AM-48 Test Set (18-0015) Self-Test Instructions
0015-S05
-1
CC. Press [ETR/NEXT] again. This enters the new frequency STEP,
300 Hz.
DD. Press [ETR/NEXT] to go to the NEXT display (RATE, i.e. duration
of each frequency in the sweep).
EE. Display now reads “RATE 1.0”.
FF. Press [∆] momentarily repeatedly and notice the time
increase
0.1 sec at a time: 1.1, 1.2, 1.3. ….sec. Hold [∆] down
continuously and notice that the time starts increasing in steps of
1.0 sec; 2.0, 3.0, 4.0, ….sec. Press momentarily and/or hold
down [∇] and note that the time
decreases in steps of 0.1 and/or
1.0 sec. Use [∆] and [∇] as necessary to step the time (rate) to
2.0 sec.
GG. Display now reads “RATE 2.0”.
HH. Press [ETR/NEXT] to return to the original display. Instead of the
sweep that was seen in Step D., there is now a new sweep that
reflects the settings just entered. Display now reads “-05.0 DBM”
and shows frequencies which start at “400 HZ” and increase in
300 Hz steps every 2 seconds up to 1600 Hz, at which time the
sweep starts again at 400 Hz.
Note: The new parameter settings will remain until (1) they are
changed, or (2) power is turned off. If power is turned off,
the settings will revert back to the default settings as shown
in Figure 5-8.
This completes the self test. See Section 7 for complete operating
instructions and details of other tests and parameter settings not
covered here.
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