Service manual

6-1
SOUND LEVEL CHARACTERISTICS
SM HADDCI 1-A.2 GB
6. SOUND LEVEL CHARACTERISTICS
6.1 Sound Pressure Level
Figure 1. Wall Mounted
6.2 Sound Pressure Level Spectrum (Measured as Figure 1)
Hz, BAND CENTER FREQUENCIES
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
MICRO BAR0.002 dB re , OCTAVE BAND SOUND PRESSURE LEVEL
Hz, BAND CENTER FREQUENCIES
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
MICRO BAR0.002 dB re , OCTAVE BAND SOUND PRESSURE LEVEL
FAN SPEED LINE
HI
ME
LO
HAD007 HAD009
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