MS400 Datasheet, PDF (14/51 Pages) Extech Instruments Corporation. – Handheld Digital Storage Oscilloscope & Multimeter

Manually Setting the Vertical System, Horizontal System and
Trigger Position
Using the four keys OSC LEFT, OSC RIGHT, OSC UP and OSC DOWN, the user can
make the following settings by pressing OSC OPTION. The settings include: Voltage Unit
Scale for Channel 1 (CH1 VOL), Voltage Unit Scale for Channel 2 (CH2 VOL), Primary
Time base (TIME BASE), zero point position for Channel 1 (CH1 ZERO), zero point
position of channel 2 (CH2 ZERO), trigger horizontal position (TIME) and trigger level
position (TRIG).
The following example shows how to use the OSC OPTION key:
1. Press the OSC OPTION key once; the following is displayed at the bottom left side of
the screen, as shown in figure 6:
LEFT/RIGHT – Time Base
UP/DOWN – CH1 Volts/Div
Figure 6: Voltage Unit Scale of Channel 1
2. Press the key OSC UP or OSC DOWN to adjust the vertical scale of Channel 1 and
press OSC LIFT or OSC RIGHT to adjust the horizontal time scale.
3. Press OSC OPTION once again, the following display is visible at bottom left side of
the screen as shown in figure 7:
LEFT/RIGHT – Time Base
UP/DOWN – CH2 Volts/Div
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MS400 Version 2.0 – December 2007