Temperature control: Can be viewed as metric (Celsius) and US standards Dial indicator will flash when climbing temperature and remain steady once it reaches the desired temperatureSpeed: Speed dial controls rate at which the solder moves toward tip of heating element Virtually infinite numbers of speed can be obtained through use of this dialSpan modes: Unit contains two span modes that control the length of solder dispensed through solder tip Operator can choose continuous mode, which allows them to control span by actuating foot pedal Optional of pulse mode, which actuates the span by depressing the foot pedalRetract control: Allows operator to back up the solder at the tip Serves as the only control that works without the use of the foot pedal Tip adjustment: done through the use of setscrew, which controls solder tip Height adjustment: three inches allows total range of height between seven to ten inches Vertical swing adjustment: unit is 15° up and 45° down Horizontal swing adjustment: 54 from 0° positionAll brands and trademarks used are for reference only