OWON HDS1021M - Manual (Page 55)

OWON HDS1021M Handheld DSO & DMM 8-Advanced Function of Oscilloscope
3. Press F2 Mode to select Horizontal- Vertical.
4. Press F3 to choose . Now, you can see a screen that looks like the following
figure 47.
figure 47: Autoscale Horizontal- Vertical multi-period waveforms
Note: Things you should be ware when turning on Autoscale.
1. The symbol is flickering on the top left corner of screen every half second.
2. The oscilloscope is setting Triggers automatically for the incoming signal based
on its best approach. Access from front panel to trigger controls is disabled. A
warning message will be displayed on the bottom left corner of the screen when
trying to change submenus of Trigger controls.
3. If the display mode is in XY and STOP is turned on, pressing AUTO SET to
enter into Autoscale. The oscilloscope will be set to YT mode and ATUO
triggering.
4. Oscilloscope is set as DC coupling with AUTO Triggering. A warning message
is displayed when trying to change these settings.
5. The oscilloscope will turn off Autoscale if user is trying to adjust vertical
position, voltage division, trigger level or time scale for CH1 or CH2. To back to
Autoscale, Press AUTOSET.
6. The oscilloscope is always on main time base.
7. The oscilloscope is turned into Peak Detection mode if it is in Average mode.
8. 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.
8.12 System State Menu
The system state menu is used to display information about the present horizontal system, vertical
system, trigger system and others. The operation steps are shown as below.
1. Press the MENU key and the function menu is displayed at the right of the screen.
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