Automatic Ttff Testing - Quectel GNSS Series User Manual

GNSS Module Series
L26-LB EVB User Guide
Figure 15: PMTK Command Sending via PowerGPS

5.3. Automatic TTFF Testing

PowerGPS tool allows users to measure the TTFF (Time to First Fix) under different testing conditions.
The TTFF can be tested under full cold start, cold start, warm start or hot start conditions, and the number
of tests can be selected from 1, 10, 20, 100, 1000 and 10000. Click the "Run" button to start the test and it
can be stopped by clicking the "Stop" button.
The following are the detailed configuration steps during TTFF testing:
Step 1: Start "MTK" menu, and then click "Static TTFF Testing" to enter Automatic TTFF Testing as
shown below:
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