Operating instructions HE lite
© 2017 – Pfeuffer GmbH Revision 9 Page 13 of 28
7.1 Battery and Version
To measure the battery voltage select
battery and press the central button .
Normal voltage is 4.7-4.5 V, new
batteries have been inserted.
If the voltage is < 3.3 V no more
measurements can be carried out, the
HE lite
switches off automatically. The
batteries must be replaced.
The right key »CRC« allows the user to
inquire the software and calibration
version. To return to the function battery
voltage measurement, press the key
»Bat« by pressing
(<–) you return to
the submenu »Settings«.
(Example)