15To enable the String Length Meter (SLM)function, press the String Length button onthe keypad. When the String Length buttonis pressed, one of the LED indicators above“M” or “FT” will light up to indicate that theSLM function is enabled. Pressing the StringLength button will toggle between “M” and“FT” to set the measurement units for eitherMeters (“M”) or Feet (“FT”). Measurementsare displayed in 0.1 increments.To measure a length of string from a reel orset of string, insert the end of the stringthrough the loop from the backside of thestring guide attached to the front of the SLM.Lift the clamp pad and insert the stringthrough the entry hole on the face plate of theSLM. Continue to feed the string into the entryhole until it exits the SLM through the hole onthe right side and release the clamp pad. (Inaddition to aligning the strings with the entryto the SLM, the felt clamp pads apply a slightamount of pressure to the string and wipedown the surface of the string to preventdebris from entering the SLM).When the end of the string exits through thehole on the right, press the “C” or “Entry/Clear” button on the keypad to “Zero” thedisplay, and the length of string will be mea-sured from the point on the string located atthe edge of the exit hole. Pull the end of thestring at a slow steady rate and the SLM willbegin measuring the length of string as it ispulled through the SLM and indicate the mea-surement on the LED display. When the de-sired length of string is measured, cut thestring at the edge of the exit hole.NOTE: When reaching the end of a string,pull the string through the SLM slowlyto avoid inaccurate measurement.The string length meter was designed to measure strings between 1.10 mm (18 ga) and 1.45mm (15 ga) at an accuracy of +/- 0.3% of the indicated value and +/- 2 inches (50 mm) absolute.When measuring strings smaller than 1.10 mm (such as badminton strings) the error will be-2.5% of the indicated value (up to 6” short in 40 ft) and +/- 2 inches (50 mm) absolute.SLM buttonSTRING LENGTH METER OPERATION