Figure 21.4 Touch Screen Test Interface - Rigol HDO4000 Series User Manual

System Utility Function Setting
At this time, you can press the fron-panel keys to check whether the virtual keys are
highlighted. If yes, it indicates that the keys work normally; if no, it indicates that
there's something wrong with the keys. Click or tap Exit at the lower-left corner of the
interface or press
Touch Test
Click or tap Touch Test to enter the touch screen test interface, as shown in the figure
below.
Slide with your finger on the screen. If there is a line displaying at the empty area
where you slide on the screen and the box that you tap turns out to be filled with
green background, it indicates that the touch function of this area is normal. Click or
tap Exit at the lower-left corner of the interface or press
times to exit the key test interface.
Screen Test
Click or tap Screen Test to enter the screen test interface and check whether the
defective pixel exists.
There are 15 screen test interfaces. Click or tap the to switch to the next screen test
interface. Press
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for three consecutive times to exit the key test interface.

Figure 21.4 Touch Screen Test Interface

for three consecutive times to exit the key test interface.
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for three consecutive