Write me the corresponding SCPI commands for the following questions:

1. Reset the oscilloscope to default settings for a fresh start.
2. Set the time base (horizontal) scale to 10 microseconds/division for analyzing a signal with a period of 100 microseconds.
3. Set the vertical scale for channel 1 to 500 mV/division to measure a signal with an amplitude of up to 2.5 V.
4. Set the trigger type to edge trigger, source to channel 1, and level to 1 V for capturing a stable waveform.
5. Enable channel 2 to display an additional signal on the oscilloscope.
6. Set the acquisition mode to average with 16 averages to reduce noise and improve signal clarity.
7. Perform a single acquisition to capture a one-time event or transient signal.
8. Save a screenshot of the oscilloscope display as a PNG file to the oscilloscope's internal storage for documentation purposes.
9. Retrieve the waveform data from channel 1 for post-processing or further analysis.
10. Measure the frequency of the input signal on channel 1 to determine the periodicity of the waveform. Write your response with exactly 6 paragraphs, separated with the markdown divider: ***.
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