HT IRONMETER, Руководство пользователя

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IRONMETER
EN - 6
4.2. DESCRIPTION OF FUNCTION KEYS
4.2.1. HOLD/ key
Pressing the HOLD/ key freezes the value of the measured quantity on the display. After
pressing this key, the message
“
H
”
appears on the display. Press the HOLD/ key again
to exit the function.
Press and hold the HOLD/ key to activate/deactivate the white light on the upper part of
the instrument (see Fig. 2
–
part 2).
4.2.2. MODE/
key
The MODE/ key is used in position
“

CAP
”
to select resistance measurement,
continuity test, diode test and capacity test, in position
“
VHz%

”
to select measurement of
voltage, frequency and duty cycle, in position
“

A
”
,
“
mA
”
and
““
10A
”
to select AC or
DC measurement.
Long pressing the MODE/
key activates/deactivates the display
’
s backlight. This
function is active in any position of the rotary switch.
4.2.3. RANGE
key
Press the RANGE key to disable the Autorange function. The symbol
“
AUTO
”
disappears
from the upper left part of the display. In manual mode, press the RANGE key to change
measuring range: the relevant decimal point will change its position. The RANGE key is
not active in positions Hz%, CAP,
and . In Autorange mode, the instrument selects
the most appropriate ratio for carrying out measurement. If a reading is higher than the
maximum measurable value, the indication
“
O.L
”
appears on the display.
Long pressing the RANGE key (or upon switching on the instrument again) allows quitting
the manual mode and restoring the Autorange mode.
4.2.4. MAX
MIN key
Pressing the MAX MIN key once activates the detection of maximum and minimum values
of the quantity being tested. Both 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. The flashing symbol
“
MAX MIN
”
shows the current value on the display. The MAX
MIN key is not active when the HOLD function is activated. The function is not active for
measurements Hz%, CAP,
and . Long pressing the MAX MIN key (or upon switching
on the instrument again) allows quitting the function.
4.2.5. 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. The symbol
“ ”
appears on the display.
To disable the Auto Power Off function, proceed as follows:

Switch off the instrument (OFF)

Press and hold the MODE/ key, switch on the instrument by turning the rotary
switch. The symbol
“ ”
disappears from the display

Switch off and then on again the instrument to enable the function.