Reference
When a reference waveform is selected, it appears brighter than other
reference waveforms. Reference w aveform s do not contain gray-scale
information.
Removing a Reference Waveform from the Display. To remove a reference
waveform from the display, push the Ref button and then the Ref1,
Ref2, Ref3, or Ref4 screen button to s elect a reference waveform.
Push the Waveform Off button
. The refere nce waveform is still in
nonvolatile mem ory an d can be displayed aga in.
Erasing All Setups and Waveforms. Refer to TekSecure for instructions on
how to erase all setups and waveforms saved in nonvolatile me m ory.
(See page 135.)
Using a USB Flash Drive
You can use the save and r ecall file fun c tions with a USB flash drive.
Push the Save/Recall button, and the File Utilities screen button. The
next table shows th e F ile Utilities submenu.
Bottom Side D escription
Delete
Deletes a file.
Rename
Renames a file.
Copy Copies a file to another directory.
Print
Prints a file to a p rinter connected
to one of the hard c opy ports.
Create Directory Creates a new directory.
Confirm Delete Turns On or Off a confirmation
message before files are deleted.
Overwrite Lock Sets file overwrite protection to On
or Off.
File Utilities
Format
Formats a USB flash drive (era ses
all files).
Key Points
Upgrading Firmware. You can use a U SB flash d rive to upg rade the
oscilloscope firmware or install new application packages. (See
page xxi.)
TDS3000C Series O scilloscope User Manual 105
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