BK Precision 4017A Manual De Instrucciones página 9

17. DUTY CYCLE Switch. When engaged, enables operation
of DUTY CYCLE control (10).
18. SWEEP
TIME Control.
determines amount of time to sweep from the start frequency
to the stop frequency.
19. FINE FREQUENCY Control. Vernier adjustment of the
output frequency for ease of setting frequency.
20. COARSE FREQUENCY Control. Coarse adjustment of
the output frequency from 0.1 to 1 times the selected range.
21. COUNTER DISPLAY. Displays frequency of internally
generated waveform.
CONTROLS AND INDICATORS
In sweep mode, rotation
Figure 1. Model 4017A Front Panel.
22. GATE LED. Indicates when the frequency counter
display is updated. When the 100K through 10M ranges
are selected, the LED will flash 10 times per second
(every 0.1 seconds). When the 10 through 10K ranges are
selected, the LED will flash once every second and when
the 1 range is selected, the LED will flash every 10
seconds. As the LED turns off, the display is updated.
23. Hz and KHz LED. Indicates whether the counter is
reading in Hz or kHz.
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