HT instruments HT9022 - Manual (Page 29)

HT9022
EN - 27
• %: it displays the value of the harmonics as percentage value with respect to the
fundamental;
• Rst: it deletes all stored Max and Min values;
• Esc
: it goes back to a normal measuring mode.
Note: since the menu contains functions with a different meaning (Max-Min and Abs-%), it
is necessary to enter the menu twice: once for displaying Abs or % values and another
time to enable the Max or Min functions.
By pressing key F3 (OK), the selected item is confirmed.
To the side, an example of measurement with active Max
function. The display shows the active function.
◄
Par
► Fnz
H 0 1 1 0 0 . 0 A
T h d I 1 0 . 0 %
M a x
19/01-17:00:00
5.4.2.4. 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.
5.4.2.5. 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.