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H O R I Z O N T A L A X I S C O N T R O L S
®
HORIZ D I S P L A Y S w i t c h a s s e m b l y
U s e d to select the horizontal display mode.
indicate w h a t mode has been selected.
A:
Only A s w e e p is operative with the B s w e e p
dormant.
A L T :
A s w e e p alternates with the B sweep. For
this mode of operation, the B s w e e p a p -
pears a s an intensified section on the A
s w e e p .
A - I N T - B : Duration of the B s w e e p appears a s an i n -
tensified section on the A
B D L Y ' D : Only delayed B s w e e p is operative.
D U A L :
A s w e e p and B s w e e p operate
dently.
For this mode the t w o s w e e p s are
triggered by the A trigger source and B trig-
ger source respectively.
X - Y :
Channel 1 becomes the Y - a x i s and channel
2 becomes the X - a x i s for X - Y operation.
T h e settings of the vertical MODE and T R I G
M O D E s w i t c h e s have no effect.
< D A S W E E P T I M E / D I V , B S W E E P T I M E / D I V C o n -
trols
A S W E E P T I M E / D I V :
Horizontal coarse A s w e e p time selector.
1 0
F i g . 3
Selects calibrated s w e e p times of 2 0 n s / d i v to 0 . 5
L E D ' s
s / d i v in 2 3 steps w h e n A V A R I A B L E control @
to C A L position (fully clockwise).
B S W E E P T I M E / D I V ;
Horizontal coarse B s w e e p time selector.
Selects s w e e p times of 2 0 ns/div to 5 0 m s / d i v in 2 0
steps. B s w e e p time selector is constructed to make
it possible to s e t the B s w e e p time slower than A
s w e e p time. No fine adjustment is available for the B
s w e e p time.
S W G G p.
indepen-
©
A V A R I A B L E , P U L L C H O P F. S E L E C T Controls
A V A R I A B L E ;
Fine A s w e e p time adjustment.
(CAL) position, the A s w e e p time is calibrated.
P U L L C H O P F. S E L E C T
T h e chopping frequency may be changed by pulling
this control outward. T h i s is useful in c a s e s where the
input signal is triggered to the chopping frequency.
<§) U N C A L Lamp
G r o w s w h e n the A V A R I A B L E control is not set to the
C A L position. Reminds user that the A s w e e p time is
not calibrated.
is set
In the fully c l o c k w i s e
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