Tektronix 2213 - Page 71

A dju stme n t Pr ocedu r e-2213
Service
b .
Connect α levele d si n e-wave ge
n
erato
r via α 50 Ω
cable
a n d α 50 Ω terminatio n to t
h
e
C H 1 O R Χ i np ut
connector
.
c .
A dj ust t h e gen erato r out p ut for α
4- d ivisio n , 50kH z
d isplay .
d
.
AD JU ST- B ot h t h e Astig a dju stment
( R 887) an d t h e
AU TO F OC U S con trol fo r t h e b est
foc u sed dis p lay ove r t h e
ra n ge of t he AU TO I NT EN SITY co
n trol .
f . AD JU ST-Auto Focus Ad j ( R 875) fo r t h e best
focused d is p lay . Do not c
h
ange t
h
e
fro n t p
a
n
el
A
U TO
F
OC US
cont r ol .
5 . C h ec k /Ad ju st T r
ace
Alig n
me
n
t (T
R AC E
R OTATIO N )
5-6
e . Set t h e Α SE C/DI V switc h to
5
μs .
g . Disconnect t he test set up .
α . Set t he C ha nn el 1 AC-G N D-DC switc h to G N D .
b . C
HE
C
K -T h
at
t h
e
trace is p arallel to t h e center h ori-
zontal gr atic u le line .
c . AD JU ST-T
h
e
f r
o
n
t- pa
n
el
TR
AC
E R OTATIO N
con-
trol to
align
t
h
e
t r
ace
wit h t he center h
o
r izo n tal g r
aticule
li n
e .
6 .
A
dj
ust
Geometry
( R 870)
α . Set :
C
H 1 V
O
L TS/DI V 50 m V
C
h
a
n nel 1 AC-G N D-DC

DC
b . Co nn ect 50 Ει s time mar k e r s fr om t he time-mar k
gen erator via α 50 Ω cable and 50 Ω termination to t h e CH 1
ORΧ i np ut conn ecto r .
ε . Ad j ust t he ΑA N DΒS E C/DI VV a r ia b le control fo r 5
mar k ers p er division .
d . AD JU ST-Geom ( R 870) for mi n im u m c u rvat u re of
t he mar ke r s across t h e gratic u le area .
e . Disconnect t
h
e test set up .
REV N O V 1982