Page 1: ...OPERATING INSTRUCTIONS STANDARD C430 430 MHz FM lOW 12CH MEMORY CH 4 ...
Page 2: ...P proudly presents C430 turned out from its modern facilities with its confidence that a number of the product sfeatures and great reliability will provide you with satisfaction 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 TABLE OF CONTENTS Features of C430 2 Cautions Prior to Use 6 Installation Procedures 8 Communication Procedures 9 Memory Channel 10 Busy Indicator Lamp 10 Meters 11 Calibrati...
Page 3: ...attaching process brings the sides of the rig into a dose contact with their corresponding parts The rig s occupancy of small Space serves for the efficient employment of the limited interior room of the car 3 Capacity of 12 Channels Plus 1 C430 contains a memory Channel in addition to the regulär 12 Channels Place the crystal for a specific frequency in the crystal socket of this memory Channel a...
Page 4: ...sistorized 3 stage am plifying unit plus integrated circuitry showing very good limiter effect 6 Squelch Circuit The squelch circuit is a noise rectifier type enjoying an established reputa tion for mobile Station use and the circuit operates securely thanks to the high gains resulting from the 2 stage nois amplification 7 Squelch Time Constant With the squelch unit accessory connected to the acce...
Page 5: ...nd occupancy 9 Transmitter Indicator Lamp and Meter Facility When the push button on the microphone is pressed the red pilot lamp on front panel illuminates to show that the transmitter is in a transmitting mode Düring the transmission the meter on the front panel indicates the relative value of the transmitting output 7 Channel Selector with Short Circuiting Ring The Channel selector of C430 is p...
Page 6: ...e j 4 pin permits the connection to a telephone handset as well as the microphone 14 Accessory Terminal A T A 9pin accessory terminal is available on the rear for different connections of accessory units from outside 15 Wide Range of Operating Temperature 0 operating temperature widely ranging from 30 degrees C to 60degrees C is good enough for mobile Operation even in severely cold environments 1...
Page 7: ...sition 2 DO NOT connect or disconnect the antenn or external Speaker while keeping the power supply switch at ON position 3 DO NOT push the microphone switch with the antenna left disconnected 4 BE SURE to replace the blown off fuse with a new one of the designated SA rating 5 Prior to the power supply connection check to see the polarity of the elec trical System C43Q is constructed for negative ...
Page 8: ...rophone connector Transmit indicator lamp Busy lamp 0 Memory lamp m Channel selector Power cord Calibration switch Antenna connector External Speaker terminal Accessory terminal Cabinet fixing screw IMounting bracket Complemental mounting bracket Microphone Memory switch ...
Page 9: ...e out the furnished mounting metal bracket and attach it at the ensured installation position on the body of the radio Depending on the installation Position use the supplied auxiliary mounting bracket which can be bent or cut freely to your need See Figure 2 1 2 Position the mounting bracket in predetermined installation place make a bore for the bracket with a 5 or 5 5mm drill and secure it with...
Page 10: ...elch Control Turn the Channel selector and set the SQL knob 2 using a disengaged Chan nel Revolve the knob slowly to clockwise until you come to a point where a noise suddenly extinguishes Set the SQL knob on this point and you will hear no noise but the incoming signal alone through the Speaker In this condition the Signal is of very poor clarity and possibly disturbing even when the squelch circ...
Page 11: ...y switch is set at ON position shift to the memory Channel takes place no matter on which position the Channel selector is placed Düring the Operation of the memory Channel the memory indicator lamp on the front panelilluminatesin orange color WARNING This Company made micophones without the memory switch CMP01 CMP 07 and CMP08 perform automatic switchover to the memory Channel and reject the swit...
Page 12: ...al in reception and the scale of the meter 2 4 6 8 Scale ofthe meter Figure 7 1 8 Calibration Switch The calibration switch on the rear panel set at ON position sets in simul toneous motion the crystal oscillators modulators and the first and second doublers of the receiver and transmitter sections Use the switch for alignment of the fre quencies for reception and transmission of signals with the ...
Page 13: ...sory terminal The squelch unit is designed to allow the con nection of a chemical capacitor to 1 and 4 pins of the accessory terminal 4 pin connected to the base of the SQL SW Q115 lengthens the time constant in parallel with C200 Replace the chemical capacitor of the squelch unit and change to your desired time constant 10 Stand C430 is provided with the stand for use as a fixed Station Insert th...
