PTG-10 Operations Manual
Contents
1. 2 1 PTG 10 Operations Manual Raytheon Plainly mark with indelible ink all mailing documents as follows GOODS RETURNED FOR REPAIR Mark all sides of the package FRAGILE ELECTRONIC EQUIPMENT Inspect the package prior to shipment to be sure it is properly marked and securely wrapped 2 4 Installation Overview Three quick and simple steps are needed to properly install the PTG 10 These steps are 1 Provide mechanical mounting for the unit 2 Provide the proper DC power for the unit 3 Interconnect the unit with the communications system via the unit s JP1 connector The PTG 10 is then ready to begin normal operation 2 5 Installation Considerations Careful attention to the following installation suggestions should result in the best unit system performance Figure 2 1 provides overall unit dimensions The PTG 10 must be installed in a structure that provides both protection from the weather and assurance of ambient temperatures between 10 and 55 degrees C Since the unit is neither splash proof nor corrosion resistant it must be protected from exposure to salt spray NOTE The PTG 10 is designed to be mounted in a standard EIA 19 wide rack by means of attaching the unit to the rack on either side or bolting three units together to span the entire rack Screws are provided in the accessory kit for securing the unit to the rack via the front panel 2 6 Power Requirements The PTG 10 is designed to operate from 112. 2 7 1 Jumper SCULNGS inner A 2 2 2 7 2 Potentiometer Adjustments usisain sise 2 3 2 8 INTERCONNECT INFORMATION a a a ER ia 2 3 2 8 1 Input and Output Connections Plus Power and Ground 2 3 2 9 SETTING LEVELS mui eue AE C M EE 2 3 3 OPERATION PESE ETE 3 1 3 1 CENERAL 3 1 3 2 OPERATIONAL INDICATORS sacs env erede ka peo nc E Foe ka oa pue EE aha NEESS ka pe PER ape dentarias 3 1 3 2 1 Power Md MR 3 1 3 2 2 ere M E d E eru 3 1 3 3 OPERA ION NER RU u 3 1 4 THEORY ge RTE 4 1 4 1 ETE E EE 4 1 4 2 TONE CIRCUIT WEE 4 1 4 3 POWER SUPPLY Eegen eege ege eegen Ee eegen aiii 4 1 3 MAINTENANCE AND REPAIR tco Ee EE 5 5 1 EE EEN 5 1 3 2 PREVENTIVE MAINTENANCE cine t serai ela vea Se NNN ENEE teli ne esee SE 5 1 5 3 REPAIR OR REPEACEMENT 5 5 a esee edle vea evte NEESS leu sse s etes Seet 5 1 5 3 1 General Precautions and Notes 5 1 0 UENDEX ee reno ln ete E dan E 6 1 1 3 PTG 10 Operations Manual Rayt heon List of Figures FIGURE 2 1 OUILINE DIMENSIONS 2252 toute en 2 5 FIGURE 2 2 LOCATIONS OF INDICATORS AND ADJUSTMENTS ccccccccecccecececeeececececececececececececeeececeeeceeeeeceeeceeeeeeess 2 6 FIGURE 5 1 CIRCUIT DIAGRAM Lacie 5 2 FIGURE 5 2 CIRCUIT DIAGRAM EEN 5 3 FIGURE 5 3 WARING DIAGRAM 3555545 Ut 5 4 FIGURE 5 4 BLOCK DIAGRAM Lun
3. is functioning correctly 32 2 Tone Indicator This amber LED situated next to the Power Indicator LED is illuminated whenever the unit is receiving an active COR signal high signal for COR input low signal for COR input and as a result is outputting a pilot tone 3 3 Operation Once this unit is connected to the system and the levels are properly adjusted the device will operate on its own and requires no user intervention 3 1 PTG 10 Operations Manual Rayt heon Blank Page 3 2 Raytheon PTG 10 Operations Manual 4 Theory of Operation 4 1 General This section gives enough detail about the theory of operation in regard to the audio and power supply sections to allow them to be trouble shot in the field 4 2 Tone Circuit Refer to Figure 5 1 Terminal block JPlinterfaces all inputs and outputs between the PTG 10 and the outside world Receiver Audio enters the unit at terminals 4 RX In and 1 or 7 ground This audio is routed to a mixer amp where it can be mixed with a pilot tone The tone oscillator circuit generates the pilot tone A microcontroller circuit outputting data to a D A converter generates the pilot tone The tone is produced using an ATMEL AVR Mega8L micro controller The Mega8L reads the status of the tone selector switch SW1 and constantly monitors both the COR and COR input When either an active low signal is detected on the COR input or an active high signal is detected at the COR input the Meg
