HP 3490A - Page 161

Select TEST No.
L
Set
Sample
Rate
to HOLD.
Iniriare
readings
with MAN
trigger
and compare to list
ot @rrect readings sh@n
ll not
all readings
are cor-
recl,
compare
readings
with
lists of
possible
erro-
neous readings
shown
be-
low, to determine il the
readings obtained
are iden-
tiel to
any set ol readingE
listed.
Ser
Sample Rare
to HOLD,
Function
to
TEST. Flange
to
2.
Iniriate
one
smple
with
MAN
Trigger, rhen
elect
Range
1 and initiate
one $mple,
YES
Select
Range 3, ir
gmple
then sele(
and
initiate one s
A Logic ComFrator,
-hp-
105294,
roy be used to check
certain
loqic
units
in
rhe 34904.
This instrument@mparesthe
logic
Fckage
1o a reterence
unit
of the same tvf.
Two logic
Fckages,
AlU18and A1U23are low
power
units and €nnotbe
checked
with the
Logic
ComFrator.A1U4,5,and6
are mounted
ioo
close to rhe
guard
shield
ro
be checked in this way.
!490A-0-2999
Get other manuals https://www.bkmanuals.com