Description Of Function Keys; H Key; Key; Mode Key - Ht Instruments Ht3010 Manuel D'utilisation
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Les langues disponibles
HT3010
4.2. DESCRIPTION OF FUNCTION KEYS
4.2.1. H key
Pressing the H key activates the function Data HOLD, i.e. the value of the measured
quantity is frozen. The message "H" appears on the display. This operating mode is
disabled when the "HOLD" key is pressed again or the switch is operated.
4.2.2.
key
Press the
key in order to enable/disable the backlight feature. This function is active for
each position of the switch and for sake of battery saving after 1 minute the light is
automatically switched off
4.2.3. MODE key
The MODE key allows to select a double function in some positions of the switch. In
particular it is active in the 2A
Hz, 20A
Hz 400A
Hz, V
Hz positions in order to pass
through frequency (Hz) for AC current or voltage measurements, in the
in order to
select resistance measurement, continuity test with buzzer and diode test
4.2.4. RANGE key
By pressing RANGE key, the manual mode is activated and the "AUTO" symbol
disappears from the display. Press RANGE cyclically to change the measuring range and
fix the decimal point on the display. To restore the autorange keep RANGE key pressed
for at least 1s or rotate the switch to another position. This feature is not active in NCV,
2A
Hz, 20A
Hz, 400A
Hz and
/
positions.
4.2.5. MAX MIN key
Pressing the MAX MIN key activates the detection of maximum and minimum values of
the quantity being tested. The values are constantly updated and are displayed cyclically
every time the same key is pressed again. The display shows the symbol associated with
the selected function:
MAX
for maximum value and
MIN
for minimum value. Pressing
"
"
"
"
the MAXMIN key the "AUTO" function is disabled. The function is not active for
measurements NCV, Hz and
/
positions. Long pressing the MAX MIN key (or upon
switching on the instrument again) allows quitting the function.
4.2.6. Disabling the Auto Power Off function
In order to preserve internal batteries, the instrument switches off automatically
approximately 15 minutes after it was last used. To disable the Auto Power Off function,
proceed as follows:
➢ Switch off the instrument (OFF)
➢ By pressing and hold MODE key and switching on the instrument. The symbol
"
"
disappears from the display
➢ Switch off and then on again the instrument to enable the function again.
EN – 7
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