Cursor Measurements - Extech Instruments MS420 User Manual

Notes:
1. In Autoscale mode the meter can automatically set the Trigger mode (Edge,
Video, and Alternate) and Type (Edge, Video)
2. In Autoscale mode the meter switches to YT Mode (Auto) from XY mode (STOP)
3. In Autoscale, the meter defaults to DC coupling and AUTO triggering mode
4. If the user attempts to manually adjust the vertical position, voltage division,
trigger level or time scale while in the Autoscale mode the meter will
automatically exit the Autoscale mode
5. When video triggering, the horizontal time scale is 50us
C M
URSOR EASUREMENTS
Two cursors can be used to make instantaneous Time and Voltage measurements
for CH1 and CH2 signals. Refer to the following table for more information.
Function menu
Type
Source
To use the cursor for a Voltage measurement on CH1, perform the following steps:
1. Press the MENU key; the function menu will then display at the right of the
screen.
2. Press the MENU ▲ or MENU ▼ key to select Curs Meas. Two (2) selectable
options appear at the bottom of the screen.
3. Press the F1 key to select the measurement type Voltage. Two dashed lines
V1 and V2 will appear on the screen.
Settings Description
OFF Exit the cursor measurement mode
Voltage Display voltage measurement cursor and menu
Time Display time measurement cursor and menu
CH1, Select the waveform channel on which the cursor
CH2 measurement will be performed
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