Telex UR-700 Operating Instructions Manual Download | Manualshive

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Telex

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Operating Instructions

UR-700

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Summary of Contents for UR-700

Page 1: ...Telex Operating Instructions UR 700 ...

Page 2: ...icrophone for cleaner audio and greater range If the microphone signal begins to go out of phase a common cause of drop outs with other types of diversity the Posi Phase circuit adjusts the phase angle between the two antennas receiving circuits to prevent phase cancellation This action is indicated by the 0 and 180 degree diversity lights on the front panel Antennas There are two TNC type antenna...

Page 3: ...rray that indicates diversity action and antenna configuration Audio Outputs An XLR type connector and 1 4 phone jack are located on the rear panel providing either line level or microphone level audio output The line output level is adjustable with a screwdriver accessible potentiometer Power The UR 700 will operate from the supplied AC adapter or any nominal 12 15 volt AC DC 300 mA supply Audio ...

Page 4: ...Bandwidth 230 KHz at 3 db points Image Rejection 65dB or better Squelch Amplitude Audio Output Line Level 0 775V RMS 100k load MAX Mic Level 20 dBV 600 Ohm load Receiver Sensitivity Less than 0 8 uV for 12 dB SINAD FCC Notification Part 15 Diversity Continuous Posi Phase Diversity Both antennas are fully employed at all times to maximize signals FCC I D B5DR307 3 ...

Page 5: ...nna Permanently attached Modulation FM 40 KHz Deviation 50 us pre emphasis Frequency Response System 50 Hz to 15000 Hz Microphone Dynamic or Electret DC Power 9 volt Alkaline Batteries Battery Life 8 to 12 Hours Approvals FCC Part 74H Industry Canada RSS123 FCC I D B5DH208A 4 ...

Page 6: ...ation FM 40 KHz Deviation 50 us pre emphasis Frequency Response System 50 Hz to 15000 Hz Microphone Dynamic or Electret 5 VDC Bias Microphone Sensitivity 7 8 mV for full deviation DC Power 9 volt Alkaline Batteries Battery Life 8 to 12 Hours Approvals FCC Part 74H Industry Canada RSS123 FCC I D B5DB108A 5 ...

Page 7: ...isplay A 1 segment LED Display indicates the presence of the signal from the transmitter Diversity Display LED s indicate diversity operation AF Display A 5 segment 3 color LED Display indicates the relative modulation of the microphone Squelch Adjustable for maximum range or minimum interference 6 ...

Page 8: ...audio sound system Amplifier Mixer Pin 1 ground Pin 2 Pin 3 Line Level 1 4 jack with screwdriver adjustable unbalanced audio output Use supplied screwdriver to adjust to desired level Power Jack For external AC wall supply adapter supplied Will accept 12 15 volts AC DC at 300 mA Plug size is 2 1mm x 5 5 mm Power Cord Retainer To prevent accidental pull out of the power plug 7 ...

Page 9: ...te audio connector and cable into the mic or line receptacle on the rear of the UR 700 Insert the other end of the audio cable into the input of your Mixer Amplifier If utilizing the two 1 4 wave antennas supplied connect both of them to the back of the receiver at a 90 angle as shown in Figure 3 Tighten the connectors securely If using other types of antennas refer to the placement instructions o...

Page 10: ... to prevent under or over modulation Set Up NOTE Do not use carbon zinc batteries 8 4 volt Ni Cad batteries may be used but will yield shorter run times Unscrew the handle and install a 9 volt alkaline battery Be sure the battery polarity matches the diagram inside the battery holder Screw the handle back on Do not turn on at this time 9 ...

Page 11: ...n the top of the case Microphone Gain Controls the gain of the audio circuit to prevent under or over modulation Microphone Jack wired as follows Pin 1 Ground Pin 2 Mic Pin 3 5 volt bias Pin 4 5 volt bias fed through a 3K ohm resistor for 2 wire electrets 10 ...

Page 12: ...ange or reduce interference Turn the control counter clock wise to increase range CAUTION DOING SO WILL MAKE YOUR SYSTEM MORE SUSCEPTIBLE TO OUTSIDE IN TERFERENCE Turn the control clockwise to reduce interference from noise and out side radio signals It is best to set the squelch with the transmitter turned off Turn the control counter clockwise until you hear noise or interference over your sound...

Page 13: ...sible Obstructions such as walls ceilings and metal objects will reduce range and performance Do not rack mount the UR 700 with the antennas attached directly on the back of the unit This will severely decrease the range and performance of the system Antenna Placement for Optimum Range and Rack Mounting For better range and when rack mounting the antennas must be located on the front of the rack m...

Page 14: ... meters apart for best results They should be at least 2 feet 60 cm from nearby objects Accessories for remote antenna mounting are listed in the back of this manual See Figures 6 and 7 for suggested mounting options Bracket Mounting The antenna brackets may be either mounted on mic stands or secured to some other object with the hardware provided Figure 6 Bracket Mounting 13 ...

Page 15: ...ble do not mount the brackets on a wall See Figure 7 for bracket and antenna placement Antenna Connection Attach the two antenna cables to the back of the UR 700 Be sure the connectors are tightened securely Route the cable to the antennas and attach in the same manner 14 ...

Page 16: ...ck proceed as follows Remove the front Phillips head screws from each side of each unit Refer to Figure 1 Align the rack ear Item No 1 or 3 with the holes on the side of the unit Install the previously removed screws Insert an additional screw Item No 4 provided in the parts pack into the remaining hole Repeat this step for the opposite side of the unit Tighten all screws securely Item No Descript...

Page 17: ...les Tighten all screws securely Place the two assemblies side by side with the mid brackets together The left bracket should fit above the right so that the countersinks are visible Install 4 flat head screws Item No 5 Tighten all screws securely Place the assembly into the 19 inch rack enclosure and insert four 10 32 x 3 8 Phillips pan head screws supplied in each corner of the rack ears and secu...

Page 18: ...ot 3 meter coaxial cable TNC Connectors Use with Model CAL 5 Antenna Order No 71138000 AC Power Supplies 120 Volt 60 Hz 730131 230 Volt 50 Hz U K 730103 1 230 Volt 50 Hz Euro 730104 1 1 4 Wave Replacement Antenna Part No 879010 Model CLA 5 1 2 Wave Antenna for remote mounting Order No 870658 5 17 ...

Page 19: ...rs all frequencies and increases range Order No 71147000 Model UAD 2 Four Way Antenna Splitter Order No 71253000 Feeds four UR 700 s with just two antennas Also supplies power Eliminates 3 power supplies and 6 antennas Front Connector Mounting Kit Part No 878978 This kit consists of 4 cable and connector assemblies with TNC type connectors They attach to the rack mounts by removing the filler plug...

Page 20: ...quencies other than factory preset frequencies The Telex WT 700 and HT 700 Transmitters are Type Accepted under United States Federal Communications Commission Part 74 Licensing of Telex equipment is the user s responsibility and licensability depends upon the user s classification user s application and frequency selected Telex strongly urges the user to contact the appropriate telecommunica tion...

Page 21: ...Department Then pack the unit as follows Check the unit to see that all parts and screws are in place Then wrap it in heavy paper or put it in a plastic bag If the original carton is not available place the unit in a strong carton that is at least six inches bigger in all three dimensions than the unit Fill the carton equally around the unit with resilient packing material shredded paper excelsior...

Page 22: ...PN 801347 APRIL 1998 TELEX COMMUNICATIONS INC 8601 East Cornhusker Highway w P O Box 5579 w Lincoln Nebraska 68505 5579 ...

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