PeakTech 2025 A, Руководство по эксплуатации

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falls, still the highest indication remains on the display.
Press it again to keep the smallest reading in the display. If
this reading increases during the measurement again, still
the minimum value remains in the display.
4. Select Key
The Select key is used to switch the different modes. Press
this key in the current and voltage ranges to switch between
AC and DC voltage. Press this key also to switch between
diode and continuity test and the temperature range in °C or
°F.
5. Hold / Backlight Key
The Hold / Backlight key is used to activate the data hold
function by pressing the key once. The current measured
value is retained in the display until the button is pressed
again. Keep the button pressed for a 2 seconds and the
backlight of the LCD display is activated. This turns off
automatically after about 20 seconds.
6. Range Key
The Range button is for manual range selection. The unit
has an auto-ranging, but it can sometimes be useful to
select the measurement range manually. This increases the
response time considerably, since the search for the best
measurement range is omitted. Exceeding the measuring
range is displayed indicating an overflow symbol ”OL”.
7. REL/RS-232 Key
The relative value measurement function allows the
measurement and display of signals considering to a
defined reference value. Press the REL key 1 x and the
displayed value is set to 0. Wherein a reference value of
100V for example, and an actual measurement value of
90V, in the