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4: Maintenance

PRC1077-MSOP

4-3

11. The PRC1077 is designed with four internal test bands selected

automatically by the microprocessor. Perform steps 8 and 9 in each of the
four frequency band ranges listed below:

•

30 MHz to 39 MHz

•

40 MHz to 51.975 MHz

•

52 MHz to 67.975 MHz

•

68 MHz to 87.975 MHz

Figure 4-1. PRC1077 Replacement Parts

Battery
Box

Transceiver

Case

Protective

Power

Cap

Protective

BNC Cap

Protective

Antenna

Cap

Power

Knob

Channel

Knob

Tuning

Knob

(kHz)

Tuning

Knob

(kHz)

Function

Knob

(kHz)

Volume

Knob

Hinge

Captive

Screw

Protective

Dual Audio

Cap

Tuning

Knob

(MHz)

Содержание PRC1077

Страница 1: ...Set Operator Manual Datron World Communications Inc Manual Part No PRC1077 MSOP Release Date March 2007 Revision C 3030 Enterprise Court Vista CA 92081 U S A Phone 760 597 1500 Fax 760 597 1510 E Mail sales dtwc com www dtwc com ...

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Страница 3: ...escription of Changes Pages Affected 6 1991 A Original release All 6 2006 B Overall update to text and format All 3 2007 C Changed cable part number part number from C991611 to C991618 Added protective power cap to replacement parts table Page 2 22 Figure 2 14 Page 4 4 ...

Страница 4: ......

Страница 5: ... to demonstrate that a remedy has been implemented If the user fails to perform the agreement will be terminated by further written notice from Datron Upon termination the user shall immediately return all original Software documentation and any copies of each to Datron This Software is licensed AS IS and Datron provides a war ranty that covers the media upon which the Software is embed ded for a ...

Страница 6: ... of equipment 3 Date of installation Parts returned without this information will not be replaced In the event of a dispute over the age of the replacement part components date coded over 24 months previously will be considered out of warranty Remedies Buyer s sole remedies and the entire liability of Datron are set forth above In no event will Datron be liable to Buyer or any other person for any...

Страница 7: ... 2 9 5W Fixed Base System 2 15 Figure 2 10 50W Fixed Base System 2 17 Battery Charger Installation 2 19 Figure 2 11 PRC PS Power Supply Battery Charger 2 19 Figure 2 12 PRC BC4 Multiple Battery Charger 2 20 Figure 2 13 PRC HC 30 Hand Crank Generator with Battery Installed 2 21 Figure 2 14 PRC HC 30 Hand Crank Generator with Battery Connected Directly 2 22 Figure 2 15 PRC SPU 10 Solar Power Generat...

Страница 8: ...y and Repeaters Introduction A 1 Radio Relay Operation A 1 Repeater Operation A 2 Radio Relay Procedures A 2 Dedicated Receiver A 2 PRC1077 Repeater Installation A 3 Figure A 1 Frequency Interference Chart A 4 Figure A 2 Transceiver Connections Relay System A 4 ...

Страница 9: ...y spacing as well as electronic tuning with 10 preset channels The PRC1077 radio set can also be integrated into the VRC 64 and GRC 160 vehicular radio systems The PRC1077 can be configured for manpack mobile and base applications in 5W or 50W output levels The PRC1077 is supported with a full line of accessories such as Antennas Retransmission cabling Audio accessories Extended control accessorie...

Страница 10: ... pack Antennas 3 ft tape and 10 ft whip 50 ohm antenna Antenna port BNC for 50 ohm broadband antennas or for connection to external amplifier whip antenna port Display Backlit multi function custom LED Mechanical Size 11 1 in x 4 1 in x 9 25 in 28 2 cm x 10 5 cm x 23 5 cm W x H x D including battery pack Weight 9 7 lbs 4 4 kg w o battery pack BB LA6 pack is 2 lbs 0 9kg Package OD sealed including ...

