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Specifications
1780R-Series Service Manual
1–9
Table 1–4: Waveform Monitor Horizontal Deflection System (Cont.)
Characteristic
Performance
Check Step
Supplemental InformationPerformance Requirement
Sweep Linearity
1 Line (5 ms/Div.) ±1%.
34
2 Line (10 ms/Div.) ±1%.
3 Line (15 ms/Div.) ±1%.
1-Field Sweep ±0.5 division.
2-Field Sweep ±0.5 division.
3-Field Sweep ±0.5 division.
Slow Sweep ±5% of full screen over the length
of the sweep.
Magnified Sweep Accuracy
X5 (1 ms/Div.) ±1%.
A
ppli
es
to th
e
c
e
nt
er
10
d
ivi
s
ion
s
f m f ed s ee . des
34
X10 (0.5 ms/Div.) ±2%.
o
f
un
m
agni
f
i
ed
s
w
ee
p
.
Exclu
des
th
e
f
i
rs
t 2
d
ivi
s
ion
s
o
f
th
e
m
agni
-
X20 (0.25 ms/Div.) ±3%.
th
e
f
i
rs
t 2
d
ivi
s
ion
s
o
f
th
e
m
agni
-
fied display.
X25 (0.2 ms/Div.) ±3%.
X50 (0.1 ms/Div.) ±3%.
X100 (50 ns/Div.) ±5%.
Magnified Sweep Linearity
X5 (1 ms/Div.) ±1 minor division (2%).
A
ppli
es
to th
e
c
e
nt
er
10
d
ivi
s
ion
s
f m f ed s ee . des
34
X10 (0.5 ms/Div.) ±1 minor division (2%).
o
f
un
m
agni
f
i
ed
s
w
ee
p
.
Exclu
des
th
e
f
i
rs
t 2
d
ivi
s
ion
s
o
f
th
e
m
agni
-
X20 (0.25 ms/Div.) ±1 minor division (2%).
th
e
f
i
rs
t 2
d
ivi
s
ion
s
o
f
th
e
m
agni
-
fied display.
X25 (0.2 ms/Div.) ±1 minor division (2%).
X50 (0.1 ms/Div.) ±1 minor division (2%).
X100 (50 ns/Div.) ±1 minor division (2%).
Variable Sweep Range >±20%. Expands sweep around center of
sweep.
35
Slow Sweep Duration 4 to 12 seconds. Front panel
variable control.
45
Timing Cursor Accuracy Within 5 ns, any delay within 1
line (64 ms).
33
Line Select
Range Full Field.
W
av
ef
o
rm
m
onito
r
an
d
v
e
cto
r-
s e m y se e d ffere es.
36
Field Selection 1 of 4 for NTSC or 1 of 8 for PAL.
Even or Odd and All Fields.
s
cop
e
m
a
y
se
l
e
ct
d
i
ffere
nt lin
es.
CRT alphanumeric identification.