&$%% # &#$
#' &
5Ć15
Lines Six Divisions
Apart, Centered
Vertically
&# *)&$% #% %#
20. Select when you have completed the adjustments.
21. Select again to exit the routine.
22. Replace J205 (CAL-DIS) to lock out the calibration routine. (This jumper
only works with firmware version
2.10 and above.)
CAUTION
To prevent accidental loss of calibration, be sure the calibration
lockout jumper (J205) is in place. If J205 is not in place, erroneous
calibration constants can result if the calibration routine is accidenĆ
tally invoked and not properly completed.
#"&( %! $! $
"&!% "&# One pulse generator (item 10), one precision coaxial
cable (item 5), one 5X attenuator (item 1), and one 50 W termination (item 3).
&$%% % $ This procedure requires adjustments to the Display
Driver board. See Figure 5Ć14 on page 5Ć20 for the location of the adjustĆ
ments.
##"&$%$ Factory Vertical Cal adjustment procedure.
1. Display channel 1, turning all others off.
2. Connect the positive fast rise pulse output of the pulse generator to the
input as shown in Figure 5Ć12.
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