Tektronix 494A Water Dispenser User Manual


 
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Date:5-1G-Bg
Product:
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ITIANUAL
CHANGE
INFORMATION
Ghange
Reference:
C2t5lgg
Manual
Part
No:
See
List
product
Group: ZO
PERFORMANCE
CHECK
PROCEDURE
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INSTRUMENT
49UP
Seruice
1
492P/6
Service
1
4941P
Service
t
4951P
Service
l
496/P
Service
I
492NAP
Service
1
492B|BP
Service
1
494NAP
Service
1
2753P
Service
1
27541P
Service
i
27551P
Service
t
2755NAP
Service
l
2756P
Service
1
MANUAL
070,3783-01
07a-4232-O0
070-4416-00
070-5084-00
070-3481-00
070-5565-01
070-5565-01
070-5560-00
070-6306-00
070-6097-00
070-6032-01
070-6032-01
070-6318-00
NOTE
Ih".n
performing
lhe
accuracy
check
at 10
dB/Dlv
mode
on
some instrument
options,
the last
.t0
dB
step
of
Display
Dynamic
Range
may
not
appear
to
meet
specification
when
the 10
KHz
Resolution
Bandwith
Filter
is
used'
This
is
observed.
as noise
inierrering
with
the
signal when
the External
Attenuator
is
set
to
g0
dB. The
signalwill
appear
too
high,
and
noise
can
6e
seen
on either
side. lf
this
is
the case,
then
change
the
sparvDiv
to 10
kHz'
the resoulution
Bandwidth
Filter
to 1
kHz,
and
the video
Fitter
to wlDE.
Then
reset
the
External
Atlenuator
lo
0 dB,
readiust
the
signal
Generator
outpul
to
FULL
scFEEN
and retest
the 10
dB/Dlv
mode.
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