ARB
(cont)
EXT TRIG
@
Z
Axis
Input
CH
500
Feedthru
Terminations
(Optional)
t
~
t
....
L L L L
LLLLLL
[l
L L
LILLLLLL
[GL
L~
L
II
G
~
G v
rI
Trigger
on
the
rising edge .
The potarfty
3314A
's
Z
Axis
output
Is set at the
factory
to be compatible
with
OSCm08CO~S
that
Intenslfy their display
when
a
negat
ille lIol1ege Is applied to
thslr
Z Axis Input . The Service Mllnual has Instructions for
SERVICE
TRAINED personnel
who
lira eware of the potential hll2ards inside the
3314A
to chanoe
the
poIarltv
ofthe
3314A's
Z Axis output. Under no clrcumlltllOCN
should lilly
ope1l1tor
romoVlI
ony IlC1I1WS,
COVMS,
shltlkb
or
ott\«
3314A
COI11j)On8/\ts.
Figure
3.
How
To
Connect
An
Oscilloscope
WARNING
I
The Z
Axis
polarity
selection
switch
is
located
inside the
3314A
where
dangerous voltages, capable
of
causing death, are
pre-
sent.
Refer
switch
position
selection to service-trained
person-
nel
who
are
aware
of
the dangers
involved
and
familiar
with
safe
installation
practices.
45