PANCONTROL PAN 1000AD Manuel D'instructions page 39

Attention! Even without an alarm, dangerous voltage can be concerned! This
depends on various factors. Therefore, if necessary, check the zero voltage
with the voltmeter.
Frequency measurement
•
Set the rotary switch to the position V
•
With the function key Hz % (6.4) you switch between frequency and
duty-cycle measurement.
•
Attach the pin-plug of the black test lead to the COM-jack and the
pin-plug of the red test lead to the INPUT-jack.
•
Touch the measuring points with the probe tips.
•
Once the reading stabilizes, read the value.
9. Maintenance
Only authorized service technicians may repair the instrument. In order to
obtain the accuracy, the unit should be calibrated 1 x yearly under operating
conditions (18 °C - 28 °C).
If the instrument is malfunctioning, please test:
- Battery condition and polarity
- Condition of the fuse(s) if available.
- Condition of the test leads.
Changing the battery(s)
Replace the battery(s) when the battery symbol or BATT is displayed on the
LCD.
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