JRC JAX-91 User manual

WEATHERFACSIMILERECEIVERJAX-91
PrintedinJapan2007.1 CAT.No.Y3-142（No.492-1-3）D
The JAX-91 Weather Facsimile Receiver is the paper base
recording system, It is easy to check by the automatic printout
function.
On top of it, a new function characterizes that as a suitable
Frequency is automatically selected on checking wave
propagation,Frequencyselectionandtimeroperationinthearea
ofthesameBroadcastingstationareenhanced.
●FlexibleOperation
The JAX-91 can operate in four start and stop modes for
transmittedpatternsfrombroadcaststations,purposesoffacsimile
receivingandrecordingstatus :
（1）Fullyautomatic : Alloperationsfromstarttostoparecontrolled
by the remote control signal under WMO Recommendation,
ensuringerror-freerecording.
（2）Semi-automatic : Automatic phasing and start by manually
settinganindexofcooperationandascanspeed.
（3）Manual : Startand stop,andphasingaremanually made,butin
auniquemethodenablingmomentaryphasing.
（4） Programmed : With the internal timer, the times of start and
stop, start and stop modes, station frequencies, half-tone
on/off are programmable. When combined with the fully
automaticmode,unattended,error-freeoperationisavailable.
●FineHalf-ToneRecording
Picturesofcloudscanberecordedin16-levelhalf-tonegradationby
dithering. This digital method ensures high-resolution recording to
represent even very fine lines so clearly that it is compared to
analogpictures.

●SynthesizedReceiver
Thebuilt-insynthesizedreceiveriscapable of setting any receiving
frequency from ten-key pad and presetting up to 90 spot
frequencies in the memory. This feature is very effective when
receiving any new broadcast frequency and changing the station
frequencybymanuallyorautomatically.
●PrintoutofFrequenciesandProgramLists
Upto90channelsofmemoryfrequenciesandupto15channelsof
programlistscanbeprintedoutontherecordingpaper.
●HighQualityPictures
Theeffectofradiointerferencesuchasmulti-passechoandfading
can be detected and indicated（RCV MONI TOR）for effective
frequencyselectionandforjudgementofrecordingquality.
：Solid-statescanningbythermalhead
：Thermosensitive
400mm（W）×100m（L）/roll
：384mm
：576and288
：60,90,120,180and240spm
： Approx. 4.7 lines/mm（576）or approx. 2.4  
lines/mm（288）
：8dots/mm
：Automatic/manual
：LEDindicatorwithradiointerferencedetector
：1900Hz±400Hz,600ohm
：(1)Automatic
Allactuationisperformedautomatically.
(2)Semi-automatic
The IOC and scan speed are manually
selected and Phase matching recording
andstopareautomaticallyControlled.
(3)Manual
Alltheoperationsaremanuallypreset.
(4)Program
The operations sre programmed using
theInternaltimer.

：
DoublesuperheterodynewithPLL frequency  
synthesizer

：F3C
：LF／80kHz−160kHz
HF／2MHz−24.9999MHz
：6-digitLED（10MHzto100Hzdigits）
：Directselectionfromtenkeys
：Upto90spotfrequenciespresettablefrom
ten-keypad
：Automaticallyselectablefrom5bande
：LF／10μV（＋20dBμ）orless
HF／2μV（＋6dBμ）orless
forantennainputtoobtaintheoutputof
−5dBmat20dBS/N
：70dBormore
：6dBdown2.4kHzto3.0kHz
60dBdown6kHzorless
66dBdown10kHzorless
：BytheuseofUP/DOWNswitch
：0dBmat600ohm
：1900Hz±400Hz

：15programs
：Timesofrecordingstartandstop,receiving
frequency, fully automatic/semiautomatic
mode,IOC,scanspeedandhalf-toneon/off
：Keyingfromten-keypadandfuctionkeys

：80−132VAC or 160−246VAC, 50/60Hz, 
single-phase.
：130VAorless
●FacsimileRecorder
Recordingsystem
Recordingpaper

Effectivescanningline
Indexofcooperation
Scanningspeed
Scanningdensity

Scanningresolution
Phasing
Tuningindicator
Signalinput
Startandstopmodes










●SynthesizedReceiver
Receivingsystem

Modeofreception
Frequencyrange

Frequencydisplay
Frequencysetting
Frequencymemory

Frequencybands
Sensitivity



Imagerejectionratio
Signalselectivity


ISBreceiving（ f）
Signaloutput
Outputfrequency
●ProgrammingFunctions
Numberofprograms
Contentsofmemory


Storingmethod
●General
Powersupply

Powerconsumption
●FacsimileReceiver・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
・・・・・・・・1 
●ProtectiveCover・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1 
●StandardSpareParts・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1set
●OperationManual・・・・
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1copy
●TableofBroadcastSchedule・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1copy
FEATURES
DIMENSION （ｍｍ） & WEIGHT
SPECIFICATIONS
COMPONENTS
Mass：Approx.25kg


，
 
For further information, contact:
Since 1915
Main Office: Nittochi Nishi-Shinjuku bldg.
10-1, Nishi-Shinjuku 6-chome
Shinjuku-ku, Tokyo 160-8328, Japan
Telephone: [phone]
Facsimile: [phone]
Overseas Branches : Seattle, Amsterdam, Athens
Liaison Offices : Taipei, Manila, Jakarta, Singapore,
Hanoi, New York
25EM
URL eng
●Specifications may be subject to change without notice.
2007.1
mounting
holes
6-φ7
302634
41350 24 41
24
190190
400 70
18515 200
480
470
JAX - 91 FACSIMILE RECEIVER
NP