Tektronix 7L5 Instruction Manual page 14

Operating Instructlons-7l5 Operators
Repositions frequency dot
b<ltween grltic:u" c:ctnter
and left edg •.
Illuminates wherHtwr the
RESOLUTION , TIME/ OIV
and FREOUENCY SPAN/
OIV controll . r. lilt to
mutually incompootible
positions.
Attenuates input signal.
Can r. duc:e 1M di.tortion
caused by .xc:ctuive input
a mplitude.
Veriab" r.f .. enQl
adjustment.
0..8
dB .
Two position r.ferenc:e
"veladjuJ1. Used to lilt
the •• letive amplitud a of
input signa l with r.5PKI
to referenQl .....
1.
Calibrator output sigrHtt.
500 kHz
"'lI1
@-40dBV.
3-4
7 L5 m.infum ......
s.
I.IIIc:h.
Tunes the dot frlquency
o .. r the frlquency rang e.
.•.
,
.....
Ii
Selel;:ts coa ... (10 kHd or
firHt (250 Hzl incrementation
for f'lquency COntrol.
Vert;Cllamplifi. mode
lllleet pushbuttons.
Trigg ... Mod.
lII"ct
push -
~~t~~~~
__
~~~~~~
____
;b; " ~'.';O;,"~~;
..
s..;;;:
Seetion
2
for
output signal to sla .. an
.xterna l d ..... c:e (Z
5!!:
5 knl .
T;i",.
",",.~
llllect push-
buttons-See Section
2
for
' xPlanation .
Compensates for lIIIin
diff.enOlll between mIIin-
fr.me oscilloscopel.
V.<oii;"
0"',,",
Ilgnal for
.xternel d • ..,icelluc:h as r. -
corder (Z £'!! 1 k n l.
Fig. 3-2A. 7L5 fronl panel controls end connectors.
@
•