Promax OD-603 Manual page 53

The following functions can not work in the XY Format:
Reference or digital wave form.
Cursor.
Time base control.
Trigger control.
FFT.
Operation steps:
Press the Display button and call out the Display Set Menu.
Press the H3 menu selection button to set XY Mode ON. The display
format is changed to be XY mode (see Figure 46.).
Trig Freq
►
It is a 6-digit trig freq. The trig freq can measure frequencies from 2Hz to
the full bandwidth. Only if the measured channel has triggering signal and in
Edge mode, it can measure frequency correctly. In the Single trigger
mode, it is a one channel trig freq and it can only measure the frequency of
the triggering channel. In the ALT trigger mode (OD-603 does not support
alternate trigger), it is a two channel trig freq and it can measure the
frequency of two channels. The trig freq is displayed at the right bottom of
the screen.
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Figure 46. XY Display Mode.
June 2016