Mitsubishi Electric Mr.SLIM PUZ-M1 OOVKA.TH Service Manual page 14

4-3. NOISE CRITERION CURVES
PUZ-M100VKA(-ET).TH
PUZ-M100YKA(-ET).TH
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PUZ-M140VKA(-ET).TH
PUZ-M140YKA(-ET).TH
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH707C
SPL(dB)
MODE LINE
COOLING 51
HEATING 54
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MODE SPL(dB) LINE
COOLING 55
HEATING 57
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PUZ-M125VKA(-ET).TH
PUZ-M125YKA(-ET).TH
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
1m
1.5m
14
SPL(dB)
MODE LINE
COOLING 54
HEATING 56
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
UNIT
GROUND