposite direction from the
normal bearing direction.
! When the 'Backward Bearing' indicator " "
appears, the Watch is showing the backward
bearing direction of the navigation direction.
! In the Compass Mode, press the [S/S] button to
select between normal and backward bearing
directions.
Compass Lock
! The Watch includes a compass lock function that
locks useful direction reading.
! In the Compass Mode, press the [L/R] button to
lock/unlock the direction reading.
! When the "Lock" indicator " " appears, the
compass direction, bearing direction and the
magnetic north pole pointer are locked.
! Compass Lock will be released automatically
when the Watch enters IDLE Mode.
0°
COM P
Normal Bearin g Dire ctio n Backward Bearin g Dire ctio n
305°
125°
0°
0°
backward
bearing
indicator
normal
bearing
direction
backward
bearing
direction
[S/S]
Dire ctio n Unlo cked
Dire ctio n Locked
compass
lock indicator
[L/R]
COM P
COM P
COM P
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