70
/
99
Table 12-3 REF Waveform Load Menu
Functions
Option
Descriptions
Reference
Ref-A
、
Ref-B
Select any of the two references to load waveforms
Disk
Local
Press REF, loading the waveform form internal of the oscilloscope
USB
Press REF, loading the waveform from external USB storage device
Load
Press REF to pop out the select file frame, adjusting Multipurpose to select file
Delete
Turn off the current REF waveform
The callback REF waveform is shown in Figure 12-1.
Figure 12-1
After the callback, the Ref waveform status will be displayed in the lower left corner, including time base
scale and amplitude scale. User can use the vertical and horizontal control knob to adjust the Ref
waveform position on the screen and the time base scale and the amplitude scale.
Remark
Only when the oscilloscope is connected to an external USB storage device, user can select
the disk as USB, and then save the settings to the USB storage device. When the USB
storage device is not connected, it will prompt
“Detect USB device is failed.”