When the firmware does not find a synchronization signal (P‑SS and S‑SS), this message is displayed. Measurement results are cleared (‘--’ is seen in the result area for all modulation and Scanner results. Channel Power will continue to be displayed).
2. No Trigger found
When Trigger is set to ‘External’ and no external trigger is found, this message is displayed. Results that depend on the trigger are cleared (‘--’ is seen in the result area)