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the knob of the switch; the red mark on the shaft
appears.
(6)
SWEEP RANGE (Hz)
This is the sweep frequency selector switch and is
used with S W E E P V A R / H . G A I N ( 1 0 ) . It adjusts the
number of peaks of waveform displayed on C R T to
the number suitable for observation.
position, the amplified horizontal signal is connected
to H. I N P U T (8) through S W E E P V A R / H . G A I N
(10).
(7)
G N D
This is the earth terminal for horizontal input signal.
(8)
H. INPUT
This is the external input signal terminal for the
horizontal amplifier.
POSITION
(9)
This is the horizontal position adjuster. It shifts the
position of the waveform on C R T to left or right. A
clockwise turn will shift the waveform to right.
(10)
SWEEP V A R / H . G A I N
This is used to fine adjust sweep frequencies and the
gain of
external horizontal
R A N G E (6) is set to the internal sweep range (10 ~
100kHz), it functions as a sweep frequency
adjuster to adjust the number of peaks of waveform
on C R T . When S W E E P R A N G E (6) is set to E X T
position, it adjusts the gain of the signal connected to
H. I N P U T ( 8 ) , changing the amplitude in the horizon-
tal direction displayed on C R T . It should be noted
that the frequency response of the horizontal ampli-
fier varies according to the rotation of the knob.
(11) V . GAIN
This is the vertical gain control. It is used with V E R T
A T T (4) to adjust the size of amplitude of waveform
on C R T . When the amplitude cannot be properly
adjusted with this knob alone, change the position of
V E R T A T T ( 4 ) .
(12)
^
POSITION
This is the vertical position adjuster.
shift the position of waveform on C R T . A clockwise
turn will shift the waveform upward.
SIDE PANEL
(13)
DC B A L
This
is the D C balance control
amplifier.
It should be adjusted so that the bright
line does not shift when the knob of V . G A I N
(11) is turned.
REAR PANEL
(14)
A t the E X T
(15)
(16)
(17) C L A M P I N G S C R E W F O R T H E C R T BAND
signal. When S W E E P
fine
It is used to
for
the vertical
I N T E N S I T Y
T h i s is the bright line control. It is used to adjust the
intensity of light of waveform on C R T . A clockwise
turn will increase the light intensity.
F O C U S
This is the focus control to obtain the sharpest image
of waveform on C R T .
C L A M P I N G S C R E W F O R T H E C R T
5
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