Mitsubishi Heavy Industries FDTC40ZHXV Technical Manual page 144

Measured based on JIS B 8616
Mike position as pen drawing
39 dB (A) at HIGH
38 dB (A) at MEDIUM
37 dB (A) at LOW
46 dB (A) at HIGH
44 dB (A) at MEDIUM
43 dB (A) at LOW
Measured based on JIS B 8616
Mike position as pen drawing
34 dB (A) at HIGH
31 dB (A) at MEDIUM
28 dB (A) at LOW
Unit
1 m
Mike (in front & below unit)
41 dB (A) at HIGH
39 dB (A) at MEDIUM
38 dB (A) at LOW
1.5 m
35 dB (A) at HIGH
32 dB (A) at MEDIUM
29 dB (A) at LOW
137
- -
Unit
Mike (at center & below unit)
44 dB (A) at HIGH
41 dB (A) at MEDIUM
39 dB (A) at LOW
37 dB (A) at HIGH
35 dB (A) at MEDIUM
32 dB (A) at LOW