HT instruments HT9022 - Manual (Page 38)

HT9022
EN - 36
5.5.2.7. AC Energy
The screen shows an example of AC Energy measurement.
The values of Active Energy, Reactive Energy, Inductive Energy
and Capacitive Reactive Energy are shown.
Mod Par Sys Fnz
A C 5 0 . 0 H z
2 . 2 4
k W h
0 . 8 4
k V a r i h
0 . 0 0
k V a r c h
L o g 1 P
19/01-17:00:00
5.5.2.8. Hold
Short pressing key “H” activates the function Data HOLD. The display shows the message
“
H ” and the screen of the measurement in progress is “frozen”.
This operating mode is deactivated when key “H” is pressed again or the switch is
operated.
5.5.2.9. Backlight
Long pressing key “H” activates or deactivates the display backlight. This function
automatically deactivates after approximately 10 seconds after being activated, in order
not to discharge the batteries.