8. DUTY (push)/INV (pull)
V aries duty cycle
of
signal from 50% (1:
1)
in Cal. position to about 10% (10: 1
).
Pull knob to
invert duty cycle. Affects both signal outputs at TTL/CMOS connector
20
and Output connector
22.
9.
TIL
(push)/CMOS (pull)
Adjusts output leve! on TTL/CMOS connec tor
20. Push in for fixed TTL leve! pulse. Pull out
for adjustable 5-15V
CMOS leve! pulse.
10. DC OFFSET ADJUST
Applies an adjustable positive or negative DC offset voltage
to
the signal on Output connec tor
22. Pull
to ad just offset.
11
. FUNCTION Selector
Selects square, triangle, or sine wave output at connec tor 22. TTL/CMOS output connec tor
20 not affected.
12
. AMPLITUDE (push)/-20dB ATTN (pull)
Adjusts output amplitude on Output connector 22. Pull for
-20 dB (10%
of
original output)
attenuation.
13. FREQUENCY (push)/SWEEP (pull)
Sets desired frequency of signal between
0.2 and 2 times the Frequency Range value selected.
Pull for sweep mode.
14. SWEEP TIME LINEAR (push)/LOG (pull)
Adjusts repetition rate
of
sweep in a linear mode (i.e. number
of
sweeps/second).
Pull for log-type sweep.
9
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