<jqxKnob
[value]="-100" [min]="-100" [max]="100" [step]="'0.5'" [startAngle]="120"
[endAngle]="480" [snapToStep]="true" [rotation]="'clockwise'"
[marks]="marks" [labels]="labels" [progressBar]="progressBar" [pointer]="pointer"
[spinner]="spinner" [dial]="dial" [dragStartAngle]="120" [dragEndAngle]="420">
</jqxKnob>