-
i
i
i
i
f t
*
)
d. Check the remaining TIME/DIV selections for ± 5% or
less error over the center eight divisions.
e. Set the TIME/DIV to AUTO, FREQ SPAN/DIV to
MAX, and activate AUTO RESOLUTION.
Table 3-11
RESOLUTION AND SWEEP RATE
AS A FUNCTION OF SPAN IN THE AUTO MODE
Calibration—492/492P Service Vol. 1 (SN B030000 & up)
Adjustment Procedure
f. Check the Time/Div versus Resolution Bandwidth as
per Table 3-11 for the different FREQ SPAN/DIV settings.
g. Return Triggering to FREE RUN and remove the time-
mark generator markers to the 492/492P. Reposition the
trace if moved in part c.
Table 3-11 (cont)
FREQ SPAN/DIV
RESOLUTION TIME/DIV
FREQ SPAN/DIV
RESOLUTION
TIME/DIV
MAX
1 MHz
50 ms 200 kHz
10 kHz
50 ms
200 MHz
1 MHz
2 0 ms 100 kHz
10 kHz
2 0 ms
100 MHz
1 MHz
1 0 ms 50 kHz
10 kHz
1 0 ms
50 MHz
1 MHz
10 ms
20 kHz
10 kHz
1 0 ms
20 MHz
1 MHz
1 0 ms
10 kHz
1 kHz
50 ms
10 MHz
1 MHz
10 ms
OPTION 03 ONLY
5 MHz
1 MHz 1 0 ms 5 kHz
1 kHz
2 0 ms
2 MHz 100 kHz 1 0 ms
2 kHz
1 kHz 10 ms
1 MHz
100 kHz 1 0 ms 1 kHz
100 Hz
,5 s
500 kHz
100 kHz
1 0 ms 500 Hz
100 Hz
1 s
■
■
Fig. 3-29. Location of timing adjustment R5105 and TP 1061 on Sweep board.
REV JUN 1983
3-49
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