Страница 11: ...c versions mounts to any vehicle Power supply PS1077 for portable use UPF7000A 28 or UPF7000A 12 for base station Chargers PRC BC4 4 unit charger PRC PS power supply or 2 unit charger PRC SPU 10 solar power unit PRC HC 30 hand crank generator Converter AM1077CONV 12 Vdc to 28 Vdc Characteristic Specification ...

Страница 12: ......

Страница 13: ...ht the PRC1077 can provide good communication An intervening hill or a tall building may hamper or prevent contact with other stations Valleys and densely wooded areas also impair communication quality Positioning the transceiver on a hilltop or a tower increases the operating range If possible avoid locations near a source of electrical interference such as power or telephone lines radar sets and...

Страница 14: ...C1077 on a level surface with the front panel facing down 2 Pull the two clamps out from the transceiver case to release and push down on the battery case 3 Remove the battery box 4 Check the battery connector If it is damaged the transceiver must be repaired Make sure the pressure test screw and relief valve are tight 5 Position the battery so the connectors are aligned then mate the connectors 6...

Страница 15: ...mount the transceiver to the harness refer to the figure on page 2 5 1 Place the harness flat on a level surface with the metal braces facing up 2 Place the transceiver on the harness with the panel toward the top and the battery case resting on the metal braces 3 Fasten the transceiver to the harness with the two retaining straps feed the metal tipped strap from below through the center slot on t...

Страница 16: ...r the operator s shoulders 4 Feed the end of the lower strap through the right shoulder strap ring Feed the metal tip of the strap from below through the center slot in the buckle then down through the end slot 5 Install the left should strap in a similar manner to Step 4 6 Hook the two belt straps to the combat belt Figure 2 2 Manpack Components Shoulder straps Transceiver Retaining Straps Should...

Страница 17: ...m of the AT 892 U into the antenna mount To install the AT 271A U antenna 1 Remove the cover from the antenna mount 2 Screw AB 591 U flexible antenna base into the mount 3 Unfold the AT 271A U by holding the base section the heaviest section and carefully whipping it outward If all sections are not secure insert the sections by hand 4 Screw the extended AT 271A U antenna into the AB 591 U antenna ...

Страница 18: ...als the operator s location the antenna can be positioned so that it is horizontal to the ground refer to the figure on page 2 7 example C When the antenna is horizontal the direction of communications is broadside to the antenna For best reception position the communicating transceivers in the same position either horizontal or vertical CAUTION Make sure the base is tight against the mount Even a...

Страница 19: ...e handset connector onto the AUDIO connector Turn the knurled connector until the alignment pins engage with the audio connector slots then push in and twist clockwise The flat side of the handset connector should face the top of the PRC1077 transceiver Figure 2 4 AT 892 U Antenna Orientation in Various User Positions Antenna vertical radiation is directional Antenna horizontal radiation direction...

Страница 20: ...C991577 C991949 MT 1077 24 C991580 to 24 Vdc source PRC1077 C991577 to 24 Vdc source 4242 MK2 MHS Accessory Part Number Description Antenna 4242 MK2 Broadband vehicular center fed whip antenna Adapters MT 1077 24 24 Vdc vehicular adapter with integrated shock mount includes antenna tuning control and loudspeaker OA3633 VRC 24 Vdc vehicular adapter includes antenna control and loudspeaker mounts to...

Страница 21: ...connector protective cap is attached to the PRC1077 transceiver front panel by a cord so it will not become lost The protective cap grounds the connector when the cap is installed If the protective cap is not installed or the C991949 cable is not installed and connected to the MT 1077 adapter the PRC1077 will not operate 4 Connect the C991577 cable to the PRC1077 50 ohm ANT connector and to the 42...

