Professional :: Placing Stop To Tweened Buttons

I have created set of dials/meters with moving arms that change as buttons are pressed. The arms move based on a "Classic Tween" set-up I created. I then applied my buttons to the flash document and then coded in some "gotoAndPlay" on an actions layer to get the arms on the dials to move when I click on the buttons. My problem is that since I have 3 buttons (High, Medium & Low) and the tweens follow one frame right after another (0, 41,78) there is no stop. When I click on Low it plays the low tween, the medium one, and the high tween. When I click on the medium it plays both the Medium and then the High. The High button obviously only plays itself. I don't know how to insert a stop between these buttons.

stop();
low_btn.addEventListener(MouseEvent.CLICK, onLow); function onLow (Event:MouseEvent):void {
gotoAndPlay(0) }
med_btn.addEventListener(MouseEvent.CLICK, onMed); function onMed (Event:MouseEvent):void {
gotoAndPlay(41) }
high_btn.addEventListener(MouseEvent.CLICK, onHigh); function onHigh (Event:MouseEvent):void {
gotoAndPlay(75)
}