Amprobe Multitest-2000 Continuity-Tester - Manual (Page 60)

AMPROBE
MULTITEST2000
B1 B2 B3 B4
I3
Example of External probes connections
ν
ATTENTION:
While in the OFF position, some probe's output the Battery
voltage (approx 9V which is over the expected full scale). This
could influence the measurement of the instrument's inputs. So
NEVER connect the probes with the Selector placed in the OFF
position.