4. side of a printed circuit pc board denotes the side of the board on which the majority of components are mounted The solder or circuit side refers to the side opposite the components 5 1 PTG 10 Operations Manual Raytheon JP1 8 7 6 Balanced Output B 5 KK Balanced Output A 4 I Unbalanced Input s al SE Header 8 Mixer Overall Level Tone Level Amp Adjust AMBER Adjust 4 to 20dB Gain TONE PRESENT 25 to 9dB Gain SW 1 TONE SWITCH Mega 8L RS 232 i DB 9 COR Micro Controller B O 12VDC O 5VDC vin 5 Volt Regulator Q 200 ISP HEADERS Vin 10 Volt JP4 JP5 Converter Figure 5 1 Circuit Diagram 1 Raytheon RF Test Tone Generator PTG 10 Operations Manual DC Input 8 e Unbal Audio Out B gt Receiver 3 To Voter Unbal Audio Out A 10r7 AC Volt Meter Figure 5 2 Circuit Diagram 2 5 3 Raytheon PTG 10 Operations Manual PTG 10 JP1 12VDC Input GND Balanced Output B Balanced Output A Unbalanced Input COR Input COR Input GND D oO A 0 OO N o Header 8 Balanced Outputs Wired to Voter Input Unbalanced Input Wired to Radio Receiver Audio Output COR Input Wired to Receiver s COR or COS Line low signal creates tone COR Input Wired to Receiver s COR or COS Line high signal creates tone Figure 5 3 Wiring Diagram 1 54 Raytheon PTG 10 Opera
5. to 15 VDC Power consumption is 0 5 VA typical 2 7 Configuring the PTG 10 This section explains how to set and adjust all internal jumpers and potentiometers 2 7 1 Jumper Settings There are two tone frequencies available depending on the setting of SW1 Placing the switch in position 0 will produce a 2175 Hz tone position 1 will produce a 1950 Hz tone 2 2 Raytheon PTG 10 Operations Manual 2 7 2 Potentiometer Adjustments The PTG 10 has two factory set potentiometers See Figure 2 1 Overall Adjust R8 is set so that a 10 dBm input will produce a 0 dBm output Pilot Adjust R4 is also set for 0 dBm output These settings are made with a 600 ohm load across output pins JP1 4 and JP1 5 Both potentiometers can be re adjusted to fit specific applications The SNV 12 voter will work best with the pilot tone at the same level as the overall audio The SNV 12 will completely notch out the pilot tone so that the tone will never be heard at the console or re transmitted Also the high relative pilot tone level ensures that the voter will easily detect it even when there is a large amount of high frequency roll off in the line from the receiver to the voter When adjusting the overall receiver audio level make sure that one of the COR inputs is activated If not the pilot tone will be mixed with the receiver audio during the adjustment The simplest method is to ground pin 3 of JP1 COR to remove the pilot tone Note tha
6. 12 disallows use of that voting input until voice is received from the distant receiver or until the pilot tone returns The PTG 10 is capable of injecting either of two user selectable pilot tones 1950 Hz or 2175 Hz The module is 6 84 x 2 42 x 1 2 and is enclosed in a metal box suitable for mounting to 1 1 PTG 10 Operations Manual Raytheon any flat surface or to a standard 19 rack The mounting tabs are designed such that bolting three units together side by side will span the standard 19 size rack System interconnections are made by wiring to a screwdriver type terminal block Audio input from the receiver is unbalanced while audio output to the voter is configured for 600 Ohm balanced operation The terminal block has provisions for a COR input either positive logic COR or negative logic COR power input 11 to 15 VDC and ground Two LEDs are provided One indicates the when a pilot tone is being mixed the other is a power indicator The pilot tone level and the audio output level voice plus pilot tone are independently adjustable 1 2 2 Circuitry and Block Diagrams Refer to Figure 5 1 JP1 is the terminal block that interfaces all inputs and outputs between the PTG 10 and the outside world Audio enters the unit from a receiver at terminal 4 with respect to ground terminals 1 and 7 This audio is mixed at the mixer amp with the tone produced by the tone oscillator Tone frequency selection is made using switch S