Страница 22: ...pter and clamp in place with the two mounting clamps 3 On the PRC1077 remove the protective cap from the POWER connector Connect the CX 4655 GRC cable provided with the OA3633 VRC adapter to the PRC1077 POWER connector and to the OA3633 VRC adapter SET POWER connector 4 Continue with standard 24 Vdc 5W mobile system installation procedure steps 4 to 6 above Figure 2 6 5W 24 Vdc Mobile System with ...

Страница 23: ...ntenna 4242 MK2 Broadband vehicular center fed whip antenna Adapters MT 1077 24 24 Vdc vehicular adapter with integrated shock mount includes antenna tuning control and loudspeaker MT 1077 12 12 Vdc vehicular adapter with integrated shock mount includes antenna tuning control and loudspeaker OA3633 VRC 24 Vdc vehicular adapter includes antenna control and loudspeaker mounts to MT 1029 VRC standard...

Страница 24: ...RC1077 remove the protective cap from the POWER connector Connect the C991949 cable to the PRC1077 POWER connector and to the MT 1077 SET PWR connector J4 Note Make sure the POWER connector protective cap is attached to the PRC1077 transceiver front panel by a cord so it will not become lost The protective cap grounds the connector when the cap is installed If the protective cap is not installed o...

Страница 25: ...he battery box onto the PRC1077 transceiver case refer to Installing the Battery on page 2 2 2 Slide the PRC1077 transceiver onto the MT 1077 12 adapter and clamp it in place with the two mounting clamps The MT 1077 12 includes an integrated shock mount 3 Install the AM1077CONV power converter to the back of the AM 1077 RF Amplifier case 4 Position the AM 1077 50W RF amplifier on top of the PRC107...

Страница 26: ...nt panel by a cord so it will not become lost The protective cap grounds the connector when the cap is installed If the protective cap is not installed or the C991949 cable is not installed and connected to the MT 1077 adapter the PRC1077 will not operate 7 Connect the C991577 cable to the AM 1077 RF amplifier 50 ohm RF OUT connector and to the 4242 MK2 antenna 8 Connect the C991580 cable to the M...

Страница 27: ...1077 C991577 C991949 MT 1077 24 PRC1077 C991577 MHS OE 254 GRC OE 254 GRC UPF7000A 28 ACLP120 15 to 110 Vac source to 110 Vac source C991614 Accessory Part Number Description Antenna OE 254 GRC VHF antenna kit including 30 MHz to 87 975 MHz omni direction antenna with mast and transit bag Adapters MT 1077 24 24 Vdc vehicular adapter with integrated shock mount includes antenna tuning control and l...

Страница 28: ... protective cap grounds the connector when the cap is installed If the protective cap is not installed or the C991949 cable is not installed and connected to the MT 1077 adapter the PRC1077 will not operate 4 Connect the C991577 cable to the PRC1077 50 ohm ANT connector and to the OE 254 GRC antenna 5 Connect the C991614 cable to the MT 1077 24 adapter J1 connector on back and to the UPF7000A 28 2...

Страница 29: ... PRC1077 C991949 MT 1077 24 PRC1077 MHS OE 254 GRC OE 254 GRC UPF7000A 28 ACLP120 15 to 110 Vac source to 110 Vac source AM 1077ADPT C991575 AM 1077 C991577 C991579 C991575 C991614 AM 1077 Accessory Part Number Description Antenna OE 254 GRC VHF antenna kit including 30 MHz to 87 975 MHz omni direction antenna with mast and transit bag Adapters MT 1077 24 24 Vdc vehicular adapter with integrated s...

Страница 30: ...connector J3 6 On the PRC1077 remove the protective cap from the POWER connector Connect the C991949 cable to the PRC1077 POWER connector and to the MT 1077 SET PWR connector J4 Note Make sure the POWER connector protective cap is attached to the PRC1077 transceiver front panel by a cord so it will not become lost The protective cap grounds the connector when the cap is installed If the protective...

