54

Communications

GPS

GPS

The SoundPro has the capability of embedding GPS information into study headers. To interface a GPS, you need a GPS receiver with RS-232 communications that conform to NMEA 0183 version 2 and the optional 053- 729 Serial Cable. In many cases, a Male-Male DB-9 null modem connector will be required as well.

The SoundPro will keep a GPS fix for up to 1 minute before declaring it invalid at which time “No Fix” will appear if you are in the “COMM-SET” menu. In other screens where a RUN may be initiated, “GPS +” or “GPS-” is momentarily flashed in the Right Soft key indicating either a valid fix “GPS +” or an invalid or timed out fix “GPS-”.

NOTE: GPS time can be viewed in the Comm Set screen but is not used in the instrument or added to session files. Time and date stamping in session files uses information that is manually entered (“Time and date” on page 25) or downloaded from QSP II (“Information screen” on page 8).

GPS display

You can view GPS data in the Comm-Set screen. The position coordinates are stored in each study, when GPS is enabled and can be viewed with DMS (see page 9 for details.)

GPS selected

“NO Fix” indicates GPS is not connected or not reading from GPS satellite

Figure 4-17: Comm-Set screen for GPS data

GPS explained

The top two screen selections, Interface and Baud Rate, specify the GPS setup, which is explained under “Enabling GPS communications,” below. The rest of the information in the screen appears when GPS communications is enabled and data is being received from a GPS satellite.

Models SE and DL

Page 67
Image 67
3M DL, SE user manual GPS display, GPS explained