7. K ohms unbalanced Output Impedance 600 ohms balanced Frequency Response Conservatively rated 50 to 20 kHz 2 dB Tone Frequencies 1950 Hz or 2175 Hz switch selectable Tone Stability 2 Hz The following are referenced to 0 dBm output Receiver Audio Input Range 30 to 4 dBm variable Pilot Tone Output Level 20 to 9 dBm variable General Indicators LED Indicators Power On Tone Present Front Panel Controls Power On Off Switch Size 6 84x2 42x1 19 Weight 0 5 Ibs Environmental Operating Temperature 20 degrees C to 55 degrees C Storage Temperature 40 degrees C to 85 degrees C Humidity Up to 95 at 55 degrees C Shock MIL STD 810D method 516 3 procedure VI Vibration MIL STD 810D method 514 3 Category I Table 1 2 EQUIPMENT AND ACCESSORIES SUPPLIED Qty Item Part Number 1 PTG 10 5970 900000 1 Operation amp Maintenance Manual 5970 900200 1 Accessory Kit 5970 900150 Accessory Kit consists of Qty Item Part Number 4 Washer Flat Nylon 0848 100001 4 Screw 10 32x3 8 0837 103200 2 Nut 10 32 0828 103200 2 Split Washer 10 32 0851 100000 1 3 PTG 10 Operations Manual Rayt heon Blank Page Raytheon PTG 10 Operations Manual 2 Installation 2 1 General This section provides the instructions for unpacking inspection installation and set up A
8. Raytheon PTG 10 Operations Manual Installation and Operation Manual PTG 10 Pilot Tone Generator Designed and Manufactured by Raytheon 5800 Departure Drive Raleigh NC 27616 P N 5970 900200 Revision 3 1 January 2009 PTG 10 Operations Manual Raytheon Warranty JPS Communications warrants its manufactured equipment to be free from defects in materials and workmanship and to conform to published specifications for a period of 18 months from the date of shipment from the factory or 12 months from installation whichever occurs first JPS warrants its service work performed in connection with this warranty to be free from defects in materials and workmanship for a period of 90 days from the date the work is performed If a defect occurs within the warranty period the buyer shall notify JPS immediately JPS will repair or replace the equipment at its option upon return of the equipment shipping prepaid to the JPS facility in Raleigh North Carolina USA This warranty does not apply to damage caused by accidents abuse or improper installation NO OTHER WARRANTY EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SHALL APPLY NOTICE Raytheon reserves the right to make changes to the equipment and specifications without prior notice PROPRIETARY STATEMENT The information contained in this manual is the property of Raytheon and is inte
9. W1 Placing the switch in position 0 will yield a 2175 Hz tone Position 1 will yield a 1950 Hz tone The pilot tone and receive audio tones are sent the final amp stage which controls the output level The output is sent to a matching transformer for balanced 600 Ohms When the unit receives a COR signal on terminal 2 or a COR signal on terminal 3 the tone is removed from the audio chain When the unit receives a COR signal positive or negative the yellow COR led will illuminate The balanced output is sent to pins 5 and 6 of JP1 1 2 3 Mechanical Assembly Please refer to Figure 2 1 This drawing shows the front of the unit with rack mount tabs on each side plus the drawing shows the side top and bottom views The rack mount tabs enable the unit to be bolted to one side either side of unit of a standard 19 rack possibly on the rear of the rack behind other equipment Another option is bolting three of the units together side by side this will span the standard 19 rack enabling mounting to the rack at both ends The unit consists of a C shaped top cover that is attached by two screws to the main chassis The circuit board is secured to the chassis via four standoffs 1 2 4 Function and Operation Please refer to Figure 5 4 The PTG 10 enables two conductors to carry both an audio signal and a COR signal The PTG 10 can also function as a line proving tone to insure the integrity of the audio link The tone produced by the PTG 10 wi
