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3
SECTION
OPERATiON
3.1
CONTROLS AND CONNECTORS
The generator front panel controls and connections shown
in figure 3-1 are keyed by circled numbers to the following
descriptions.
3.1.1
Power/Frequency Controls
(T)
FREQMULT/PWR OFF
Power is turned on when frequency range is selected
at the FREQ MULT (Hz) control. The ranges
multiplied by frequency dial
settings deter
mine output frequency. The frequency dial index
lights when power is turned on.
(2)
Frequency Dial
Frequency dial settings multiplied by frequency
range
determine output frequency.
VCG IN Connector
Voltage controlled generator input (VCG IN) dc
excursions proportionally control frequency within
a selected range. Positive inputs increase frequencies
set by the frequency dial and range control; nega
tive inputs decrease the frequencies.
GCV OUT Connector
Generator controlled voltage output (GCV OUT)
dc excursions of OV to about 2V proportionally
represent output frequency within a given range.
3.1.2
Amplitude Controls
@
DC OFFSET
Rotating the DC OFFSET control clockwise offsets
dc center reference of waveform positive; when
POWER/FREQUENCY
FREQ
UlTiH/t
SWEEP WiOTH
SWEEP
AMPLITUDE
©
@
®
SWEEP/FUNCTION
a'VEEPRATE
DC Of
\
^ iiv
F
\
/
OFF
\GCV
jTSiNeBP
PULSE OUT
OUT
/ OUT
(TTLI
I
ENERATt
DEL 180
FUNCTIONS
Figure 3-1. Model 180 Controls and Connectors
3-1
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