HT HT9020, Руководство пользователя

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HT9020
EN - 11
4. Connect red cable to input lead
V

and black cable to input lead
COM
then position
the leads at the desired points of the circuit under test (see Fig. 5)
5. The screen shows an example of DC Voltage measurement.
Mod Fnc
D C
9 . 1
V
6. Press
F3
(
Fnc
) key to open the drop-down menu shown on
the screen nearby. At each subsequent pressure of
F3
key,
the cursor will scroll through the available items, as follows:

Max
: it constantly displays the maximum value of the
measured DC Voltage

Min
: it constantly displays the minimum value of the
measured DC Voltage

Cr+
: it constantly displays the maximum positive crest
value

Cr-
: it constantly displays the minimum negative crest
value

RST
: (RESET) it deletes all stored Max, Min, Cr+ and Cr-
values and re-start with a new measure

ESC
: it goes back from
Max/Min/Cr+/Cr-
and return to
normal measuring mode
Mod Fnc OK
D C
9 .
V
7. By pressing
F4
(
OK
), the selected item is confirmed. Nearby
an example of measurement with active Max function. The
“Max” symbol indicates the active function
Mod Fnc
M a x D C
1 2 . 0
V
8. For the use of HOLD and backlight feature see § 5.1
CAUTION
The measurement of the 4 Max, Min, Cr+ and Cr- values is simultaneous,
regardless of the displayed value.
Max
Min
Cr+
Cr-
RST
Esc