BRUEL & KJAER 4152 Instructions And Applications page 18

Artificial ear type
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Sensitivity
Red Circle
Adjustment
Knob 2
(black knob)
Knob 3
(transparent knob)
Meter Light
FiLter
Input
Output Socket
FiLter
Output
Pilot Lamp
(flashing when on)
Knob 1
fi(7(J3
Fig. 2.5. The Sound Level Meter with identification
of
knobs.
16

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