Reference
Backlight Time-Out. Pu sh this bu tton to adjust the backlight time-ou t
delay. This feature autom atically turns the backlight off after a period
of time if the oscilloscope is not being used. Use the general purpose
knob to set the backlight time-out delay to a fixed time or to ∞ ( time-out
off). Push any button to turn the back light back on after an automatic
time-out.
Backlight time-out operates only when you use battery power.
TekSecure. If you have acqui
red confidential data on you r oscilloscope,
you may want to execute the TekSecure function before you return the
oscilloscope to general u se. The TekSecure function does the following
tasks:
Replaces all waveforms in all reference memories with null sample
values
Replaces the current front-panel setup and all stored setups with
the factory setup
Calculates the checksums of all waveform memory and setup
memory locations t
o verify successful completion of waveform
and setup erasure
Displays a con fi r
mation or wa rning message if the checksum
calculation is successful or unsuccessful
After you exec
ute the TekSecure function, you must turn off the
oscilloscope power and then turn the power back on to complete the
process.
TDS3000C Series O scilloscope User Manual 135
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