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Electrostatic discharge could result in malfunctions .
When such malfunctions occur, remove the battery for a
short while and re-insert .
Failure
Low voltage sym-
bol
shown on
LCD display 3 .
The LCD
display 3 does
not continue to
count .
Nothing is
displayed on the
LCD display 3
˜ Cleaning and maintenance
Clean the digital angle finder before and after using it with
a dry cloth; never use petrol, solvents or cleaning agents .
Do not immerse the digital angle finder into water . Liquids
can damage the digital angle finder .
Always switch the LCD display 3 off when not using the
digital angle finder . This will extend the life of the battery .
Hint – After use or cleaning:
Store the product in its storage case or
Hang the product on a suitable hook using the hanging
hole 8 .
20
GB/IE
Cause
The battery
voltage is lower
than 2 .5 V .
Faulty wiring or
circuit
1 . LCD display
is switched
off .
2 . Battery is the
wrong way
round or
the battery
contact is
poor .
3 . The battery
voltage is
lower than
2 V .
Solution
Replace the battery in
line with the chapter
"Insert / replace
battery" .
Remove battery and re-
insert after 30 seconds .
1 . Switch the LCD
display on by
pressing the ON /
OFF key 5 .
2 . Remove the battery
and insert /
replace it in line
with the terminals
and the chapter
"Insert / replace
battery" so that
it touches all
contacts .
3 . Replace the battery
in line with the
chapter "Insert /
replace battery" .
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