ELMETRON CX-401, User Manual, Page: 14 / 120

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User‘s manual for CX-401 multifunction meter v6.0x
The keyboard (Pic. 2) placed below the display is used for switching the
meter on and off, choosing the measuring function, calibration, entering the
parameters and storing the results in the memory.
The keyboard is equipped with the following keys:
- pressing shortly switches the meter on, enables changing the
function, pressing and holding switches the meter off.
- pressing and holding enters the calibration mode (CAL symbol
displayed). Pressing shortly in this mode confirms the
calibration result.
- pressing shortly holds the reading on the display, records the
reading or starts the measuring series.
- pressing and holding this button enters reviewing the stored
readings.
- chooses the entered parameter.
, - buttons used for entering the parameters.
In the upper wall of the meter inputs are placed with the symbols given below:
pH
- the BNC-50 input for connecting the combination pH electrode or
the redox electrode;
t - the Chinch input for connecting the temperature probe;
O2 - the BNC-50 input for connecting the oxygen sensor;
USB - microUSB input for connecting the power adapter or with the PC;
Cond - the BNC-50 input for the conductivity cell.