GNSS Module Series
LC29D_EVB(0)_User_Guide 21 / 42
5.2.
Automatic TTFF Testing
The QGNSS tool allows users to measure Time to First Fix (TTFF) under the following testing conditions:
⚫
Full cold start,
⚫
Cold start,
⚫
Warm start, or
⚫
Hot start.
QGNSS configuration steps for TTFF testing:
Step 1:
Click the “
Tools
” menu, and select the “
Static TTFF Testing
” as shown in the figure below.
Figure 9: Static TTFF Testing via QGNSS
Step 2:
AGNSS is optional when testing TTFF for this tool, as shown in the figure below.
Figure 10: AGNSS Select