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13 Event Marker Input and 1PPS Output
148 5700 GPS Receiver User Guide
Reference
• b is the number of satellites being tracked: 1 to 9, “:” (for 10),
“;” (for 11), or “<” (for 12).
• Each time tag is terminated by a carriage return, line feed
sequence.
A typical printout looks like this:
UTC 93.12.21 20:21:16 56
UTC 93.12.21 20:21:17 56
UTC 93.12.21 20:21:18 56
If a and b are ??, the time is based on the receiver clock because the
receiver is not tracking satellites. The receiver clock is less accurate
than time readings extracted from satellite signals.
13.3.3 Enabling and Configuring 1PPS Output
To enable or configure the 1PPS output function, you need either the
GPS Configurator software or the Configuration Toolbox software.
In real time
You can use the GPS Configurator software to configure a Trimble
GPS receiver connected to your office computer. For more
information, see GPS Configurator Software, page 66, or refer to the
GPS Configurator Help.
To enable 1PPS output:
1. Connect the computer to the 5700 receiver.
2. Power on the 5700 receiver.
3. To start the GPS Configurator software, click , then
select Programs / Trimble / GPS Configurator / GPS
Configurator.
The GPS Configurator dialog appears and the software
automatically connects to the 5700 receiver.
4. Select the Serial outputs tab.