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HT9020
EN - 9
5. OPERATING INSTRUCTIONS
5.1. INSTRUMENT
SETTINGS
By positioning the selector switch to “
Settings
”, the screen aside
will appear, containing the possible settings of the instrument.
Press
F1 (Sel)
key to see the different selections. Press
F2, F3
(
,
) keys to modify the settings of the selected items and
F4
(
OK
) key to confirm the selections.
Sel
OK
L a n g u a g e :
E n g l i s h
A u t o - O f f :
O F F
B a c k l i g h t :
M A N
Language
In the “
Language
” section it is possible to set the system language. Press
F2, F3
(
,
)
keys for the selection of the available languages and
F4
(
OK
) key to confirm the selected
item. The “Saved data” message is displayed for a while in the bottom part of display.
Auto - Off
In the “
Auto - Off
” section it is possible to activate/deactivate the auto power off feature.
Press
F2, F3
(
,
) keys for the selection of the “ON” or “OFF” options and
F4
(
OK
) key
to confirm the selected item. The “Saved data” message is displayed for a while in the
bottom part of display.
The “
”
symbol is displayed with auto power off feature activated and the instrument
switches off after approx.. 5 minutes of idleness.
Backlight
In the “
Backlight
” section it is possible to select the activation mode of display backlight.
Press
F2, F3
(
,
) keys for the selection of the “MAN” option (backlight manually
activated by pressing “
H
” key and disable after approx. 30 seconds) or “ON” (backlight
always active) and
F4
(
OK
) key to confirm the selected item. The “Saved data” message is
displayed for a while in the bottom part of display.
The “ON” option can result a significant reduction of the battery life.
5.2.
AC VOLTAGE DETECTION
With the selector switch set to “
V
” by taking the end of the clamp jaw near an AC source,
the red LED at the base of the clamp jaw will turn on (see Fig. 1 – part 2), which indicates
that voltage is present.
CAUTION
Phase detection is active only when the clamp selector switch is set to “
V
”
position
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