Appendix; Warning And Error Messages - Pentax R-2500DN Series Instruction Manual

13. APPENDIX

13.1 Warning and Error Messages

Warning Message Meaning
Out of tilt range
Excess data
Out of range
（when being lit）
Out of range
(when flashing)
Unsuitable
Condition
Li-batt.voltage is
low.
Displayed when the instrument is tilted
beyond the vertical compensation range
(±3ʼ) in case automatic compensation is
selected.
When it is properly leveled, this message
may be temporarily displayed if the
instrument is turned too fast.
The input data exceeds the allowable
range.
This message is displayed if a long
distance which is far beyond measurable
distance of R-2500DN 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
5m in Prism mode.
Under too strong sunlight.
Unstable light value owing to shimmer or
obstacles.
Reflector sheet, Target and Prism do not
face the instrument.
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.
What to do
Re-level the
instrument.
Repair is needed if
the message is
displayed when it is
properly levelled.
Press the [ESC] key
and enter the correct
data.
Select the correct
target mode.
Select a longer point,
or use a tape
measurer.
Change the object
that has much better
reflectivity or use a
prism, or wait until
the sun activity has
weakened.
Have the lithium
battery replaced by
the dealer from whom
the instrument was
purchased.
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