If the manual doesn’t solve your issue, the community can:
The DOS1102 is a 2-in-1 device (oscilloscope + signal generator). Without the manual, users often struggle with:
This controls the time-base. The manual details: hanmatek dos1102 manual
A user reading only the manual would not learn:
If you need precise control:
Instead of counting squares on the screen manually, the manual guides you to the Measure button.
These knobs control the time domain of the waveform. If the manual doesn’t solve your issue, the
A: Yes. The manual describes XY mode on page ~48. Press Utility → Display → Format → XY.