In Emergencies; Taking Your Trekker-X4 Into The Great Outdoors; Advice For Using Your Trekker-X4 Underwater; Post-Immersion Advice - Crosscall TREKKER-X4 Bedienungsanleitung

(Settings > Keys > Programmable Key > SOS).
To choose who to alert in case of danger, open the SOS app (or programme the SOS
function directly via the programmable key) and enter the information requested.
Enter a message that will automatically be sent if you are in danger. Example: "I'm in
danger, please contact the emergency services. Here is my GPS location".

IN EMERGENCIES:

Press the programmable key, and a call will automatically be made to the person(s)
selected in advance. They will be sent an SMS containing your GPS location.

TAKING YOUR TREKKER-X4 INTO THE GREAT OUTDOORS

ADVICE FOR USING YOUR TREKKER-X4 UNDERWATER

Before use in an aquatic environment, make sure that the sealing caps (which cover the
USB ports and the headphone jack) are securely closed.
TOUCH-LOCK FUNCTION
To take pictures, remember to activate the touch-lock
touch screen (in photo function, icon at the top of your screen). You can then press a
volume key to take photos (or use the programmable button).

POST-IMMERSION ADVICE

After immersion in seawater; you should rinse your mobile in freshwater.
It may be that the slits of the loud speaker and microphone are blocked with water. Wait
a few minutes before making a call to get back to optimal functionality.

USING YOUR TREKKER-X4 WITH GLOVES

This option increases the touch sensitivity of the screen.
Settings > Display > Advanced Settings > Glove Mode

X4-SENSORS APP

This app gives you information about the sensors integrated into your mobile.
These sensors will ensure that your apps can run at optimal performance.
When opening the app for the first time, click on "Accept" to accept the terms and
conditions of use.
Thermometer: measures the surrounding temperature. However, it can be influenced by
the temperature of the phone itself (charging circuit, processor activity, etc.), particularly
if it has been left in a pocket or close to the body for a long period of time.
Hygrometer: the hygrometry sensor measures the humidity in the air. It is expressed as a
% of the saturated quantity of water vapour.
The magnetometer: This is the compass feature. This sensor functions regardless of your
phone's position (unlike a compass, which must be in a horizontal position). It measures
the phone's orientation relative to the magnetic north. Calibrate your compass by
following the instructions on the screen.
Accelerometer: lets you measure and see the phone's acceleration based on 3 axes.
function which locks your
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