L
6
Displaying Signals
L-
C
Limiting Bandwidth
High-frequency noise from extraneous sources can sometimes interfere with
u
C
a signal display. Push in the BW LIMIT button on the front panel to limit the
BW
LIMIT
vertical response of the scope to frequencies below
20
MHz. A "BWC' read-
E?
out will also appear on the display.
L'
C
Modulating the
The NON-STORE intensity may be modulated with an external signal ap-
L-
Display Intensity
plied to the External Z-Axis connection (Figure
3-23)
located on the rear
panel of the oscilloscope. Certain specifications of the instrument must be
LI
observed. Refer to the 2-Axis section of Specification, Appendix B.
L-
\/
/
E?
CAUTION
LI
TO AVOID ELECTRIC
SHOCK. THE POWER
rn
CORD PROTECTIVE
LZ
GROUNDING CONDUCTOR
MUST BE CONNECTED
TO GROUND.
C
EXT
Z
AXIS INPUT
10
Ka.
POSITIVE GOING
rn
INPUT DECREASES
LZ
INTENSITY.
5
VOLTS P-P CAUSES
NOTICEABLE
MODULA-
c
TlON AT NORMAL
INTENSITY.
C
LI
L-
s
30
V PEAK
C
I
c
Figure 3-23: External Z-Axis Connection
C
-
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