Performance Tests
TDS 520A, 524A, 540A, & 544A Service Manual
4Ć23
# "%"# $# "$"#$# $$ "$ $ $ #*!%*
#$ #(#$ " #$ # %" Warranted Characteristics
$ Specifications.
Check Accuracy of Offset (Zero Setting)
Equipment Required:
Prerequisites: ## %#$ $ $ ""!%#$# #$
*
Preset the instrument controls:
Initialize the oscilloscope:
H "## #&" SETUP
H "## $ *% %$$ Recall Factory Setup
H "## $ #*% %$$ OK Confirm Factory Init
H "## CLEAR MENU $ "& $ %# " $ #"
Modify the default settings:
H $ $ ")$ SCALE $ #
H "## SHIFT $ ACQUIRE MENU
H "## $ *% %$$ Mode $ "## $ #*%
%$$ Hi Res
H "## DISPLAY
H "## $ *% %$$ Graticule $ "## $ #*%
%$$ Frame
H "## CURSOR
H "## $ *% %$$ Function $ "## $ #*%
%$$ H Bars
H "## CLEAR MENU
Confirm input channels are within limits for offset accuracy at zero offset:
$ ' #%#$ #+ $#$ "#$ skipping substep a since
CH 1 is already set up to be checked from step 1.
Select an unchecked channel: "## WAVEFORM OFF $ "& $
%#$ " " $ # ( "## $ "$*
%$$ $$ ""# # $ $ (% " $ "
Signal Acquisition
System Checks
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