User's Manual Part 1

Surveying with the Receiver
P/N 7010-0713
3-17
Total number of received correct messages (dependent on the
message type received)
Total number of received corrupt messages (dependent on the
message type received)
If the receiver is not (for some reason) receiving differential
corrections, or if none of the ports has been configured to receive
differential corrections, the LQ field will either be empty or it will
look like this: 100%(999,0000,0000).