E) Hold Function; F) Calibration - VOLTCRAFT LCR-400 Bedienungsanleitung

e) hoLD function

The HOLD function freezes the currently indicated measured value to allow you to read or record it easily.
Before measurement, ensure that this function is deactivated before the test starts. otherwise, the
measurement will be incorrect!
To switch on the HOLD function, push the "HOLD" button (4); a signal sound confirms this command and "HOLD"
appears on the display.
Push the button "HOLD" to deactivate the HOLD function.

f) Calibration

To comply with the accuracies during measurements, the measuring device must be calibrated before any measur-
ing series or when larger deviations are found.
Calibration comprises of two parts: calibration with open measuring inputs and calibration with closed measuring
inputs "SHORT". The two calibration steps are performed in sequence. They can be performed with or without
measuring lines but should be calibrated in the constellation you also use in measuring operation. The figures show
both possibilities each.
To start calibration, keep the button "CAL" (5) pushed for approx. 2 s. The calibrationmode is confirmed with a signal
sound.
The symbols "CAL", four dashes and "OPEn" are displayed.
Calibration with open measuring inputs:
Observe that the measuring inputs or lines are not connected
and exposed. Push the button "CAL" again to start. Now one,
two, three and then four dashes are shown in sequence. After
approx. 30 seconds, the result is displayed.
• Display "PASS" partial calibration successful.
You can continue with the next item.
• Display "FAIL" partial calibration failed.
In this case, check all contact points for contamination
and possible damage to the measuring lines or accidental
short-circuiting of the measuring lines. Push the "CAL"
button to cancel.
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