Marconi Instruments TF 2337A Instruction Manual page 2

Change No.C
EQUIPMENT
...
TF
2337A
title
AUTOMATIC DISTORTION
METER
CODE No
52337-9
iON
,
SER.
Nos
Current production
v
ACCOMPANYING
,
DOCUMENTS
...
None
^lANUAL
CHANGE
'
The a.c. power connector and
fuseholder types have
been changed and
a
line voltage selector control added on tne rear panel. Also
a
different
type of
integrated circuit
has
been fitted in position QA
105
in the meterin
circuit.
Changes to the instruction manual are
as
follows:-
Chap.2, page
8
Change para. 2.2.1 to
read:^
2.2.1
MAINS VOLTAGE SETTING
To adjust
the
mains voltage setting, determine from the label on
the
rear panel
the
line voltage range required
i.e. A, B, C
or D and
select accordingly with
the
adjacent line voltage selector control.
Check also from the line
voltage label that the fuse
fitted
is
of the
correct rating.
REAR PANEL CONTROLS AND CONNECTORS
L '/oi
S«lec
tor
\
0
-I..
...Q
c
-J-
-
La.
F.. o'"
n
.
o„
Line Vo»a9e
(&0/60K2)
Kum
90-II0V
'
0 ZA
i:j
i0a-12'V
c
I9L-2J'V
20'-290V
Oct. 80
Page