![background image](http://html.mh-extra.com/html/tektronix/570/570_manual_1077533132.webp)
16.
ADJUST MIN.
NO.
CURVES
TO
5
CURVES AND CHECK MAXIMUM NUMBER.
Turn
the
control full left
(
ccw
)
and adjust the
MIN. NO.
CURVES
control for four
s
t
e
ps
(5
dots).
Turn t
h
e
control
right
(cw)
and
check
to
see
that
there
are at least
12
s t
e
p
s
before the
generator
drops
out.
With
the
in
the full
right position,
check
the
SINGLE FAMILY b
u
tto
n
f or
a
Single
display
of steps.
17.
ADJUST
R350
AND
CHECK ALL HEATER
SWITCH POSITIONS.
P
l
ug
an
accurate ac voltmeter
into
the HTR
connector
on
the Test Panel
and
adjust
the VARIABLE
HEATER
control
Tor
an
output
v
olt
a
g
e
of
exactly
6.3v. Set
the
INDICATION
control
to HTR and adjust
R350
(mounted
on
the
INDICATION
for
a
reading of
on
the
meter. Connect
the
P
jack
on
the Test
Panel
to
�
and p
o
s
iti
o
n
the spot
under the
left
hand
graticule
line.
Now connect
the P
jack
to
the
HTR
jack
and
o
b
se
rv
e
a
horizontal
d
e
n
e
ction
.
Check
throUgh the entire
range
of
the
HEATER
switch
keeping
th
e
VARIABLE
control
set
to
100%
(±5%)
at all times,
or
set
6.3 VAC
for
8.9
CM
Deflection
and
use
thi
s as a
standard.
HEATER
(
volts
)
Deflections
(divisions)
1.25
.2
of
right
hand
half of
trace.
8.8
18.
:2
2.0
�
2.35
:;z
4.2
1
4.7
I
g
I
.d.
I
-
7.5
2
2
18.9
5
5'
!2
2
50
10
117
20
CHECK
PLATE
SWEEP
PEAK VOLTS SWITCH.
9.9
5.6
6.6
1.0
8.9
5.9
6.6
1.0
8.9
5.3
8.9
5.3
1.0
9.9
1.0
8.3
With the
HORIZONTAL
control
at
.5
and PLATE and.
the
SERIES
LOAD
at
check all
positions
of
the
PEAK
VOLTS
switch for
the
proper hori
zontal denection.
.5
r
2
2
10
20
5'0
50
PEAK
VOLTS
Deflection
10 divisions
10
10
10
10
10
6
10
January, 1959
.570-4
Summary of Contents for 570
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