[ 128 ]• SOUND METERThe sound meter measures the level of sound in the immediate vicinity ofyour phone, giving an approximation of the actual decibel level. The soundmeter provides general measurements for personal use that may varyfrom scientific measurements. The vertical bar scrolls up and down,showing the changing noise level. The number in the upper box shows thepeak value in decibels. The number in the lower box shows the currentsound level in decibels.Note: The sound meter cannot be used when a headset isconnected to the phone.From the start screen press Menu 1-1-6 (Extras > Sound meter).Press Options for the following choices:• Reset peak resets the peak value.• Hold peak displays both values, but the peak value is updated onlywhen the current noise level is greater than the peak value.• Dynamic peak displays both values, but the peak value is valid foronly 5 seconds.• Noise tuning simulates the sensitivity of the phone hearing mechanismfor different frequencies. You can choose between low noise (sounds< 85 dB) and loud noise (sounds > 85 dB).
