Operation Manual

GB/IE
17
Failure Cause Solution
Low voltage
symbol
shown on LCD
display
3
.
The battery
voltage is lower
than 2.7 V.
Replace the battery in
line with the chapter on
“Inserting /
replacing battery”.
The LCD
display
3
does not
continue to
count.
Faulty wiring or
circuit
Remove battery and re-
insert after 30 seconds.
Nothing is
displayed on
the LCD display
3
.
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
2.4 V.
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
“Inserting / replacing
the battery” so that it
touches all contacts.
3. Replace the battery in
line with the chapter
“Inserting / replacing
the battery”.
Q
Cleaning and maintenance
j Clean the angle ruler before and after using it with a dry
cloth; never use petrol, solvents or cleaning agents.
j Do not immerse the angle ruler into water. Liquids can
damage the angle ruler.
j Always switch the LCD display
3
off when not using the
angle ruler. This will extend the life of the battery.
j Keep away from electrical current and electrically charged
pens to prevent damage to the chip.
Tip: You may use the hanging hole
8
to store the angle ruler
after use or cleaning.
Q
Disposal
The packaging is made entirely of recyclable materials, which
you may dispose of at local recycling facilities.
Contact your local refuse disposal authority for more details of
how to dispose of your worn-out product.