HP 5065A Manual page 15

Rubidium vapor frequency standard
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/i
'""
Mt.'}d8\
~:JO&GA
C:rcuit
CL~r.;"r~-m:s,
-heory, and h·1aintenance
Turn~On
FrocE:-;dure
1, Set
re~1r
"115/230 \/ac switch to Gotmspond with
!ine voltage use<.t
Check that !-unction swi_tch l;s
\~'21
at
OPER and
OSC FREO FiNE \!3
set at
250
it
should remain
in this position durinq nonna! uperBtion.
3.
Connect ac
powc~r con~
(suppi\-ocH between
tOM
ac jack and
ac
!inc PO'<VBL
4,
On units equippod with ()pti<m 002,
Standby
Power Supply, press 8ATTER''f' :;:witnh lo HESET;
then swi1ch to FAST CHAFiGE
Note tha.t
E3AT TE.PY
iamp cornes on.
if
de !ino PO'flf!f tails,
the BATT EHY !amp
·.vi!l
pulse
5
AlknN 1·-!KH.F warrn!Jp and
tH-~n
;voss START/
AUTO to START rno(nr;niflrU·y
!n_ units equip qed
witL Optkm DO"l, a ny:chnnicd !uck
pr-ev<::~nts
p!acinq !hit swi"!ch
~)t
A.UTO
,ST,t\PT
K
Pre~;~;
LCCtC RC3ET
CONTINUOUS
OPEH-
l\TiON lamp SiWuid
corr"lf? (W<
to
ifH1ici1HJ that
ftequency-2>tab"d\img feHlback i;;op
·i$
locked
H not, rofer to Snction V.
Use
50s-::
!oad on
outputs.
?,
Hotatc C.::iRCUlT
CHECt< fa!!
Check tor n!r)tf;r n".'odinqs
<Jo
:--H)1
ch~~ck
ou:-, (efer to
trc•,ii.··•csh•rntit
infor,
nv:-ttlf)n in
St;ction V
f\kJtf
Aflr,- a
l"'h'"Y.ir
warrn-up,
th~
5D6G/\
>S
within
approx\rriatoty
1
pMt in H)'
0
of tho UTC Time Scale and 'Nithin
approximBt0~Y
G part-s in 1<1'
1
after 4 hours.
NOTE
rf
CONTINUOUS OPFH/'.,.TIOP·-1
!amp goes off
after instn.Jrnent
hn~>
warmed
up, tho C!R.CUlT
CHECK meter
~"Nitch
Si'JOuki be M-:i to the LAMP
OVEN and CELL OVCJ< positions
If either
rm:ter lnOicaUon
<s
fuil .'.;cnie, thn ;nstrurnen!
should be turrHtd off
irn:nc~di8.tElly.
!i n-ot the.
HVFH atmemb1y cou:-:.t
t>e
f!arnaqod
0
Let the 506f,.A_ b:;J;;·er·,:
~
onnnue t_c, tm:.t charge tor
It
lo!.<~i
n!-
H)
how._:;_
.A
1
thf:
Gnd
of
this time, ;::.ct
f:-l-1\
TTERY S'x'>'i1Ch k\ r:LOAT for n continuous
trickle cht-tr913
8,
After 24 hnurs runn:ng tlmn.
thermal
equi~
!ibrium is es!i:lJ)Ished and rnerer readlng8 are
sr.abi!izt:~d,
Hotate CtRGUlT CHECK S'Nl1ch
throuqh
r.dl
pos;tli.>ns
<rid
record roading5 on the
door ch<Jn ..

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