Ultrablitz MonoJet UM User manual

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                              (. ROBEST BOSCH ELEKTRONIK GMBH, WESI BERL N. GERMAN}

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q^ffi   MOUNTING THE "MONO JET UM'' ON CAMERA

       To do this, the built-in shoe is lifted. Slide the unit
          into comero shoe clip. For reoson of security the use
        of the corrying strop is recommended. To retroct
        shoe to its recessed position, push up ridged button
       on bqck of unit ond fold shoe into comportment.
        The stroight brocket is suitoble for qll comeros with-
         out shoe.
       The "E"-clo mp  f or Press-type co meros or     -type
          bro ckets.

SYNCHRONIZING CORD





Drqw out the synchronizing cord ond connect  it to
comero, ensuring thot the comero synchronizing
lever is set to "X". Set shutter speed to obout 1/roo sec             rui u
or higher; if focol plone shutter is used, consult                 qir'.'.l\JH'4
mcrnufocturers' instructions.                                                                        \
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For corrying purpose, insert the corrying strop sup-           q*F4'\iS
plied into the lug of the MONO JET UM. Should your             -]'Tilj
comero occept on outlet thon the stondord PC tip            \"',\iru\
                                                                                                                                                                       gr". affiprovided your deoler will be oble to obtoin q suitoble
odopter for you.                                                                       qr "-fu
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RECHARGING AND A.C OPERATION
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       The MONO JET UM is designed for connection to
      A-C on ly. To re-cho rge the bottery, con nect the
        chorging plug to the unit, setting the chorger to the
         correct voltoge with the oid of o coin, if necessory.

      DANGER  ! The MONO JET UM mqy not be used on
      D-C currenl ! Use only stondord Ultroblitz A-C
        chorging plug os listed on poge 16.

Chorging is storted simply by inserting the chorging plug into on A-C woll
    socket. The red signol lomp lights up io indicote thot chorging is proceeding.
   At the some time, you con flosh os often os you like without dischorging the                sI
    bottery.


                                                                                                                                                                                                                                                                                                                                                                                               I   Chorging ist stopped by disconnecting the chorging plug from the A-C socket.
                                                                                                                                                                                                                                                                                                                                                                                                                                                               I   the buitt-in boilLry needs no mointenonce of ony kind, but must, of course, be
    re-chorged when run down.
   The condition of the bottery is indicoted by the recovery iime, thot is to soy,
    the time which elopses between ihe emitting of o flosh ond the lighting up of
    the signol lomp ogoin, when using the unit on bottery power. This omounts to
             l0 secs when fully chorged,  No' of  f loshes left:70-80
             l5 secs when 3/r dischorged, No. of  f loshes left: obout I0                                             $l           30 secs when  f ully dischorged, No. of  f loshes left:2
     ie: lf the signol light ignites ofter l2 secs it would show thot the bottery is holf         R\.w"*
    dischorged etc.                                                                             {$
   The recovery time should not be ollowed to exceed 30 seconds without the     bottery being re-chorged. The chorging period then omounts to obout l4 hours.          ciS#t\                                                   \M   When onlygSto+Ofloshes hove been mode, o chorging period of obout Thours                                                                                        qffi6   is odequoie. The bottery is not domoged, however,  if it is left unchorged for
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longer periods of iime. The bottery hos on exceptionolly long life of obout 400 .d q  $Iq*        toSbO rechorges.  lf by mistoke the mechonism is left turned on for o long period
                                           no longer operote. Normoly, b\     of time, the Lofiery will dischorge ond unit will
                                         moy be required for o new full \tr      this wili not spoil t'he bottery, bui up to 60 hrs.
  [$  *d     chorge. ltwili then be bock to full copocity ofter 2lo3 odditionol normol dis'
        chorge cycles with o l4 hrs. rechorge for eoch' b.,q\M
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      REFORMING THE STORAGE CAPACITOR
      When the flosh hos not been used for severol weeks, it is best to plug it in on
          electric socket for 20 to 30 minutes. This will reform the electrolyte copocitor
       ond the unit will reoch its full flosh power ogoin. During the re-octivotion
          period, the unit should be floshed ot intervols'

