•
keys: START/STOP of measurement and ENTER
2.2. Input and output connectors of the instrument
Instrument is equipped with:
•
Microphone connector LEMO EGG.1B.307.CLL.
7
1
2
3
4
5
6
Fig. 2.1. Microphone connector external view.
Pin no.
Signal
1
not connected
2
GND
3
polarization (+200V)
4
signal input
5
not connected
6
+24V
7
GND
screen
case ground
•
RS-232 connector Amphenol AMP-215875-1, to data transmission with PC.
1
4
Fig. 2.2. RS-232 connector – external view.
Pin no.
Signal
1
GND
2
TxD
3
GND
4
RxD
•
Charger connector RM650/1.3 DC-JACK, with 1.3mm inner pin.
1
2
Fig. 2.3. Charger connector – external view.