Product Introduction - Veikong VFD500 User Manual

1. Product Introduction

The LED keyboard consists of two rows of digital tubes, nine indicator lights, six button
and one number knob; the first row is used for monitoring parameters and auxiliary
display, and the second row is used for parameter setting, operatiol control and
monitoring.
The appearance of the LED keyboard is shown in Figure 1-1:
Figure 1-1 Dual Line Display LED Keyboard
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