Amprobe DMIII-Multitest Power-Quality-Recorder - Manual (Page 57)

AMPROBE
DMIII MULTITEST
EN-55
this function is enabled it’s not possible to record nor perform energy
measurements. This function is disabled during a recording or an
energy measurement
 MENU:
to enter the MENU mode and change the instrument settings (see
paragraph 7.1 and 7.2
). It’s not possible to enter the configuration
MENU during a recording or an energy measurement
 START/STOP: to record selected parameters according to the instrument’s settings