PeakTech 1245 Operation Manual page 161

Then the wave is displayed in the screen, shown as Fig. 78.
Note:
1. Entering into Autoscale function and the A flicker will be at the top left of the screen. (flicker every
0.5 second)
2. In the mode of Autoscale, the oscilloscope can self-estimate "Trigger Type" (Single, and Alternate) and
"Mode" (Edge, Video). At this point, the trigger menu is not available.
3. At the mode of XY and STOP status, pressing Autoset to enter into Autoscale, Oscilloscope switches to
YT mode and AUTO status.
4. At the mode of Autoscale, Oscilloscope is always in the state of DC coupling and AUTO triggering. In this
case, making Triggering or Coupling settings have no effect.
5. At the mode of Autoscale, if adjust the vertical position, voltage division, trigger level or time scale of CH1
or CH2, the oscilloscope will turn off Autoscale function and if press Autoset again, the oscilloscope will
enter into Autoscale.
6. Turn off the submenu at the Autoscale menu, the Autoscale is off and turn on the submenu still enters into
the function.
7. When video triggering, the horizontal time scale is 50us. If one channel is showing edge signal, the other
channel is showing video one, the time scale refers to 50us as video one as standard.
8. While the Autoscale is working, below settings will be made forcibly:
* The unit will switch from non-main time base to main time base status.
* The unit will switch to Peak detection menu while in the state of Average sampling mode.
How to Use Built-in Help
1. Press Help button, the catalog will display in the screen.
2. Press H1 or H2 to choose help topic, or just turn the M knob to choose.
3. Press H3 to view the details about the topic, or just press the M knob.
4. Press H5 to exit the help, or just do other operations.
Fig. 78 Autoscale Horizontal- Vertical multi-period waveforms
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