User`s guide

4 Triggering
88 InfiniiVision Oscilloscopes User’s Guide
HF Reject
HF Reject adds a 50 kHz low-pass filter in the trigger path to remove high frequency
components from the trigger waveform. You can use HF Reject to remove high-frequency
noise, such as AM or FM broadcast stations or noise from fast system clocks, from the
trigger path.
1 Press [Mode/Coupling]&HF Reject.
-3 dB
Pass
Band
0 dB
DC 50 kHz