ETI 822-400, Руководство пользователя

Страница: 9 / 12

9
GENERAL OPERATION
Place the calibrator on a flat surface with at least 8 inches of free space around
the instrument, with the instrument facing the user.
• Connect the calibrator to the power supply, ensuring correct voltage
(11OV or 220V).
• Press the "on" button to power the unit on.
CHANGING DISPLAY UNITS.
The calibrator can display temperature in Celsius or Fahrenheit.
The temperature units are shipped from the factory set to Celsius and locked.
TO UNLOCK THE FACTORY SETTING:-
Press the "SET" and " " buttons at the same time.
After unlocking, first press the "SET" button for three seconds, the red LED on the
first line will display
the second line green LED will display "pt2";
Release the "SET" button and press the " " button, the green LED on the
second line will indicate the current temperature unit.
Press "DOWN" to select °F, press "UP" again to select °C. The chosen temperature
unit will flash.
Press "SET" to confirm. The green LED will stop flashing, press "SET" again for the
calibrator to return to operation mode.
In order to keep good operation, please lock the values after the temperature
unit changed.
To do this –
•
Press the " " button three times, red LED on the first line displays ,the
green LED on the second line displays "OFF".
•
Press "UP" button two times, green LED will display
•
Finally press "SET" to complete.
TO TURN THE UNIT OFF
Turning off the power at high temperature will damage the sensor/heating parts
of the calibrator, therefore reduce the temperature to 50 °C after measurement.
When the temperature is reduced to 50 °C the user can then turn off the power.