10. a8L produces the pilot selected via switch SW1 The Mega8L generates the proper asynchronous serial data sync line and clock for the D A to produce the analogue equivalent to the outputted data The D A output is then sent to a Sallen Key Butterworth filter to remove all of the composite harmonic energy The result is a clean sine wave at the selected frequency The output of the filter circuit is sent to the tone level POT R4 The tone level is adjustable from 20 dBm to 9 dBm via R4 this level can be measured at test point TP4 The tone is now mixed with the receiver audio in an op amp mixing circuit U2A where it is routed to the output stage consisting of an inverting amplifier with a level control in the feedback loop The output of the mixer circuit can be observed at test point TP2 The value of this pot in the feedback loop is balanced with the value of the input resistor to give a range of 30 dB from 30 to 4 dB of gain The balanced output is sent to pins 5 and 6 of JP1 The final output can be seen with an oscilloscope on test point TP1 4 3 Power Supply Power is fed into the unit via pin 8 of JP1 and ground on pins 1 and 7 this is shown on Figure 5 1 and Figure 5 3 The input power needs to be in the range of 11 to 15 VDC for the unit to function The input voltage is filtered and then sent in three directions First the input voltage is sent directly as 12 VDC nominal actual range is 11 to 15 VDC It s also sent to a five v
11. ll be notched out in the voter Two LEDs allow status monitoring A green LED indicates if the system is getting power and an amber LED indicates when the system is mixing a pilot tone with the throughput RX audio The unit will accept either positive or negative logic Whenever the PTG 10 COR inputs gate the pilot tone When COR is inactive the PTG 10 outputs pilot tone This audio plus pilot tone signal can be sent to a voter via a microwave link leased lines or twisted pair 1 2 5 Power Supply Power is fed into the unit via pin 8 of JP1 and ground on pins 1 and 7 this is shown on Figure 5 1 and Figure 5 3 The unit produces three different voltage supplies 12 VDC 5 VDC and 10 VDC Under normal conditions the system should draw approximately 40 mA The input is reverse polarity protected If the power polarity is accidentally reversed the unit will not operate but it will not be damaged 1 2 Raytheon 1 2 6 Limitations PTG 10 Operations Manual The PTG 10 audio input is single ended rather than balanced to match the RX output signal of many receivers The PTG 10 should be placed near the receiver so that the common mode rejection that a balanced link provides 1s not needed on the input signal In contrast the unit s audio output 1s balanced as the output 1s likely to be sent over a long distance Table 1 1 Electrical DC Input Power Input Impedance SPECIFICATIONS 12VDC ranging from 11 to 15 VDC 40 mA 50
12. lso included are directions for reshipment of damaged parts or equipment 2 2 Unpacking and Inspection After unpacking the unit retain the carton and packing materials until the contents have been inspected and checked against the packing list If there is a shortage or any evidence of damage do not attempt to use the equipment Contact the carrier and file a shipment damage claim A full report of the damage should also be reported to the Customer Service Department The following information should be included in the report 1 Order Number 2 Equipment Model and Serial Numbers 3 Shipping Agency 4 Date s of Shipment The Customer Service Department can be reached by phone at 919 790 1011 by fax at 919 790 1456 Upon receipt of this information we will arrange for repair or replacement of the equipment 2 3 Reshipment of Equipment If it is necessary to return the equipment to the manufacturer a Returned Material Authorization RMA number must first be obtained from us This number must be noted on the outside of the packing carton and on all accompanying documents When packing the unit for reshipment it is best to use the original packaging for the unit if this is not possible make sure that adequate packing material is used to prevent excessive shocks during transport and handling Shipment should be made prepaid consigned to Raytheon Customer Service Department 5800 Departure Drive Raleigh North Carolina 27616 USA