Страница 31: ...The battery case is attached to the back of the transceiver case The BB LA6 battery can be recharged using the following battery recharge configurations PRC PS Power supply battery charger PRC BC4 Multiple battery charger PRC HC 30 Hand crank charger PRC SPU 10 Solar power generator PRC PS Power Supply Battery Charger The PRC PS can operate both as an external power supply and as a battery charger...

Страница 32: ...t illuminates if the battery is not connected properly or is shorted Charging indicator light illuminates during normal charge cycle Ready indicator light illuminates when the battery is fully charged 4 Leave the PRC1077 powered off unless it needs to be operated while being recharged 5 Connect a BB LA6 battery directly to the PRC PS J4 connector 6 Allow about 6 hours to recharge a battery dischar...

Страница 33: ...echarge a battery discharged to 20 of capacity PRC HC 30 Hand Crank Generator The PRC HC 30 Hand Crank Generator can recharge a BB LA6 battery directly or while installed in a PRC1077 As the name indicates the PRC HC 30 is a mechanical hand crank recharging device To recharge a BB LA6 battery 1 Connect the C991618 cable to the PRC HC 30 hand crank generator and to the BB LA6 battery refer to the f...

Страница 34: ...2 Connect the C991613 cable to the PRC SPU 10 and to the PRC1077 with a BB LA6 battery installed refer to the figure above or connect a C991617 to the PRC SPU 10 and directly to a BB LA6 battery refer to the figure on page 2 23 3 Allow several hours for charging a fully depleted battery Figure 2 14 PRC HC 30 Hand Crank Generator with Battery Connected Directly BB LA6 C991618 PRC HC 30 Figure 2 15 ...

Страница 35: ...2 Installation PRC1077 MSOP 2 23 Figure 2 16 PRC SPU 10 Solar Power Generator with Battery Connected Directly BB LA6 C991617 PRC SPU 10 ...

Страница 36: ......

Страница 37: ...t 4 Turn the Power switch to the desired power level Figure 3 1 Front Panel Controls ANT CHAN SET MHz KHz ANT MHz KHz OFF LO HI MAN CHANNEL LITE RETX SQUELCH TONE RX TEST VOLUME POWER MED AUDIO 0 10 5 5 6 7 8 9 1 2 3 4 Power Switch Function Switch Channel Switch Tuning Control MHz Tuning Control kHz Channel Set Volume Control Audio Connectors Power Connector Antenna Mount Antenna Connector LO 0 5W...

Страница 38: ...s 1 to 9 Position Description OFF Turns transceiver off LO Turns transceiver on sets output power to 0 5W MED Turns transceiver on sets output power to 2 0W HI Turns transceiver on sets output power to 5 0W Position Description RX TEST No receiver noise background noise in receiver SQUELCH Receiver squelched no background noise audio only when signal is received TONE Receiver squelched no backgrou...

Страница 39: ...n MAN Manual tune channel 1 to 9 Preset channels Position Description UP Increments frequency higher in 1 MHz steps Lever is spring loaded DOWN Increments frequency lower in 1 MHz steps Lever is spring loaded UP Increments frequency higher in 25 kHz steps Lever is spring loaded DOWN Increments frequency lower in 25 kHz steps Lever is spring loaded Position Description Pressed Allows the preset cha...

Страница 40: ... in the LCD indicate the desired frequency 5 Turn the Tuning control kHz switch to either UP or DN until the three left digits kHz in the LCD indicate the desired frequency 6 Release the CHAN SET button The new preset frequency is now entered into memory Presetting the MAN Channel To set the MAN channel 1 Turn the POWER switch to the LOW MED or HIGH position 2 Turn the CHANNEL switch to MAN 3 Turn...

Страница 41: ...ing Channels 1 to 9 on page 3 4 3 Press and hold the CHAN SET button 4 Press and hold the handset PTT button 5 With the CHAN SET button and handset PTT button still pressed adjust either Tuning control knob MHz or kHz up or down to set the transmit frequency The transmit frequency is displayed in the LCD 6 Release PTT and CHAN SET button sequence is not important Once the transmit frequency is set...

