Leica GR10 Operational Manual page 374

Operational Manual (Online Help)
Null fields
Symbol Field
No Information
symbol unavailable
for output
•
Fields are always separated by a comma. Before the Checksum field there is never a comma.
•
When information for a field is not available, the position in the data string is empty.
372
Description
Null fields do not contain any information at all.
Example
,,