Keyboard - TENTECH EM4058 Manual De Uso

2.2. Keyboard

Key Function
ON/OFF switch
Selects the resistance measurement
function
Increase / Decrease. Switch between the frequencies of 270 Hz, 570 Hz,
870 Hz, 1170 Hz or 1470 Hz
Frequency Scan: feature that performs an earth resistance
measure with all available frequencies automatically and
calculates and display the average result besides the individual
result of each frequency
Selects the resistivity measurement
function
Increase or decrease the specified distance between rods in a
progression of 1, 2, 4, 8, 16 or 32 meters. It also allows the
operator to select the Rx function, used to check the equipment
calibration by using a standard resistance (ignoring the "distance"
parameter, not needed in this function)
Increase or decrease the specified distance between rods in one
meter steps.
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