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5700 GPS Receiver User Guide 41
General Operation 3
Operation
3.5 Logging Data
You can log data on the 5700 receiver, or you can use the receiver to
generate GPS data, which is logged to a data collector.
3.5.1 Logging Internally
The 5700 receiver can log GPS data internally on a CompactFlash
card. You can then use the Trimble Data Transfer utility to transfer
logged data files to your office computer. The transferred files are in
Trimble DAT (.dat) format.
Data is logged using the current logging settings configured in the
receiver. Data files logged internally are named automatically.
To begin internal logging, press
. The Logging/Memory LED
lights up.
To stop logging, hold down
for at least two seconds. The
Logging/Memory LED turns off.
Note – When the CompactFlash card is full, the receiver stops logging
data, and the Logging/Memory LED switches off. Existing data files
are not overwritten.
Approximate storage requirements for different logging rates are
shown in Table 3.2. The values shown are for a one-hour logging
session with six satellites visible.
Table 3.2 Storage requirements
Logging rate Memory required
10 Hz 2,588 KB
1 Hz 335 KB
5 seconds 87 KB
15 seconds 37 KB