Page 14: ...on the main printed board for transmitter See Figure 11 1 Transmitter main P C Board Front R331 Variable resistor for mike sensitb vity adjustment Big Small Figure 11 1 12 Microphone Connector Microphone connection will be made as indicated in the below figure jjl Hot microphone terminal common with AT 2 j 2 Grounding terminal common with AT 1 Ö3 Microphone Fush button switch terminal common with ...
Page 15: ...ction AT 1 Grounding AT 2 Microphone input terminal common with jfl of microphone con nector AT 3 Push to talk Switch common with Jf3 of microphone connector AT 4 Squelch Output connected to Q115 base AT 5 AT 6 FM detector output AT 7 Audio frequency output Auxiliary terminal of external Speaker AT 8 13 8V power supply before power supply switch AT 9 13 8 V for receiver Figure 13 1 14 ...
Page 16: ...desired receiving frequency in MHz No over tone system is adopted for the crystal oscillating unit for transmitter or receiver In your order for the crystal oscillating unit specify the frequency as for instance 432 24MHz for C430 use 2 Crystal Oscillator Installation Pro cedures When the crystal oscillating unit of your desired frequency is ready take out the Chassis of this transceiver from the ...
Page 17: ... Receiving Frequencies Make adjustment with the calibration switch set at ON position Simultaneously check on the modulation with the volume control adjusted properly so as not cause any howling Make sure not to transmit any signal when the calibration switch is set at ON position The adjustment on the memory Channel can be done in the same procedures List of Frequencies of Crystal Oscillating Uni...
Page 18: ...15 Accessory Parts The following accessory parts are available for C430 0 Speaker Box SR C205K 4 Ohms 0 AC Power Supply SR C 12 120 2 9 to 16 V 6 5A CMP 31 17 ...
Page 19: ...ect external Speaker to SPK terminal on the rear panel and you will find only the external Speaker operating with the internal one non operating NOTB Use an external Speaker with 4 ohm impedance This Company made spea ker box C205K containing a large oval Speaker cone with 4ohm impedance will best meet this purpose 18 ...
Page 20: ...le Roof top is recommendable for Installation of the antenna for mobile Station 3 Use the antenna with good Performance Coaxial Cables 1 Use the coaxial cable having a matched impedance of 50 ohms Do not use 3C 2V 5C 2V etc becouse of their matched impedance of 75 ohms 2 We recommend as thick coaxial cable as possible for this purpose because the loss of the coaxial cable in 430MHz band connot be ...
Page 21: ...buter Ignition coil Ignition plug Circuit breaker Anti noise capacitor for automobile Anti noise resistor for automobile Figure 18 1 The anti noise capacitors and resistors may be inserted in the places shown as A B C D and E in Figure 18 1 above In some cars the noise can be prevented with such insertion at only one place In some cases noise can be decreased if C430 is powered by the power suppli...
Page 22: ...ave F3 2 Transmitting Output 10 W at 13 8V 3 Output Impedance 50ohm 4 Maximum Frequency Deviation 12KHz 5 Modulation Vector Composite Phase Modulation 6 Frequency Stability Less than 0 002 7 Frequency Multiple 24 8 Modulation Distortion Less than 6 9 S N 45dB or more Receiver 1 Receiver Type 2 Intermediate Frequency 3 First local Oscillating Frequency Multiple 4 Frequency Stability 5 Sensivivity 2...
Page 23: ...3734 851 015 ...
Page 24: ...rtaster in das Gerät einzubauen der kann den Tonrufauch von Hand auslösen Einbauhinweise Schaltbild umseitig Elektrische Anschlüsse gelbe Leitung an Punkt A PTT AnschiuB blaue Leitung an Punkt B Masse Anschluß grüne Leitung an Punkt C NF Anschluß orange Leitung an Punkt D Betriebsspannung Dieser Anschluß erfolgt am Ein Ausschalter wo drei weiße und eine rote Leitung angeschlossen sind I I I I E C ...
Page 25: ...r 1 _ MINIX OO OO MAT 430 Platinenansicht F Tonfrequenz H Tonrufhub Testpunkt gegen Masse Dauertonauslösung Zur manuellen Auslösung des Tonrufs mit se paratem Taster müssen die beiden einge zeichneten Dioden 1N4148 o a nachgerü stet werden Der Taster ist an dem großen Lötauge anzuschließen und nach Masse zu schalten RICHTER CO MINIX Funkgeräte HANNOVER ...
