Click the Multipurpose knob to show the Snapshot screen.
See Taking a measurement snapshot on page 89.
Verify that the Frequency value is ~1 kHz and the Period
value is ~1 ms, respectively.
Push the Menu On/Off button to close the Snapshot screen.
Push the Menu On/Off button again to close the
Measurement screen.
Getting acquainted with the oscilloscope
TBS1000C Series Oscilloscopes User Manual 27