User's Manual
Example 3: Automated Measurements
TDS 620A, 640A & 644A User Manual
1Ć21
General Purpose Knob
Setting and Readout
Highlighted Menu Item with
Boxed Readout Value
General Purpose
Knob Icon
Figure 1Ć18:ăGeneral Purpose Knob Indicators
!$ "" "! " ! $ " !
! " " " " ! "!
"" " # ! ! #!" !" " #!" "
# " " ! !%! " #" High Ref: 90%
High Ref ! # " ! " & ! #
" #" " High Ref # " & "! "" "
# ! ! # "' !" " #!" "" "
# " # ! " " " #! " " #!" "
$ " " !"! " !# " "
" ! #' %" " # ! !!
" SHIFT #"" "# " " " $ " SHIFT
#"" ! " !' !'! Coarse Knobs " # ( "
" # ! !! # !"'
The Numeric Keypad
' " " # ! ! !" " #!" # "
'# " " $# ! # #! " ' !" #! "
%'! " " ' # ' !! " ENTER
# ' ! $! #" ! &"!
!# ! m M m " "! #"
$#! !! " SHIFT #"" " !! " #"