Chauvin Arnoux CA 6651 Manual De Instrucciones página 29

2.4.2. CHECK OF THE SIGNAL
To check the signal, you must have a Handscope type oscilloscope.
„ Connect the oscilloscope between the SIGNAL and PE terminals.
The signals when the charging switch (PP) is set to N.C. take the following forms:
+12 V
-12 V
1 ms
CP switch set to A.
+6 V
-12 V
1 ms
CP switch set to C.
N.C. A
+9 V
-12 V
+3 V
-12 V
29
1 ms
CP switch set to B.
1 ms
CP switch set to D.