GB
Operating instructions
PM 231 E
32
5.4.3 Standby Mode
The display (2) returns approx. 10 seconds after pressing
the buttons to standby mode and shows the current time
(20, 21, 22, 23, 25), day of the week (19), line voltage
(10, 15) and frequency (26, 27).
5.4.4 Reset Button
Press the reset button RESET with a pointed object to
clear all data in the memory including the current time and
all programs. For a few seconds the complete display (2)
with all parameters is shown.
5.4.5 Change Batteries
The power meter comes ex factory with 3 x 1.5 V LR44/
AG13 button cells installed in the battery compartment. To
exchange the batteries, please follow these steps:
The battery compartment is located at the rear of the
unit. Use a
fl
at screwdriver to carefully lift the cover of the
battery compartment. Remove the empty batteries and
replace them with new ones. Observe the polarity (+/-) as
indicated inside the cover (
fl
at side (+) to the left). Care-
fully replace the cover again. Take care not to damage the
terminals when closing the cover.