TB 9-6625-2294-24
(41) Perform steps (a) through (e) below:
Set A SWP SEC/DIV switch to 50 ns.
(a)
Set B SWP SEC/DIV switch to 5 ns (knob out).
(b)
Ensure X10 MAG pushbutton is on.
(c)
Press t pushbutton off for DLY readout.
(d)
(e)
(42) Adjust REF OR DLY POS control for DLY 53.2 ns and horizontal POSITION
control to position leading edge of 2d time marker near graticule center.
(44) Press t pushbutton to obtain a t display and press SEC/DIV knob for B SWP only.
(45) Initially adjust control for a t readout indication as listed in first row of table
17 and then superimpose the two time markers. t readout indication will be within limits
specified in first row of table 17. If not, perform b below.
(46) Repeat technique of step (45) above for remaining t readout indications listed
perform b below.
Table 17. Delta Time Display X10 MAG on and DLY Initially at 53.2 ns
Test instrument
t readout
Test instrument
calibrator
t readout
MARKER
limits
indications
output
Min
Max
(ns)
settings
(ns)
(ns)
5 nS/D
-50.00
-49.30
-50.70
5 nS/D
50.00
49.30
50.70
5 nS/D
400.00
398.30
401.70
(47) Perform steps (a) through (g) below:
(a) Press TRACK/INDEP pushbutton for TRACK.
(b) Ensure 20 MHz BW LIMIT is off.
(c) Set A SWP SEC/DIV switch as listed in first row of table 18.
(d) Set B SWP SEC/DIV switch as listed in first row of table 18 (knob out).
(f) Press t pushbutton on.
(g) Press X10 MAG off.
(48) Perform steps (a) through (c) below:
(a) Adjust control for a t readout of 8 times A SWP SEC/DIV setting.
(b) Adjust horizontal POSITION control to align leading edge of 2d time marker
on A sweep with 2d vertical graticule line.
(c) Adjust TRACE SEP control ccw to separate traces.
(49) Adjust REF OR DLY POS control to intensify 2d and 10th time markers of A
sweep. Then slightly adjust REF OR DLY POS to move leading edge of B sweep time
marker to be displayed in center area of graticule. Division limits for horizontal distance
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