What information gives the ert 300 – GAMMA ERT 300 User Manual
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DT range / Power of play
Lo
DT 28...34
Defensive play
Mid
DT 35...41
Dynamic, offensive play
Hi
DT 42...46
Fast, aggressive play
Hi+
DT 47...54
Very fast, extremely
aggressive play
ERROR
No DT detection
Tension to low or incorrect handling
Place the device again
DYNAMIC TENSION DT (DT-value)
DT is the string bed stiffness
Higher DT for more control
Lower DT for more power (ball speed up)
Replace the batteries 2 x CR 2032 coin type
Restring the racquet at the latest
(Not recommended to play tennis when DT below 28)
kp, lbs.
String tension kp, lbs.
To be read out at the DT system disc
DT is the string bed stiffness. The DT-value is the ball force in kilopond (kp) that is
needed to deflect the string bed 1 cm at the sweet spot (ball impact).
Internat. standard. units: kp/cm or Newton/mm.
DT determines the playing characteristics POWER and CONTROL.
What information gives the ERT 300
E
N
G
LI
S
H
33
LCD Display
Push button
Lever
Claws
Batteries 2 x CR 2032