BRUEL & KJAER 1615 - Page 19

NOTE: Take care that the +terminal of the external DC source is connect-
ed with pin 2 and the -terminal with pin 1. If inversely connected
a spark-suppressor diode will be damaged.
When the switching action is controlled from the Level Recorder Type 2305
a special cable AQ 0019 has to be applied between the two instruments.
2Hz s wit ch
posi t ion
24 v
Re-mote- Co ntr o l
Vie-we-d e-xte-rna lly
Fig.2.13 Connections to socket REMOTE CONTROL for remote control
of Filter Switch.
15