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Hitachi 505 Operation Manual page 32

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app"oxjmately
10 njnutes
after
the power has been switched on.
(a)
Multi-Range Voltneter
(in Control ?anel cT-25I)
The nr:lti-range
voltmeter
is pernanently
wired into
various cir-
cuits
of the 505 to facilitate
rapid readout of eertain
voltages by
automatic switching
synehronized to MODE control-.
The voltmeter
has
a RANCTE swi-tch, thus pe:mitting
close to fl:1l
scale readouts for maxi-
ntan accuracy.
The ranges are O.1r-O;1,
f,
1Or 30, 100 a:rd 3OO volts
(in
addition
to an off position).
In the ENG state of the ?re-Patch Panel driving
switch,
the RANGE
switch is connected to the ?re*?atch Panel Vlil terminati-on
(Figure
2.3-2)
pennitting
this
point to be bottle-plugged
to the SSL output
or, as in the case of the digital
voltmeter,
monltoring
voltages
at
nost Pre-Patch Panel t,eruinations
via a patch cord.
Following
is a list
of the voltmeter
coru:ections in eaeh mode of
operation with a brief
descripti-on.
[...
r
r
r
r
t
r
r
r
r
t
r
t
h
!
MODE
Bc (ors)
.L11 nodes
e:ccept BC
NfiSCRI?TTON
Corurects the amplifier
output'addressed
bnr the
selector
systen to the meter to facilitate
checking xtd,/or ad justing.
The anplifier
balance, notwithstanding
the con-
nection
on the ?re-?atch
?ane1.
Connects the neter to the VM. Pre-?atch termina-
tion,
- 2 6 -

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