Performance Check—455/A2/B2
15. 50 kHz EXTERNAL TRIGGERING
a. Adjust generator output amplitude for 2.5 division
display.
b. Set A SOURCE switch to EXT.
c. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch for AC and DC
positions of A COUPLING switch.
d. Set: HORIZ DISPLAY B DLY'D
B SOURCE EXT
e. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch for AC and DC
positions of B COUPLING switch.
f. Adjust generator output amplitude for 5 division
display.
g. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch for LF REJ and HF
REJ positions of B COUPLING switch.
h. Set HORIZ DISPLAY to A.
i. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch for LF REJ and HF
REJ positions of A COUPLING switch.
16. 10 MHz EXTERNAL TRIGGERING
a. Set generator frequency to 10 MHz. Set A and B
TIME/DIV to .05 ms.
b. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch for LF REJ position
of A COUPLING switch.
c. CHECK—No stable display can be obtained in HF REJ
position of A COUPLING switch.
d. Set HORIZ DISPLAY to B DLY'D.
e. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch for LF REJ position
of B COUPLING switch.
f. CHECK—No stable display can be obtained in HF REJ
position of B COUPLING.
g. Set HORIZ DISPLAY to A.
h. CHECK-Stable display can be obtained in both +
and - positions of A SLOPE switch for AC and DC
positions of A COUPLING switch.
i. Set HORIZ DISPLAY to B DLY’D.
j. Set generator frequency to 50 kHz (reference) and
adjust output amplitude for 2.5—division display. Return
generator frequency to 10 MHz.
k. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch for AC and DC
positions of B COUPLING switch.
17. 50 MHz EXTERNAL TRIGGERING
a. Set HORIZ DISPLAY to A and set CH 1 and CH 2
VOLTS/DIV switches to 50 mV.
b. Set generator frequency to 50 kHz (reference) and
adjust output amplitude for 5 division display.
c. Set generator frequency to 50 MHz.
d. CHECK—Stable display can be obtained in both +
and — positions of A SLOPE switch for AC, LF REJ,
and DC positions of A COUPLING switch.
e. CHECK—No stable display can be obtained in HF REJ
position of A COUPLING switch.
f. Set HORIZ DISPLAY to B DLY'D.
g. CHECK—Stable display can be obtained in both +
and — positions of B SLOPE switch for AC, LF REj,
and DC positions of B COUPLING switch.
h. CHECK—No stable display can be obtained in HF REJ
position of B COUPLING switch.
3-8
REV FEB 1983
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