22
3 Operation
z
Alarm threshold 3 (AL3 – continuous alarm and end of meas
-
uring range):
– When this alarm threshold is exceeded, a continuous audible
alarm and a continuous visual alarm are triggered and
AL3
flashes on the display.
– The continuous tone is distinctly different from the operat
-
ing signal.
– The AL3 alarm cannot be acknowledged.
– There are two ways to terminate the AL3 alarm:
–
By switching to the
Measuring VOL%
application
–
By switching off the device
The alarm thresholds can be adjusted in the
System menu
(see Section 3.3.4.2).
The setting ranges of the alarm thresholds are specified under
Technical data (see Section 7.2).