Страница 42: ...ructions to act as a screen against the jamming source Experiment with different locations as the interference signal strength may vary substantially over very short distances Operate at the minimum power level that still provides adequate communications This makes it difficult for the jamming source to intercept transmissions and determine the jamming frequency Change the channel frequency With m...

Страница 43: ...municating with a PRC77 transceiver The PRC28 has 100 kHz frequency spacing limiting the usable frequencies to even 100 kHz frequencies Again these unused frequencies can provide both security and protection Squelch System Some transceivers do not include 150 Hz tone in the squelch mode The PRC1077 can receive transmissions with or without 150 Hz tone in squelch mode If a station does not respond ...

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Страница 45: ... looseness or damage During the operational check note the mechanical action of each control Inspect the battery for leakage corrosion and swelling Note Remove the battery if the transceiver is not used for one or more days Perform the Operational Checklist The following is a recommended procedure for weekly preventative maintenance to keep the PRC1077 and accessories in good working condition Ins...

Страница 46: ... MED or HIGH The frequency displayed in the LCD should match the frequency of the channel to which the Channel switch is set If the displayed frequency does not match the frequency of the channel reset the channel frequency If the displayed frequency is still not correct replace the battery 6 Set the Function switch to LITE The LCD should be backlit If the LCD does become backlit notify technical ...

Страница 47: ...cy band ranges listed below 30 MHz to 39 MHz 40 MHz to 51 975 MHz 52 MHz to 67 975 MHz 68 MHz to 87 975 MHz Figure 4 1 PRC1077 Replacement Parts Battery Box Transceiver Case Protective Power Cap Protective BNC Cap Protective Antenna Cap Power Knob Channel Knob Tuning Knob kHz Tuning Knob kHz Function Knob kHz Volume Knob Hinge Captive Screw Protective Dual Audio Cap Tuning Knob MHz ...

Страница 48: ...for ordering replacement parts Part Number Description 610080 A Protective dual audio connector cap 610085 Protective BNC cap 610087 A Protective antenna cap 610088 Protective power cap 819909 Captive screw 891027 Tuning knob MHz kHz Power knob Function knob 891028 Volume knob 894102 Battery box CY 2562 894104 Transceiver case 919107 Hinge ...

Страница 49: ...stations station B and station C that want to communicate Stations B and C cannot communicate directly because of obstructions in the line of sight path between each other As an alternative station B can get a message to station C using station A as a relay Station B transmits a message to station A who writes down the message then transmits the message to station C This process can be reversed to...

Страница 50: ... frequency to any station within reception range enabling two way communications between any two stations on the network The PRC1077 can be programmed with separate transmit and receive frequencies making it capable of semi duplex operation through a repeater Radio Relay Procedures For radio relay operation use the MK 456 Retransmission Cable Kit to connect to the relay transceiver and follow the ...

Страница 51: ...and the transmitter frequency is the same as the repeater receiver frequency 3 Program a different channel with the same frequencies as the repeater that is the transmit and receive frequencies are exactly the same as the repeater This channel can be used to contact other stations directly instead of going through the repeater 4 Position the two repeater transceivers 50 feet apart at as high an el...

Страница 52: ...X PRC1077 RADIO SET 3 CHOKE BOX 50 FT SHIELDED CABLE 48 FT AUDIO HANDSET OR AUDIO ACCESSORY FOR MONITORING PRC1077 RADIO SET 4 CX 4656 GRC see NOTES 1 and 4 CONNECTOR see NOTE 3 F1 see NOTE 2 F2 see NOTE 2 NOTES 1 Part of MK 456 GRC 2 Frequencies F1 and F2 selected for non interference 3 Connect cable to Audio connector 4 Radio sets 2 and 3 at relay site are separated by full length 50 ft of CX 46...

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