User Manual

5.7. Displaying an Unknown Signal with Auto Set
The Auto-Set feature lets the Oscilloscope display and measure unknown signals automatically. This function
optimizes the position, range, time base, and triggering and assures a stable display of virtually any
waveform. . This feature is especially useful for quickly checking several signals.
To enable the Auto-Set feature, do the following:
1. Connect the test probe to the tested signals.
2. Press the AUTO SET key and the Oscilloscope is under the automatic measurement condition. The
tested signals appear on the screen.
5.8. Automatic Zero-returning of Trigger Horizontal Position and Trigger Level Position
When we adjust the trigger horizontal position and trigger level position to be maximal to make it off the
screen center remotely, then we perform the following steps to make trigger horizontal position and trigger
level position return to zero automatically.
1. Press V key, the trigger horizontal position automatically returns to zero.
2. Press R key, the trigger level position automatically returns to zero.
5.9. Automatic Measurements
The Oscilloscope offers 5 ranges of automatic scope measurements. Your can display two numeric readings:
measurement 1 and measurement 2. These readings are selectable independently, and the measurements
can be done on the input CH1 or input CH2 waveform.
To choose a frequency for CH1, do the following:
1. Press MENU key and the function menu appears on the right side of the screen.
2. Press MENU ▲ or MENU ▼ key to select measurement 1. Five items selectable are visible at the bottom
of the screen.
3. Press F1 key and select Freq CH1 from the mean square root value item. The measurement 1 window
turns its color into red and shows the frequency for input CH1.
To choose a Peak-Peak measurement for Input CH2, do the following:
1. Press MENU key and the function menu are displayed on the right side of the screen.
2. Press MENU ▲ or MENU ▼ key and select measurement 2, with 5 items selectable displayed at the
bottom of the screen.
3. Press F4 key to select PK-PK CH2 from Peak-Peak item. The measurement 2 window turns its color to be
blue and shows the peak-peak value for input CH2.
-73-