Sokkia im-101 Operator's Manual page 201

Memory is full
There is no more room to enter data.
Record the data again after deleting unnecessary data from the JOB or coordinate data from the memory.
Need 1st obs
During missing line measurement, the observation of the starting position was not completed normally.
Sight the starting position accurately and press [OBS] to perform the measurement again.
Need 2nd obs
During missing line measurement, the observation of the target was not completed normally.
Sight the target accurately and press [MLM] to perform the measurement again.
Need offset pt.
Observation of the offset point during offset measurement was not completed normally.
Sight the offset point accurately and press [OBS] to perform the measurement again.
Need prism obs
During REM measurement, the observation of the target was not completed normally.
Sight the target accurately and press [OBS] to perform measurement again.
New password Diff.
Passwords input when setting a new password do not match.
Input the same password twice.
No data
When searching for or reading in coordinate data or searching for code data, the search stopped either
because the item in question does not exist or the data volume is large.
No file
There is no file for loading known point data or displaying data on the currently selected USB flash drive.
No solution
The calculation of the instrument station coordinates during resection does not converge.
Assess the results and if necessary, perform the observation again.
Intersect point could not be calculated. Either necessary data items were not input or the Intersect point
does not exist.
North/East is null, Read error
The Northing or Easting field of the given coordinate is null.
Input the coordinate.
Out of range
The tilt of the instrument exceeds the tilt angle compensation range during measurement.
Level the instrument again.
"7.2 Levelling"
A direction which does not cross with the base plane during plane offset measurement.
Out of value
During gradient % display, the display range (less than ±1000%) has been exceeded.
During REM measurement, either the vertical angle has exceeded horizontal ±89° or the measured distance
is greater than 9999.999 m.
34. WARNING AND ERROR MESSAGES
195