1. Tempe­ra­tu­re in °C or °F, shows the current measu­red value
  2. Rela­ti­ve humi­di­ty in %, shows the current measu­red value
  3. Alarm: Appears as soon as a limit value has been exceeded
  4. Recor­ding: Appears as soon as a microSD-card is inser­ted (recor­ding starts automatically)
  5. Battery capa­ci­ty
  6. Left paper clip button (▲): Next menu item, confirmation
  7. Right paper clip button (+): Chan­ge subme­nu settings
  8. IR recei­ver for the remo­te control
  9. Slot for the microSD-card
  10. Mini-USB port for connec­tion to PC or power
    supp­ly via power supp­ly unit
  11. Locking push: Button for opening and locking the back of the housing
  12. Opening for the inter­nal sensor. Do not cover this area!
  13. Socket for exter­nal humidity/temperature sensor (acces­so­ry)
  14. Socket for alarm cable (acces­so­ry)
  15. Battery compart­ment
  16. Battery posi­ti­on symbol