ETS-Lindgren HI-2200, Руководство пользователя

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Keypad and Display
The monitoring screen displays the current field reading, the maximum value, an
average of the values, the length of time the meter has been on, or the time since
the beginning of a new log file, the log file and data point number, and the four
options available to the function keys.
In the default state data is not recorded until the log key is pressed.
The options available to the four function keys are displayed at the bottom of the
screen.
The main area of the screen give details regarding the present field reading
(RDG) in large digits, along with the units of measure currently selected. When
no probes are attached this area will display NO PROBE . When a probe that is
not calibrated for the meter is attached, this area will display NO CALIB .