13. nded for the purchaser s use only It may not be reproduced without the express written consent of Raytheon Raytheon 5800 Departure Drive Raleigh NC 27616 Phone 919 790 1011 Fax 919 790 1456 1 2 Raytheon PTG 10 Operations Manual Table of Contents I GENERAL INFORMA TION ves tcscscssdeccsenscesdevecevedseteteedseveceocdensatedoussdveddepsanedstvodvocsensatedenseaedsepsadedssveceodsapsaredornte 1 1 1 1 SCOPE ee A 1 1 1 2 DESCRIPTION TR TU D T TP titine 1 1 1 2 1 2 7417 RE 1 1 1 2 2 Circuitry and Block Diagrams repere Ep p EH M pe e HEX RR Ree nn cuc FERES 1 2 1 2 3 Mechanical ASSEMDIY EE 1 2 1 2 4 EE 1 2 L2 Power SUPPLY EC 1 2 1 2 6 EE 1 3 2 ANSTALGATION EE 2 1 2 1 GENERAL ee ee ee 2 1 2 2 UNPACKING AND INSPECTION cs0c csecsscssscevevecsecsecsvecevevecsevsevscecsbevecsectecsvscebevsssessevsvssebevessnctevessvebevesss 2 1 2 3 RESHIPMENT OF EQUIPMENT 3 esee eee eo arl eeE Cree o ERE rete ees ddeuacedeededs sasubeceregenesesacebee SERGE 2 1 2 4 INSTALEATION OVERVIEW 22 5 5 1 29 630 95016 0 etant ES 2 2 2 5 INSTALLATION CONSIDERATIONS ccccccecececececececececececececececececececececececececececececececececececececececececesesesecess 2 2 2 6 POWER REQUIREMENTS 5 elato rice eee eo vtov REESEN eee REO ENTE see 2 2 2 7 CONFIGURING THE PT G O r 2 2
14. ne enr de ac 5 5 e List of Tables TABLE 1 1 SPECIFICATIONS ae 1 3 TABLE 1 2 EQUIPMENT AND ACCESSORIES SUPPLIED 1 3 TABLE 2 1 JPI INPUT OUTEUT CONNECTOR ciao 2 4 1 4 Raytheon PTG 10 Operations Manual 1 General Information 1 1 Scope This instruction manual provides the information necessary to install operate repair and maintain the PTG 10 Pilot Tone Generator 1 2 Description 1 23 4 General In an LMR voting system receivers are strategically placed throughout a geographic area at voting sites to fill in dead spots where portable radios cannot normally be heard by other portables by the repeater or by the dispatcher The audio from each receiver is linked to the voter which continuously compares the signals from all receivers and passes through the best quality signal to the dispatcher or to the local repeater In this way any portable in the voting area can be heard by the dispatcher or by any other portable through the local repeater In this system it is necessary to transfer a receiver s COR or COS Carrier Operated Relay or Carrier Operated Squelch signal to the voter from a remote receiver site COR is an indication that the receiver has broken squelch the voter needs this information to know which receiver site or sites are currently unsquelched and therefore receiving a valid input signal The PTG 10 Pilot Tone Generator Module produces a controlled pilot tone that transfers the COR signal from a remote receive
15. occcccoccnononcnnnannnno 2 9 S COPE 25 nr da 1 5 Setting Levels sn eec ees 2 11 T Theory of Operation 4 17 Tone Circuit eon Rer eem 4 17 U Unpacking and Inspection 0 0 ce eeeeeseeeeeeeneees 2 9 PTG 10 Operations Manual Rayt heon Blank Page 6 2
16. olt regulator and to a positive to negative converter producing 10 VDC The positive to negative converter works as follows the incoming 12 VDC is inputted into a 555 timer chip The output is a 12 VDC square wave the square wave is sent to a diode pump made up of CRI and CR2 The diode pump working in combination with C27 a 470 uF cap forms a 10 VDC supply Under normal conditions the unit should draw approximately 40 mA 4 1 PTG 10 Operations Manual Rayt heon Blank Page 4 2 Raytheon PTG 10 Operations Manual 5 Maintenance and Repair 5 1 General This section gives enough detail about the theory of operation in regard to the audio and power supply sections to allow them to be trouble shot in the field 5 2 Preventive Maintenance There are no preventive or periodic maintenance requirements for this equipment 5 3 Repair or Replacement The repair or replacement of damaged and or defective parts generally requires techniques that are standard in the industry Carefully examine the equipment to determine the most correct and least time consuming method required to make the repair 5 3 1 General Precautions and Notes 1 Disconnect power from the unit before attempting any repair or replacement of components 2 Replace defective connectors only with identical items 3 Carefully observe lead dress and component orientation when repairing circuits Keep component leads as short as possible 4 Reference to the component
