<jqxKnob
[value]="-100" [min]="-100" [max]="100" [startAngle]="200"
[endAngle]="340" [rotation]="'clockwise'" [snapToStep]="true"
[marks]="marks" [labels]="labels" [spinner]="spinner" [progressBar]="progressBar"
[pointer]="pointer" [step]="'0.5'" [dragStartAngle]="200" [dragEndAngle]="340">
</jqxKnob>