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2.
Control Knobs, Terminals and Shafts
Power
Ground
Oscillator
Stop
Frequency
Deviation
Indicating Meter
Compressor
Speed
10 000
C/S
Ref.
Signal
Frequency
Scale
Alignment
Load
Compressor
Voltage
162263
Fig. 2.1. Beat Frequency Oscillator Type 1013.
Power:
LINE FREQUENCY
BEAT FOURTH
HARMONIC:
When switched to "On" the meter scale and fre-
quency scales will be illuminated.
Pushbutton, when pressed and held in, a beat
be-
tween power supply frequency and output fre-
quency of the B.F.O. can be observed on the
in-
11
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