MD500 User Manual 4. Operations
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Unit Indicators
There are three red unit indicators below the data display. These indicators operate individually or in pairs to show the units used
to display data, as shown in Figure 4-2.
Figure 4-2 Unit indicator explanation
Indicator appearance Meaning
RPM
%
AVHz
Hz for frequency
RPM
%
AVHz
A for current
RPM
%
AVHz
V for voltage
RPM
%
AVHz
RPM for rotational speed
RPM
%
AVHz
% for anything relevant
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LED Display
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ƕ The frequency reference
ƕ The output frequency
ƕ Monitoring information
ƕ Fault code
The following table lists the indication of the LED display.
LED Display Indication LED Display Indication LED Display Indication LED Display Indication
0 6 C N
1 7 c P
2 8 D R
3 E T
4 A F U
5, S B L u
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