Topcon DL-501 Instruction Manual page 109

Light is entering the eyepiece.
Use your hand or body to shield the eyepiece from the light source.
Meas.pt record full!
No more meas. points can be recorded.
Delete unnecessary JOB or route data and try again.
Meas. pt record full in current JOB!
No more meas. points can be recorded in the current JOB.
Meas. pt record full in current route!
No more meas. points can be recorded in the current route.
Meas.pt record full!
No more meas. points can be recorded.
Delete unnecessary JOB or route data and try again.
Memory connection err!
External memory device not connected correctly.
Memory full!
The external memory device became full before output finished.
Output the data again after deleting unnecessary data from the memory device, or use a new
memory device.
Memory write protect!
External memory device is write protected. Data cannot be written to the external memory device.
No data
No data exists in the current route.
No JOB
No JOB data on external media device
No JOB id
No JOB ID input.
No known point data
No known point data exists in the selected JOB.
No known pt. file
No known pt. files exist in the SD card/USB memory device.
No reobs. route
No routes exist or route merge not possible with existing routes.
No route
No route exists in the current JOB.
No route id
No route ID input. Input a route ID.
20. WARNING AND ERROR MESSAGES
101