Mitsubishi Electric PUZ-ZM60VHA2 Service Manual page 17

PUZ-ZM200YKA2.UK
90
80
70
60
50
40
30
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
OCH771
SPL(dB)
MODE LINE
COOLING 59
HEATING 62
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
17
PUZ-ZM250YKA2.UK
90
80
70
60
50
40
30
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
MICROPHONE
1 m
1.5 m
SPL(dB)
MODE LINE
COOLING 59
HEATING
62
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
UNIT
GROUND