Recall The Factory Default Settings - Extech Instruments MS420 User Manual

 Trigger horizontal position: The time difference between the actual trigger point
and the screen central line, which will be displayed as 0 at the center point of the
screen.
 Trigger level position: The voltage difference between the actual trigger level
and the zero position of the triggering signal source channel.
R F
ECALL THE ACTORY
To reset the Oscilloscope to the factory default settings, refer to the following:
1. Press the MENU key; the function menu will appear on the right side of the
screen
2. Press the MENU ▲ or MENU ▼ key to select a FUNCTION; three options will be
visible at the bottom of the screen.
3. Press F1 (Recall Factory) to recall the factory settings.
4. Press F2 to select "Auto calibration".
specified operating temperature by more than 5 degrees Celsius, an Auto
Calibration should be performed.
Refer to Figure 10:
Figure 10: Resetting the Oscilloscope
D S
EFAULT ETTINGS
f the ambient temperature varies from the
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