Pulsar Nova® sound level meter user manual 
 
Page 13 
Fitting the Preamplifier 
 
To connect or remove the preamplifier, please follow the diagram:  
 
 
 
When  connecting  the  preamplifier,  please  take  care  to  align  the  locking  tab  (and  red 
markings)  on  the  preamplifier  and  instrument  socket.  Push  the  preamplifier  connector 
into the instrument socket to connect them.  
 
Simply  pull  the  knurled  part  of  the  connector  towards  the  microphone  to  remove  the 
preamplifier again. 
 
 
 
DO NOT ATTEMPT TO TWIST OR TURN THE PRE-AMPLIFIER!