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• There is a possibility that the instrument may not be able to correctly calculate out the
distance by collecting the reflected laser beam from a man or a car that comes and goes in
front of the target.
• There is a possibility that the distance may not be correctly measured when measuring a
target in the direction where there is a reflecting object (mirror, stainless board and white
wall, etc.) or under too strong sun light.
• In a situation high accuracy may not be expected, perform the measurement by Reflector
sheet or Prism.
• When using reflector sheet, set the reflector sheet to have its surface be approx. vertical to
the aiming line. If it is positioned not to be approx. right angle, there is a possibility that
correct distance measurements may be impossible by dispersion or reduction of laser beam.
In the following environments, the distance might not be able to be measured.
There is a reflection things (mirror, stainless board and white wall, etc.) in the direction of the
target and under too strong sun light
[Battery & charger]
• Do not use any battery or battery charger that is not approved by Pentax as it entails a risk
of damaging the instrument.
• If water should happen to splash on the instrument or the battery, wipe it off immediately
and allow it to dry in a dry location. Do not put the instrument in the case until it is
completely dry as this may result in damage to the instrument.
• Turn off the power when removing the battery from the instrument as removing the battery
while the power is still on may result in damage to the instrument.
• The battery mark displayed on the instrument is only an estimation of remaining battery
power and is not completely accurate. Replace the battery quickly when it is about to run
out of power as the time a battery lasts on one full charge differs depending on conditions
of ambient temperature, and the measurement mode of the instrument.
• Confirm the battery level remaining before operating.
[About Clock Battery (lithium)]
• Clock battery is a backup battery used for calendar clock function.
• The battery can last about five years with regular use, but it is possible to be shorter
depending on usage.
• When the voltage of the clock battery is low or runs out, the date and time display
incorrectly and indication of "Clock-batt. voltage low" will appear.
• Please contact your the dealer which the purchased was mail for any exchange or return of
the clock battery.
[LD POINT, laser pointer]
When you make a correct direction using the “LD POINT”, aim the laser beam at the wall and
mark the centre and then confirm the discrepancy between the reticle centre and the marked
point beforehand.
[Storage and operating environment]
• To prevent making short-circuit when removing the battery and charger from the case and
storing them, apply electrically resistant tape to the poles of the battery. Storing the battery
and charger as it may result in fire or burn injury due to short-circuit.
• Avoid storing the instrument in places subject to extreme high, low or radically fluctuating
temperature. (Ambient temperature range during use: –20° C to +50° C)
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