Campbell Scientific CR3000 Micrologger - Manual (Page 116)

Section 7. Installation
116
Note To retain data, Preserve data if no table changed must be selected
whether or not CF card (CRD: drive) or Campbell Scientific mass-storage media
(USB: drive) be connected.
Regardless of the program-upload tool used, if any change occurs to data table
structures listed in table Data Table Structures
(p. 116),
data will be erased when a
new program is sent.
Table 8. Program Send Options that Reset
Memory*
LoggerNet | Connect | Program Send
PC400 | Clock/Program | Send Program
PC200W | Clock/Program | Send Program
RTDAQ | Clock/Program | Send Program
DevConfig | Logger Control | Send Program
*Reset memory and set program attributes to Run Always
Figure 48: CRBasic Editor Program Send File Control window
Table 9. Data Table
Structures
-Data table name(s)
-Data interval or offset
-Number of fields per record
-Number of bytes per field
-Field type, size, name, or position
-Number of records in table