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Max/Min/Avg Measurement; Data Deletion; Backlight; Auto Off - Sofamel IER-4000 Manual De Instrucciones

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Operation Instruction

4.7. MAX/MIN/AVG Measurement

Press the key of MAX/MIN/AVG to switch the modes between the measurements of maximum,
minimum, average and normal, corresponding to each of which a symbol is shown on LCD.
(1) When MAX is selected, the LCD shows the maximum of all the data.
(2) When MIN is selected, the LCD shows the minimum of all the data.
(3) When AVG is selected, the LCD shows the average of all the data.

4.8. Data Deletion

The data can be deleted when READ or MEMO is pressed down. Press CLEAR briefly to delete the
data stored in the existing position and press it long to delete all the data stored.

4.9. Backlight

Press LIGHT to turn on or turn off the backlight and it will go off automatically 15 seconds after it is
turned on.

4.10. Auto off

Press ASP to start or cease Auto-off. The symbol "
" shown on the LCD means the Auto-off
function has been started and disappearance of the symbol means that the function has been
ceased. In case that no operation is performed within 15 minutes after Auto-off is on, the meter
goes into sleeping status and the buzzer will give sound to remind of this . Press any key to wake
the meter up. Be sure to set the switch to "OFF" if the meter will not be used for long.
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