General Dynamics R2600 Series Operator's Manual page 124

5. With the cursor located within the Display
Control zone (Cen Freq:), use the tuning
knob to center any null on the sweep
generator scope.
Ad ju st a s req u ire d
M ete r: C AB LE FA U L T
C en F req: 816 .5000 M H z
Display: SWEEP GENERATE
Vertical:
2V/
div
Pos: (<>)
Center the null
6. With the cursor located within the Display
Control zone (Cen Freq:), press the
softkey to display the frequency of
NULL
the first null.
FIRST
NULL
M ete r: C AB LE FA U L T
C e n F req: 816 .5000 M H z
F irst N ull: 816 .50 00 M H z
7. With the cursor still located within the
Display Control zone (Cen Freq:), use the
V el C onst: 0.6600
Coupling: DC
Horiz Position: (<>)
FIRST
V el C onst: 0.660 0
tuning knob to center an adjacent null to the
same location on the sweep generator scope.
8. Press the
SECOND NULL
fault distance (or cable length) will be
displayed.
SECOND
NULL
M ete r: C AB LE FA U L T
C e n F req: 821 .1800 M H z
F irst N ull: 816 .50 00 M H z
F a ult D istan ce: 69 .3 ft 21 .1 m
78
softkey. The cable
RESET
V el C onst: 0.660 0