BRUEL & KJAER 2203 - Instrument Details; Microphone Specifications; Circuitry Description

2.
CONTROLS
Output Attenuator _____ ~
(Transparent)
1----- Meter Light
Switch
!"of-------Meter Mechanical
Zero Adjustment
Input to
External Filter
Output from
External Fil~------+---•
Fig. 2. 1. Front view of 2203
'-----Meter Switch
(Pull
on)
Bottom Plate
(Battery Compartment)
173522
9