Trimble R6/R7 GPS and Trimble R8 GNSS Receivers User Guide 31
General Operation 4
Trimble R7 GPS Receiver Operation
C
WARNING – The Trimble R7 GPS receiver allows for a maximum of 512 files on the
CompactFlash card, regardless of the card’s capacity. The file names must be in 8.3 format,
otherwise, files copied to the CompactFlash card may cause data corruption or loss of data
when logging.
Data is logged using the current logging settings configured in the receiver. Data files
logged internally are named automatically.
To begin internal logging, press
[D]. The Logging/memory LED lights up.
To stop logging, hold down
[D] 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 turns off. Existing data files are not overwritten.
Approximate storage requirements for different logging rates are shown below. The
values shown are for a one-hour logging session with six satellites visible.
Note – If power is lost, or the CompactFlash card is removed while logging, the file system
is designed so that a maximum of ten seconds of data will be lost, regardless of the logging
rate. To ensure that this behavior occurs, use GPS Configurator to perform a quick format
of the CompactFlash card before logging data to the card for the first time.
45.2 Logging to a Trimble controller
When the Trimble R7 GPS receiver is connected to a Trimble controller, you can log
GPS data from the receiver to the controller, or to a PC card inserted in the controller.
When you use a Trimble controller, you do not use the receiver’s controls. Instead, you
use the controller functions to set logging options, specify filenames, and to control
when logging occurs.
Data is stored in job files, which can be transferred to your office computer using the
Trimble Data Transfer utility.
For more information on logging data from a receiver using a Trimble controller, refer
to the user guide for your particular controller.
Logging rate Memory required
10 Hz 2,588 KB
1 Hz 335 KB
5 seconds 87 KB
15 seconds 37 KB
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