Ditel JR-D Manual Tecnico página 68

AVAILABLE KEYBOARD FUNCTIONS
In addition to already known functions used to browse through the configuration menus and submenus, introduce
and/or modify existing values and parameters, the instrument provides some more added functions.
TOTALIZER, MAX/MIN and RESET functions
Counter mode ('Cont')
TOTALIZER function is available only when operating as a counter and it is not possible to disable it. It consists in
a 6-digit counter that increases at every received pulse applying the configured factor.
Totalizer value is displayed after indication "tot" when pressing SHIFT key in a sequence of two partial readings of
three digits each. Decimal point is located in the same position as in main counter. The less significant digits are
preceded by a "L" whereas the most significant by a letter "H". If totalizer range is exceded, display will directly
display "OuE". This sequence lasts 15 seconds, alternating low and high readings (if most significant digits are null
they will not be shown). If SHIFT key is not again pressed, the instrument will automatically switch back to RUN
mode after that time.
Main counter RESET function activates only in RUN mode by pressing UP key (or closing contact between 1 and 5
pins of CN2 connector, see page 10) and remains active until this key is released. Main counter RESET sets display
to zero or to configured OFFSET value.
TOTALIZER RESET function activates while visualizing totalizer value, SHIFT key is pressed for at least 3
seconds. After this time zero is displayed. This function always sets totalizer value to zero since there is no
associated OFFSET available for it and does not affect the main counter either.
Tachometer mode ('tACH' and 'rAtE')
This device detects and stores in memory maximum and minimum values reached by the input signal. This values
remain in memory although power supply is removed, as well. When pressing repeatedly SHIFT key, MAX/MIN
function shows saved maximum and minimum values in display since last RESET function activation.
In order to differentiate this values indication from a mode RUN indication, decimal point blinks during the time
these values are shown. The unit automatically switches back to RUN mode after 15 seconds have elapsed since
the last key press.
First SHIFT key pressing shows "MAH" in display followed by the maximum value, a second pressing now shows
"Min" followed by the minimum value and finally, a third pressing shows "run" to back again in an instant to RUN
mode.
MAX/MIN RESET function activates when visualizing maximum or minimum values SHIFT key is pressed for at
least 3 seconds. If maximum is the displayed value, current input signal value will replace the previous maximum
saved value. In the same way, current input signal will replace saved minimum value while is the minimum the
displayed value.
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