II. Professional Tension Calibration :
If your electronic tensioner is pulling tension inaccurately – sometimes over or
sometimes lower than the tension setting, it may need to be adjusted by rotating the blue
Calibrator Screw on the front of the circuit board inside of the tensioner.
Step 1:
Use a calibrator, apply tension as if stringing a racquet.
Step 2:
Set the tension at 5 KG, test the machine’s tension is identical to the calibrator’s tension
or not.
If the tension is too high or low, release the string by pressing the black switch and then
adjust the LO screw. Press the black switch again and then check if the machine’s tension
is identical to the calibrator’s tension or not. Repeat this procedure until the correct
tension is attained.
Step 3:
Set the tension at 35 KG, test the machine’s tension is identical to the calibrator’s tension
or not.
If the tension is too high or low, release the string by pressing the black switch and then
adjust the HI screw. Press the black switch again and then check if the machine’s tension
is identical to the calibrator’s tension or not. Repeat this procedure until the correct
tension is attained.
Step 4:
Test the rested tensions by setting the tension at 10 KG, 15 KG, 20 KG, 25KG, 30 KG
gradually and test the machine’s tension is identical to the calibrator’s tension or not.
If the tension is too high or low, release the string by pressing the black switch and then
adjust the LO screw (for the tension lower than 15 KG) or HI screw (for the tension
higher than 15 KG). Press the black switch again and then check if the machine’s tension
is identical to the calibrator’s tension or not. Repeat this procedure until the correct
tension is attained.
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