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 chap-
ter on “Inserting /
replacing battery”.
The LCD dis-
play
3
does
not continue to
count.
Faulty wiring or
circuit
Remove battery
and re-insert after
30 seconds.
Nothing is dis-
played 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 bat-
tery and insert /
replace it in line
with the terminals
and the chapter
“Inserting / repla-
cing the battery”
so that it touches
all contacts.
3. Replace the bat-
tery in line with
the chapter “In-
serting / repla-
cing the batte-
ry”.
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.