Sokkia CX Series Operator's Manual page 223

3. Press [DEL]. The selected
measurement data will be deleted.
4. Press {ESC} to restore <TOPO>.
• Check data items before deleting to avoid losing important data.
• Deleting an important data item, such as instrument station coordinates, can
prevent successul completion of software operations that require such data
after outputting to an external device.
28. RECORDING DATA - TOPO MENU -
213