S1+ and S1



Where do I find my Software Version?

Where can I update my transceiver?
We provide selected key dealers with the necessary hardware to update the equipment.
You can locate your nearest Safety Dealer HERE.

The following has changed since the introduction

  • Improved intuitive search sound and clear acoustic feedback when flagging
  • Fine search: Sound at 3.0m, tendency display at 2.5m
  • Customization of welcome screen: Password is not necessary/possible any more 

If you want to receive information about future updates, register your beacon HERE.



Our premium product S1 has an infrared interface, which ensures we can continue to further explore the limits of technology. 

If you want to receive information about future updates, register your beacon HERE.

The following has changed since the introduction:


  • ‘Cancel marking’ function: press and hold the ‘OK’ button for 2 seconds
  • Activate the ‘Deep burial’ function by pressing the ‘OK’ button from a distance of 3 to 7 m
  • ‘Welcome screen customization’ function


Significant optimizations and refinements to existing features

  • Faster display indication of the buried victims after switching to LOCATION by reducing the message "STOP-hand".
  • Protection of the "MENU button" against unintentional operation. Press and hold the MENU button for more than 2 seconds to call up the "MENU" function.
  • Optimized sensitivity for the indication “transmitter is located in front / in the rear” (180°-indication)
  • New hold function (inclination measurement)
  • Precise localization even of old and defective transmitters with frequency deviations of more than +-80 Hz.
  • Optimization and refinement of self test: transmitter, receiver, magnet sensors and battery capacity.


  • Improved self-test
  • New 4+ function
  • Automatic deep burial detection
  • UP-BOX
  • New user interface: further enhanced MENU
  • New direction indication
  • Enhanced liability and stability: resistance interference against electronic sources (radio, cell phones, cable railways)


  • New case
  • New switch ON/ OFF
  • New 4+ function
  • New update capability
  • New MENU
  • New direction indication
  • Enhanced liability and stability: compass calibration, improved resistance against electrical and atmospheric interference, receiver parameters (detection of transmitters with a period as short as 500ms)


  • Flip case with protected display
  • Revolutionary easy “transmit-search-switch”
  • Simultaneously scans all signals
  • Fully graphical display shows relative position and distance of transmitters
  • Signal analysis and marking function
  • 360°-degree indication
  • Indication of “transmitter is in front or in the rear”
  • Electronic compass and temperature indication
  • Inclination measurement
  • Automatic safety switch back into transmit mode (motion
  • sensor)