Calibrating your digital camera and GPS unit allows you to take photographs that will be linked to their coordinates. This can be done before going out or while you are in the field. Calibration must be done before linked photographs can be taken.

1. Doubleclick the TerraSync icon on Trimble GPS screen.
2. In the upper left hand corner of the Trimble GPS home screen, make sure screen is set to Status. Touch the button under the Status button, and click on UTC Time. 
3. Set your digital camera’s clock to be the same as the GPS UTC time. If your camera does not have seconds, wait until the GPS UTC changes to a new minute and set the clock at this moment.
4. Take a picture of the UTC screen with your digital camera. Make sure you are able to read the screen clearly in the photograph.
5. Set your GPS unit to start collecting data. In the upper left hand corner, choose Data. Type in your new file name using the keyboard (if not open, the keyboard icon is located in the lower right hand corner). Dictionary name (see Creating a data dictionary for the GPS unit). Touch the Create button located in the upper right hand corner. You will then be asked what type of data to collect: Point, Line or Area. After choosing the appropriate option, touch the Create button.
6. Take as many pictures as needed. The GPS unit will be able to match up the time code on your digital camera with its own once the data have been downloaded onto the computer.