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Before turning the scope on, set the front panel controls as
follows, referring to the section on front panel in this m a n -
ual.
[1] NORMAL SWEEP DISPLAY OPERATION
1. Turn the P O W E R control ©
supply will be turned on a n d the pilot lamp will light
with the other L E D ' s for the previously set vertical
M O D E © , HORIZ D I S P L A Y <§> and T R I G M O D E
also lighting.
S e t these modes as follows:
Vertical M O D E ©
HORIZ D I S P L A Y <§>
T R I G M O D E ©
2. T h e trace will appear in the center of the C R T display
and can be adjusted by the channel 1 ^ POSITION
and •
POSITION ©
T E N S I T Y ® and, if necessary, the F O C U S © for ease
of observation.
3. Vertical M O D E
Apply an input signal to channel 1 INPUT jack © and
adjust V O L T S / D I V © for a suitable size display of the
waveform. If the waveform does not appear in the dis-
play, use the B E A M FIND ©
adjust the V O L T S / D I V and ^ POSITION to bring the
waveform comfortably into the center of the C R T dis-
play.
Operation w i t h a signal applied to the channel 2 INPUT
j a c k ® and the vertical M O D E set to C H 2 is similar to
the
above
procedure.
algebraic sum of channel 1 + channel 2 is displayed a s a
single trace. If the C H 2 INV s w i t c h has been pressed,
14
O P E R A T I O N
c l o c k w i s e - the power
: C H 1
: A
: A U T O
controls. Next, adjust the A I N -
to locate the waveform
In the A D D
mode
Fig. 5
the algebraic difference of the t w o waveforms, channel
1
-
channel
trace. If both channels are set to the s a m e V O L T S / D I V ,
the
difference
V O L T S / D I V on the CRT. D U A L mode allows simultan-
©
eous observation of channel 1 and channel 2 while
Q U A D provides viewing of channel 1 through channel 4
simultaneously.
In the D U A L or Q U A D mode one of either C H O P or A L T
mode applies and should be selected. In the A L T mode,
channel 1 and channel 2 or channel 1 through channel
4 are displayed in an alternating fashion.
Note that in the C H O P mode of operation w i t h the
S O U R C E (§) set to V.MODE, the trigger source is the
©
chopping signal itself, making waveform
impossible.
U s e A L T mode instead in s u c h cases.
S O U R C E must be set to one of CH 1,CH 2 or CH 3 .
4 . After setting t h e S O U R C E s w i t c h , adjust t h e L E V E L /
S L O P E control @ .
bably be unsynchronized. Refer to T R I G G E R I N G proce-
dure below for adjusting synchronization and s w e e p
speed to obtain a stable display showing the desired
number of waveform.
T R I G G E R I N G
T h e input signal must be properly triggered for stable
waveform observation.
signal internally to create a trigger or w i t h an externally
the
provided signal of fixed timing relationship to the observed
signal, applying s u c h a signal to the E X T T R I G jack ® .
2
displayed
a s
waveform
c a n be read
T h e display on the screen will pro-
Triggering is possible the input
a
single
directly in
observation
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