Fault
The display light isn't
working.
Technical data
Model:
Power supply:
Stop watch
Measurement
range:
Cause/solution
Insert a new battery as de-
scribed in the chapter "Chang-
ing the battery".
AU7-PF-23GA
1× 3V battery, type CR2032
(1× 3 V
0.5 mA CR2032)
99 hours, 59 minutes, 59 seconds
Technical data
85