Tektronix 576 - Page 12

O p erati n g Inst ru ctions-Type 576
DIS PL AY O
FF
S
E
T
Selector Switch
C EN T ERL IN
E
VA LUE Switch
H O R IZO
N TA L
VO L TS/DI V
Switch
2- 4
EMITTER-Operation of i n stru-
ment wit h M OD E switc h set to
LE A K AG E ( E M ITT ER C UR-
RENT) . V ertical d is p lay re p rese n ts
emitte r cu rrent . U se orange units to
determine vertical d eflection facto r .
ST EP G EN -Ste ps in d icating Step
Generator output a r e dis p laye d
vertically . A MPL IT UD E switc h set-
ting
per
d ivision
dete r mines ve r tical
d eflection factor .
Allows
selection
of d
is p
lay
offset or
display offset an d magnification
.
N O R M (O FF )-Disp lay offset is not
ope r able .
H O R IZ Χ 1-Allows h orizontal d is-
play to be offset u sing calib r ate d
C EN T ERL I NE V A LUE switc h .
VER TΧ 1-Allows ; vertical d is p lay
to be offset u sing calib r ated C
EN-
T ERL I
NE V A LUE switc h .
Η Ο R Ι Ζ

X10-Horizontal

dis p lay
mag n ified by 10 times . Allows h ori-
zon tal d isplay to be offset usi ng
calibrated C EN T ERL I NE VA LUE
switc h .
VER T X10-Vertical d is p lay magni-
fie d by 10 times . Allows ve r tical
d is p lay to be offset using calibrate d
C EN T ERL I- NE V A LUE switc h .
(Clea r p lastic flange with n umbers on
it) P rovi d es calibrated offset of dis-
play .
Χ
1
(VER T o r H O R IZ)- N umbe r οη
C EN T ERL I NE
V A LUE switc h
a pp ea r ing in bl u
e
win d ow r e p
re-
sents number of divisions centerline
of d is p lay is offset eit h
er
vertically
o r h orizontally
from
zero offset
li ne .
Χ 10 (VER T or H O R IZ)- N umber
on C EN T ERL I NE VA LUE switc h
a pp eari ng in bl ue window multi-
p lie d by 10 represents nu m b er of
d ivisio n s ce n terline of d is p lay is off-
set eit h er vertically or h orizontally
from zero offset
line .
Selects t he h orizontal d eflectio n factor
of d is p lay .
CO LLE CTO R -
H orizontal d is p lay
re p r esen ts collector voltage to
g r o un d .
B AS E - Ho r izontal d is p lay re p
re-
sents b ase voltage to g r oun d .
ST EP G EN -Ste p s in d icati ng Step
Gene r ato r outp ut a re d is p laye d
ho r izo n tally . A MPL IT U DE switc h
setting p er d ivisio n dete r min es h o r i-
Z
ER O B utton
CA L Bu tton
DIS PL AY I NVER T Inverts d is p lay vertically and
h
orizon-
B utton

tally abo u t center of C
R
T .
P OSITIO N
Switch

Pr ovi d es coarse p ositio n ing of h orizon-
( H orizontal)

tal d is p lay .
F I NE P OSITIO N

P rovi d es fine p ositioning of h orizo n tal
d is p lay .
Control
( H orizo n tal)
P OSITIO N Switch

P rovi d es fi ne
( V ertical) d is p lay .
zo
n tal d eflectio n
factor .
Pr ovi d es α
ze
r
o reference
for
t h e
d is-
p
lay .
N ORM-Wh en DIS PL AY O FF S E T
selector switc h is set to N O RM
(OFF), ZERO button p rovi d es
p oint on CRT of ze r o vertical and
h orizontal deflection for a d j usting
positio n controls .
DIS PL AY O FF SE T- Wh
en DIS-
PL AY O FF SET Selector switc h is
in one of fo u r d is p lay offset p osi-
tions, Z ER O button p r ovi d es ref-
erence p oint on C R T w h ic h must
be positione d to ve r tical ce n te r line
( h orizo n tal offset) or to h orizontal
centerli n e (vertical offset) to i n sure
t h at
t
he
C EN T ERL I NE V A LUE
switc h setting
a pp
lies
to ce n te r line .
(S
h oul
d always be ch ec ked wit h
DIS PL AY
O
FF
S
E T
Selector switc h
is
set
to
M
AG N I F I ER .)
P rovi d es signal w h ic h sh o u
ld ca
u se
10
d ivisions of ve r tical an d h o r izontal d e-
flection for c h ec k i ng calib r
atio n of
ve r tical and h orizontal
am p lifiers .
N O R M -Wh e
n DIS PL AY O FF SET
selector
switc h is set to N O RM
(O FF ), CA L button p
r ovi d es p oint
on
C R T of 10 d ivisio
n s of vertical
an d h orizontal
d eflection .
DIS PL AY O FF SE T- W hen DIS-
PL AY O FF SET Selector switc h is
i n one of fou r dis p lay offset p osi-
tions, CA L button p rovides signal
w h ic h
s
h
oul d
cause refe
r ence
p
oi n t
on CRT to a pp ear on vertical cen-
terline ( h orizontal offset)
or on
h orizontal ce n terline (vertical off-
set), assuming zero r efe r ence p oint
was p rop er ly a d ju ste d . (C h ec k
s h oul d be p erfo r me d with DIS-
PL AY O FF SE T Selecto r switc h set
to MAG N I F I ER .)
p ositioni ng of ve r tical