Sony LT20A-101 Anleitung Seite 107

Erroneous counting.
Accuracy cannot be
obtained
Cleaning
L L L L L
To clean the display and casing
P M A X M I N P ― P C P H1 2 3 4
A+B
P M A X M I N P ― P C P L1 2 3 4
BA
RESET
P
MODE COMP
A
RESET
SET
B
LT20A / LT30 Series
• Check that the grownding is made correctly.
• Is there a large amount of noise?
• Check the power voltage is in the specified range.
• Check to see if the unit occasionally miscounts.
• Check for any mechanical trouble that may affect accuracy.
(Any trouble due to machine adjustment, deflection on play.)
• Check to see if the temperature difference between the measuring unit, machine and
workpiece is great.
LT20
Use dry cotton cloth.
mm
mm
To remove heavy dirt
Use diluted neutral
detergent.
Do not use.
49
(E)