User Manual of PDS Series Oscilloscope
52
1. Press
Autoscale
to activate its menu.
2. Press
F1
next to Autoscale to select
ON.
3. Press
F2
Mode
to select Horizontal- Vertical.
4. Press
F3
to choose
and press F3 to change to
. See Fig.54/55 for
details.
Fig.54: Multi cycles mode Fig.55 single cycle mode
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.
