Section
IV
Feature Description
For features described in this section, refer to Figure 4.1. We HIGHLY RECOMMEND that
you become familiar with the controls and indicators described below before operating the instrument.
This manual assumes the user is reasonably familiar with function
ge
nerators, frequency counters,
and sweep generators.
1.
GATE
Indicator flashes when power is on, showing when frequency counter is making a measurement.
2.
OVER
Indicator lights to show over-range condition,
or
when a signal applied to the Externat Counter
input exceeds the counter's measurement range.
3.
COUNTER DISPLA Y
5 digit LED display shows frequency value.
4.
kHz
Indicator lights
to
show Counter Display reading is in kilohertz units.
5. MHz
Indicator lights
to
show Counter Display reading is in megahertz units.
6. PWR
This switch controls
AC
power to the instrument.
7. FREQUENCY RANGE Selector and GATE TIME Selector
Pushing one button at a time selects the desired frequency from the function generator, in
decades, AND selects the counter gate time value, from
10
sec to 0.01 sec intervals.
7
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