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3.1,
OPERATING INSTRUCTIONS
CONTROLS AND SOCKETS (FIG. 2)
Legend
Position
POWER
251
OON
@ OFF
WAVE FORM
253/4 to
we
Dei
DC
253/9
FREQUENCY
Hz
253/10 to
x.1 x1 x10 x100 x1K
x10K
253/16
x100K
1...20
648
(Linear scale)
FREQ OFFSET
647
DUTY CYCLE
252/5
DUTY CYCLE
673
ATTENUATION
253/1 to
10dB
20dB
30dB
253/3
821
3 Vpp to 30 Vpp
822
-10 V to +10 V
PUSH
FOR ZERO
822
875
TTL OUT
874
600 22/50 2
872
873
871
START
FREQ
646
CHECK IN STD BY
13
Function
mains switch;
white dot for ON position
pushbuttons for the required waveform:
sinewave, triangular-, square-wave, positive
or negative square waves, DC without a.c. portion
pushbuttons for selecting the frequency range
0,1 - 2 Hz, 1 Hz - 20 Hz, 10 Hz - 200 Hz,
100 Hz - 2 KHz, 1 KHz - 20 KHz, 10 KHz - 200 KHz,
100 KHz - 2 MHz
dial for continuous coarse frequency adjustment
knob for continuous fine frequency adjustment
pushbutton to switch on the duty cycle adjustment
knob for duty cycle adjustment
pushbuttons for setting the fixed attenuation;
40 dB to 60 dB by combination of pushbuttons
knob for continuous amplitude adjustment of the
output signal.
knob for continuous d.c. voltage adjustment
pull-switch for adding the d.c. voltage to the
output signal.
BNC socket for the output signal
BNC socket for TTL output signal (at the rear side)
pushbutton for selecting the impedance of the main
output.
control signal to control pen writing in case of
plotting. This BNC socket is positioned at the rear
side.
BNC socket at the rear side; input of external sweep
voltage
BNC socket at the rear side; output of the sweep
voltage during internal sweep
knob for adjusting the start-frequency
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