AUTOMATIC TRANSISTORIZED MONITORING CIRCUIT





The tronsistor-reloy-circuit of the MONO JET UM soves the bottery ond outo-
                                                                                                                                                                                                                                                                                                                                                 lmoticolly keeps light output constont. When toking pictures it is not necessory
to turn off the unit to sove bottery. Just os soon os the MONO JET UM hos been       qS'                                                      qsturned on, the outomotic control tokes over the iob of regulotion flosh copo-
citor voltoge lhus securing on ever constont light output. At the some time, this   \H
                                                                                           €&outomotic mechonism cuts off bottery current iust os soon os full flosh power
hos been reoched, increosing the octuol number of floshes ovoiloble. This outo-         {&*rmotic control hos the greot odvontoge of moking it possible to keep the           nnoJ,.t\
MONO JET UM in constont operotion. This meons thot it is olwoys reody to         f". \bwork ond you won't hove to miss thot once-in-q-lifetime-shot.                q\&
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STOP COMPUTOR AND GUIDE NUMBER
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        Stop Cornputor
       Whenever doylight or constont sources of ortif ico   I
          light ore ovoiloble, correct exposure is reguloted by
       meqns of shutter speed ond stop. However, if the
        very short eilectronic flosh is used, correct exposure
       con only be reguloted by the diophrogm stop. The
       stop computor offers qn eCIsy woy of oscertoining
         correct stop. Set the ASA orrow of volue correspond-
        ing to sensitivity of film used (for exomple: ASA 32).
        Proper stop volue (5.6) is then reod ot the distonce
        (exomple: l0 ft.). Red figures show ASA volues.

Guide number

          lf the sensitivity of your film connot be encompossed by the computor, proper
      stop volue con be colculoied from the guide number(seepoge'11)or  os follows:

                                                          ,t           guide number--'  : stop,       (for                                   exomple: for ASA 400 film      F g)           distonce-                                                      #:
      Distonce is meosured in ft. between lomp ond subieci.

    The guide number is, of course, only on opproximotion.  lt is governed by ihe
       light output of the MONO JET UM ond by the film sensitivity,lo*"u"r,-room           it olso
     depends on the brightness of subiect, size ond brighiness of      ond method                                                                       "4e     of developing. Guide numbers indicoted ore overoges colculoted for normol      size rooms with light wolls ond con be used for distonces down to obout 3 ft.     ffi*ts&
          lf you ore toking pictures outsides, in lorge holls, or of bright, reflecting obiects       ss
                                                                                                                                                                                                                                                                 {t'"$     of long distonce.s, be sure to open diphrogm 1 or 2 stops more thon required
     by mothemoticol colculotion or stop computor.                        ,&
     Using the guide number groph qt the right, guide numbers for every type of    \*s
l0   film con be oscertoined in the following monner: Find the sensitivity of your   fuW
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film on the left hond scol'e, follow it horizontolly until it intersects the diogonol
       line. The proper guide number is then locoted on the horizontol scole directly
    below the point of intersection. Exomple: ASA 50, guide number =72.





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    FITM AND DEVEIOPING                                     hh
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    The MONO JET UM light corresponds to doylight of 56000 K. Therefore, use       ss
     only doylight film for color pictures. For block ond white pictures we recom-          i'b&
    ment ponchromotic film with normol developing. An especiolly high quolity        q.,TF
     of brilliont, finely groduoted negotives con be obtoined by using o modern   e1&-q.*s
12  ropid developer. Volues indicoied refer to normol developing time.            q'&
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SOLE AUTHORIZED IMPORTERS FOR THE USA:
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  $&  q*                        300 Pork Avenue South, New york ,|0, N.y.
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q€                       DISTRIBUTERS:
                                 lnterstote Photo Supply Corporotion
                            300 Pork Avenue South, New York 10, N.y.
                                 lnterstote Soligor Photogrophic Corporotion
                           3240 West Morse Ave., Chicogo 45, lllinois
                                lnlersiote Photo Supply Western Corporotion
                           5201 W. Jefferson Blvd., Los Angeles 15, Colifornio
                                Interstote Photo Supply Southwest Corporotion
                               l0l Gloss Street, Dollos 7, Texos