ELMETRON CX-401, Руководство пользователя

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User‘s manual for CX-401 multifunction meter v6.0x
6.6. Setting the time of calibration validity
The meter remembers the time of calibration validity separately for three
electrodes, cells or sensors. After this time has been exceeded, the meter
signals on the display with blinking electrode number (
, or symbols)
that the calibration for this electrode is necessary.
To enter the time validity of the calibration in the measuring mode:
- press the
until the
(timeout, Pic. 8) symbol displays in the
upper row of the display. The number of days to the next calibration will be
displayed below;
- using the ,
buttons enter the required quantity of days to the
next calibration. After choosing time of one day and pressing the
button, instead of digital values the
symbol appears what deactivates
the calibration validity expiry controlling function.
Pic. 8.
Return to the measuring mode by pressing the button.