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CALIBRATION

Most tension calibrators (such as a Gamma Tension Calibrator) function by clamping off the

string attached to one the end of the calibrator and applying tension to the string located on

the opposite end of the calibrator. The tension measured by the calibrator will then display

the tension being applied to the calibrator by the machine. If the calibrator and tensioner do

not match then you can adjust the tensioner as follows:

(1) Turn the machine off and restart the machine while holding down the Test button until

the count down is complete. 22 lbs should appear on the display. (2) Apply tension to the

calibrator. (3) If the tension reading on the calibrator does not match the tension displayed on

the machine, use the tension indexing buttons to match the display to the calibrator reading

and press the Enter/Clear button (4) Release the tension applied to the calibrator and 44 lbs

should appear on the display. (5) Repeat steps #2-#4 for 44, 66 & 88lbs. (6) After completing

the adjustment at 88lbs the display will show 00 lbs. (7) Restart the machine without holding

any buttons and the calibration adjustment will be complete.

Switching the Buzzer Off and On

The stringing machine is equipped with a buzzer that sounds when any key or button is

pressed or when there is a problem with some function of the machine. The buzzer can be

disabled if desired for normal keypad entries.

To disable the buzzer, turn the machine on and while the display is counting down from 9 to

0, press and hold the Enter/Clear button for at least 5 seconds. The buzzer will be disabled

and will remain disabled. It can be enabled again by following the same steps listed above.

Note: Even when disabled, the buzzer will sound if the tensioner has a problem and the

machine requires attention. This is meant to alert the user of a problem, and can not be

disabled.

Tension Calibration Procedure

Each stringing machine has been

checked and calibrated at the factory

using accurate load sensing devices

to ensure that the machine pulls at

the correct tension. However, if you

suspect that your machine may not

be pulling at the correct tension you

can check the pulling tension with

a calibrator and make adjustments

if needed.

MOUNTING THE FRAME

Caution: To avoid racquet damage, the center posts should not contact the racquet prior to

locking down the support posts.

Adjusting the Frame Mounting

Stands

Loosen the lock bolts of the frame support

posts and space them apart with the frame

support slides separated by the approximate

length of the racquet head. Although it is not

required, it is good practice to center the sup-

port posts on the turntable. Lock one of the

posts in position by tightening the lock bolt and

position the other post until the frame support

slide is positioned near the inside surface of

the racquet frame. Securely tighten the lock

bolt of the second support post.

Tightening the Frame Supports

Tighten the Frame Support Slides by turn-

ing the adjustment knob clockwise until

snug against the racquet frame and slight

resistance is felt.

Caution: Overtightening the Center Supports

will stretch the head of the racquet and could

cause racquet damage.

Frame Shoulder Support Adjustment

Being sure the shoulder supports are free to

swivel in their mountings, simultaneously rotate

the shoulder support adjustment knobs clockwise

until both shoulder supports gently and squarely

contact the frame.