Appendix; Warning And Error Messages - Pentax R-2501NS Instruction Manual

12. APPENDIX

12.1 Warning and Error Messages

Warning Message
Out of tilt range
Excess data
Out of range
Unsuitable Condition
Li-batt.voltage is low.
58
Meaning
Displayed when the instrument is tilted
beyond the vertical compensation range
(±3') 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-2500NS 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.
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.
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.