HT Instruments IRON METER Bedienungsanleitung Seite 33

4.2. FUNCTION KEYS DESCRIPTION
HOLD/ key
Pressing the HOLD/
quantity on the display. After pressing this key, the message
appears on the display. Press the HOLD/
function. Press and hold the HOLD/
the white light on the upper part of the instrument (see Fig. 2 – part
2). The white light is automatically disabled after 20 minutes
MODE/ key
The MODE/ key is used in position
resistance measurement, continuity test, diode test and capacity
"
test, in position VHz%
frequency and duty cycle, in position
to select AC or DC measurement. Long pressing the MODE/
activates/deactivates the display
automatically disabled after 5 minutes. This function is active in
any position of the rotary switch
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,
the instrument selects the most appropriate ratio for carrying out
measurement. If a reading is higher than the maximum measurable
value, the indication
the RANGE key (or upon switching on the instrument again) allows
quitting the manual mode and restoring the Autorange mode
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:
" "
and MIN for minimum value. The flashing symbol
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,
MAX MIN key (or upon switching on the instrument again) allows
quitting the function
Disabling the Auto Power OFF function
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/
turning the rotary switch. The symbol
display
•
Switch off and then on again the instrument to enable the
function
33
key freezes the value of the measured
key to activate/deactivate
"
to select measurement of voltage,
" A
'
s backlight. The backlight is
and
" "
OL appears on the display. Long pressing
"
MAX
and
key, switch on the instrument by
IRONMETER
key again to exit the
"  "
CAP to select
" " " ""
, mA and 10A
. In Autorange mode,
"
for maximum value
"
MAX MIN
. Long pressing the
" "
disappears from the
" "
H
"
key
"