1. ON/OFF/Measure /Unit Button
1. Laser on
2. Reference point (rear)
3. Distance measurement
4. Battery status
5. Previous value
6. Summary line / latest value /calculation result
Remove the battery compartment lid and then
insert 2, 1.5V AAA batteries according to the
direction icons on the inside of the battery
compartment. Replace the lid.
BATTERY REPLACEMENT
If the instrument does not switch on or the
battery symbol has no bars, replace the batteries
as previously stated above.
BATTERY DISPOSAL
You, as the end user, are legally
bound to return all used batteries,
disposal in the household garbage is
prohibited! You can hand over your
used batteries / accumulators at
collection points in your community or wherever
batteries / accumulators are sold.
Follow the valid legal stipulations in
respect of the disposal of the device at the end of
its lifecycle.
BATTERY SAFETY REMINDERS
Please dispose of batteries responsibly; always
observe local, state, and federal regulations with
regard to battery disposal.
Never dispose of batteries in a fire. Batteries may
explode or leak.
Never mix battery types. Always install new
batteries of the same type.
BUTTON FUNCTIONS
1
M
ON/OFF
LCD DISPLAY
1
2
3
5
4
6
INSTALLING THE BATTERIES
LASER DISTANCE MEASURER
LASER RADIATION
Do not stare into beam!
CLASS 2 LASER
Max. output: <1mW
Wavelength: 630-670nm
IEC 60825-1
000000000
Model: LDM-22, Battery: 2 x 1.5 AAA
Max measuring range: 0.2-20m
Ser. No.
Made in
China
OPERATION
TURNING THE UNIT ON AND OFF
Press the On/Off button to turn on the unit.
Press the On/Off button and hold it for three
seconds to turn the unit off.
The unit will automatically power off after three
minutes of inactivity.
TAKING A MEASUREMENT
Press the On/Off button to turn on the unit.
Point the laser beam to the target surface. Keep
the dot on the target point. Press the On/Off
button again to take the measurement. The
measurement value will be displayed
immediately.
NOTE: The laser beam will be turned off after the
measurement is complete.
The measurement reading can be displayed
either in Meters (m) or Feet and Inches (ft+in). To
change between the Unit of measurement press
and hold the On/Off button for two seconds.
TAKING AN ADDITIONAL MEASUREMENT
The unit is capable storing two measurements at
a time. To take a second measurement press the
On/Off button. Point the laser beam to the target
surface. Keep the dot on the target point. Press
the On/Off button again to take the
measurement. The measurement value will be
displayed immediately. The latest measurement
will always be shown at the bottom of the LCD
display. (See LCD DISPLAY).
GENERAL MAINTENANCE
This instrument is designed to provide years of
dependable service, if the following care
instructions are performed:
Keep the laser measurer dry and free from dust.
Use and store the laser measurer in nominal
temperature conditions. Temperature extremes
can shorten the life of the electronic parts and
distort or melt plastic parts.
Handle the laser measurer carefully and avoid
shock and vibration. Dropping the meter may
damage the electronic parts or the case.
Keep the laser measurer clean. Wipe the case
occasionally with a damp cloth. DO NOT use
chemicals, cleaning solvents, or detergents.
Use only fresh batteries of the correct type.
Remove old or weak batteries so they do not
leak and damage the unit.
If the laser measurer is to be stored for long
periods, the batteries should be stored
separately to prevent damage to the unit.
CODE
CAUSE & CORRECTIVE ACTION
204
Calculation error. Repeat the
procedures in ‘OPERATION’.
208
Excessive current. Please contact
your distributor.
220
Battery low. Replace batteries.
253
Temperature too low. Warm up the
device.
255
Received signal is too weak or
measurement time is too long. Use a
target plate or a good reflective
surface.
256
Received signal is too strong. The
target is too reflective. Use a target
plate or do not aim at a strong light
objective.
MAINTENANCE
TROUBLESHOOTING
261
Outside of the range of
measurement. Select the
measurement distance within the
range of measurement.
500
Hardware error. Switch the device
On/Off several times. If the code still
appears contact your distibutor.
GENERAL MAINTENANCE
Recycle unwanted materials instead of disposing
of them as waste. All tools, hoses and packaging
should be sorted, taken to the local recycling
centre and disposed of in an environmentally
safe way.
Recycle rather than dispose of unwanted
material in landfill whenever possible. The
machine must be delivered in rigid packaging to
avoid damage during transportation. The
packaging and the machine itself are
manufactured from recyclable materials and
should be disposed of accordingly.
Only dispose of electrical/electronic/battery terms
in separate collection schemes, which cater for
the recovery and recycling of materials contained
within. Your cooperation is vital to ensure the
success of these schemes and for the protection
of the environment.
Recycle packaging where facilities exist.
This symbol is known as the Crossed
out Wheelie Bin Symbol. When this
symbol is marked on a product or
battery, it means that it should not be
disposed of with your general
household waste. Some chemicals contained
within electrical/electronic products or batteries
can be harmful to health.
Now that you have purchased your tool, should a
need ever exist of repair or service, simply
contact your nearest Ryobi Authorised Service
Centre or other qualified service organistion. Be
sure to provide all pertinent facts when you call
or visit.
Someof the following symbols may be used on
this product. Please study them and learn their
meaning. Proper interpretation of these symbols
will allow you to operate the product better and
safer.
Safety Alert Symbol. Indicates
danger, warning or caution. It means
attention! Your safety is involved.
Recycle Symbol.
Waste electrical
products should not be disposed
of with household waste. Please
recycle where facilities exist. Check
with your Local Authority or retailer
for recycling advice.
CE Marking. Conforms to relevant
safety standards.
Read the Instruction Manual. Your
manual contains special messages to
bring attention to potential safety
concerns as well as operating and
servicing information. Please read all
the information carefully to ensure
satisfaction and safe use.
Warning! Laser radiation.
RECYCLING AND DISPOSAL
SERVICE
SYMBOLS