Wavetek 183 Manual page 2

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Calibration
Instructions
The foj-lowing
paraEraphs
provide
complete
seguential
ca}ibration
piocecures f6r-Mode:
ie3,
184 and
185.
Each
calibration
adjust-
ient is
independent,
of its following adjustmelt
settitg";
an
.ej""tment,
irowever, hdy
be
dependent
on
previous
adjustment
setting
lla:n
-f
rrcuit
Board
Calibrati.on
ire
i:-li.:.nary Procedures
Before
connecting
the
unit to
an ac sourcer
set the front
panel-
cor.trcls as follows:
rfi,EQ
(Hz)
Frequency Dial
(s)
FREQ (tiz
)
\IERNIER,
SY}TMETRY
GEN
ITIODE
tl:AIIEfORI\n
.ej{pt:TUDq
(dB}
;*,1FI,ITTJDE VARIABLE
STEET
M*DE
ST.ME?
TII{E
B$CTE:
If the unit.
l:es
calibration
Pots
Fower SupplY Regulatiot:
Eef
ore con$ect,ing t,i:e
un,it to
an
voltage t*
r
Inake sl-1re
the
l" l-
5
/ 230
x10K
5
Itlax.
CW (CAt)
NORMAT
COITT
(I,
rN.
Mode1
18
5
)
ir
(no
of f
set)
-24
i"
Max.
CTV
SI{EEP
START
om
(Mode1 185)
,
100s (l{odel
183 and
L84)
never
been
caLibrated
before, set all'
to center of rotation-
ac source,
check
tl:e
ac
and
HI
/fC
switches
are
,i
s*td-
*6
l-ane
ea& *$
ULe v
U$ \,
the
c5rr4r*esition
as
shown
in the following: