Tissot through 141_EN14/14 User Manual

www.tissot.ch

141_EN

12/14

T-TOUCH EXPERT

*

In azimuth mode, you T-TOUCH indicates the azimuth (heading) that you need 
to turn to.

The azimuth is the horizontal angle 
between the direction of an object 
and True North. The azimuth is 
measured from north in degrees 
from 0° to 359° (e.g.: East = 90°).
In azimuth mode, the T-TOUCH 
emits a beep and visual signal when 
the 6-12 o’clock axis of the watch 
is aligned with the heading set. 
12 o'clock represents the heading 
given by the azimuth relative to True North.

For a correct indication of North, it is extremely important to hold the watch as 
level as possible.

The compass function, like any other compass, 
should not be used near a metal or magnetic mass. 
In case of doubt, you can recalibrate your compass.

The rotating bezel, graduated from 0° to 359°,  
provides another method for determining the azimuth.

Accuracy:  

± 8°

Resolution:      2°

In compass mode, your T-TOUCH indicates 
the True North Pole, factoring in magnetic 
declination. 

The vertical lines (meridians) on the Earth converge at the True North Pole 
(Ng), indicating its direction. The hand of a conventional compass indicates 
the direction of the Magnetic North Pole (Nm). 
The angle (α) between these two directions Ng 
and Nm is known as magnetic declination. The 
magnetic declination value depends on your 
location on Earth. Furthermore, the Magnetic 
North Pole is constantly moving. So the magnetic 
declination value also depends on the date. If the 
correct magnetic declination value (for the loca-
tion and date) is set (see the setting procedure on 
page 11), the minutes hand of your T-TOUCH 
will point to True North (Ng). If the magnetic 
declination is set to 0, your T-TOUCH will point to Magnetic north (Nm). The 
magnetic declination values and dates are indicated on topographic charts, 
or can be found using special software available on the Internet.
For Switzerland: http://www-geol.unine.ch/geomagnetisme/Representation.htm
For the whole world: http://www.ngdc.noaa.gov/seg/geomag/magfield.shtml

 

 

 

 

 

Compass  

Calibration display

Activate calibration mode  

– glass deactivated  

   during calibration

b) Calibration failed  

– repeat calibration

Back to compass display

Turn the watch more than a complete revolution on 

a horizontal surface (e.g. a table) in an environment 

free from magnetic interference, at a rotation speed 

of around 30° per second.

Total time: 20 seconds maximum 

a) Calibration successful –  

data stored