Forholdsregler før brug af Noise Db Decibels niveaumåler:
1.Do not operate the unit at high temperature and Humidity environment.
2.Please take out battery from unit if not in use for any extended period of time.
3.Once using the unit in the presence of wind ,it is a must to mount the windscreen to not pick up undesired signals.
4. Driftsmiljøforhold: Luftfugtighed Mindre end eller lig med 80 procent RF, temperatur fra 0 til 40 grader .
