70
13. APPENDIX

13.1 Error messages

Warning Message Meaning What to do
Displayed when the instrument is
tilted beyond the vertical com-
pensation range (±3’) in case 1
axis or 2 axis automatic compen-
sation is selected. This message
may be temporarily displayed if
the instrument is turned too fast.
The input data exceeds the allow-
able range.
• This message is displayed if a
long distance which is a far
beyond measurable distance of
R-300X series is measured with
a wrong target mode.
Please select a correct target
then measure.If a wrong target
is selected, a correct distance
cannot be measured.
• The measurement distance is
less than 1.5m in Reflector
sheet mode.
• The measurement distance is
less than 1.5m in Prism mode.
• Under too strong sun light.
• Unstable light value owing to
shimmer or obstacles.
• Reflector sheet, Target and
Prism do not face the instru-
ment.
• Reflector sheet, Target and
Prism are not correctly sighted.
• Measurement range is over in
Reflectorless mode.
• Sufficient signal does not return
by sighting sharp edge etc. at
Reflectorless mode.
• The Date Clock is powered by
the built-in lithium battery.
• The lithium battery needs to be
replaced in five years.
Re-level the instrument.
Repair is needed if the message
is displayed when it is properly
leveled.
Press the [ESC] key and enter the
correct data.
Select the correct target mode.
Select a longer point,
or use a tape measure.
Change the object that has
much better reflectivity,or use a
reflecting sheet,or wait until the
sun activity has weakened.
Have the lithium battery
replaced by the dealer from
whom the instrument was
purchased.
Out of tilt range
Excess data
Mismatched
Target
Target is too
close.
Unsuitable
Condition
Li-batt.voltage is low.