17. om the receiver so that the receiver squelches then adjust R4 for the desired tone level 2 3 PTG 10 Operations Manual Raytheon Table 2 1 JP1 Input Output Connector Eight way screw driver terminal block Pin Signal 1 Ground 2 COR Input 3 COR Input 4 Unbalanced Audio Input 5 Balanced Audio Output A 6 Balanced Audio Output B 7 Ground 8 11 to 15 VDC Power Input 2 4 Raytheon PTG 10 Operations Manual 6 84 5 24 D FTS MU gt a Nu 1 19 NOTES A 19 RACK MOUNT SLOTS 45 X 25 DIA B OPTIONAL MOUNTING HOLES 166 DIA Figure 2 1 Outline Dimensions 2 5 PTG 10 Operations Manual ib Le e or qd WO en C e oom zzzeao 26552225 lt 00 S 235899 POWER G 225 x ei a TONE PILOT ADJ 0 OVERALL ADJ JPS Communications PTG 10 PILOT TONE GENERATOR P N 5970 900000 Raytheon Figure 2 2 Locations of Indicators and Adjustments 2 6 Raytheon PTG 10 Operations Manual 3 Operation 3 1 General This section contains information and instructions required for proper operation of the PTG 10 3 2 Operational Indicators 32 1 Power Indicator This green LED which can be viewed through a slot in the top cover is illuminated whenever the unit s main power is on and the power supply circuitry
18. r site to a voter The PTG 10 transfers the COR signal over the same path as the receive audio eliminating the cost of a second communications path for the COR signal Audio output an AC signal exits a receiver through one pair of wires and the COR a DC logic signal exits the receiver on another wire making it impossible to carry both the audio and the COR on the same audio pair The PTG 10 converts the COR signal to a tone which is mixed with the audio from the receiver removing the need for a COR line The PTG 10 works by injecting a pilot tone on the audio line whenever the associated receiver is squelched and removes the tone whenever the receiver is unsquelched When the receiver used in the voting application detects carrier receives a signal it unsquelches and issues a COR signal to the PTG 10 When the PTG 10 receives a COR signal the tone is removed from the audio link and the receiver audio is passed through the link to the voter The pilot tone from the PTG 10 can also function as a line proving tone to insure the integrity of the audio link in the following way the removal of the pilot tone on the link notifies the voter to begin looking for voice signals from the voting receiver If the voter doesn t sense voice coming from the receiver within a programmed time it faults that particular voting site on the assumption that either the voting receiver is not functioning or the link is broken between the receiver and the voter The SNV
19. t the overall level adjust R8 controls the levels of both the receiver audio and pilot tone As set at the factory the pilot tone is at the same level as the receiver audio level If only R8 is readjusted the pilot tone will maintain the same relative level If audio levels different from the factory settings are required always set the overall level first with R8 then adjust the relative pilot tone level with R4 2 8 Interconnect Information 2 8 4 Input and Output Connections Plus Power and Ground All external connections are made via wires that enter the unit through a grommet located on the side of the chassis The wires are connected to JP1 as shown in Table 2 1 2 9 Setting Levels The unit is factory set for the audio input level from the receiver to be 10 dBm and the audio output level of the PTG 10 to be 0 dBm The PTG 10 is also factory set for the pilot tone level to be 0 dBm Below is the procedure for setting the levels of the receive and pilot tone audio on the PTG 10 Please refer to Figure 5 2 Connect the receiver audio to the PTG 10 as shown Either COR or COR may be used The COR input produces a tone when a high signal is present COR produces a tone when a low input signal is present 2 Place a 1 kHz reference test tone 3 kHz deviation wideband 1 5 kHz narrowband into the receiver antenna input 3 Adjust R8 for the desired audio output level measured across pins 5 and 6 4 Remove the test tone fr
20. tions Manual MICROWAVE LINK SIGNAL Distant PTG 10 Receiver SITE 1 SITE 2 Distant SIONAL PTG 10 Receiver Leased Line or Two Conductor Audio Line Figure 5 4 Block Diagram 1 5 5 PTG 10 Operations Manual Rayt heon Blank Page 5 6 Raytheon PTG 10 Operations Manual 6 INDEX A Address 2 Ea o di te 2 9 C Circuitry and Block Diagrams 1 6 Configuring the PTG 10 sss 2 10 COR Indiceator 3 15 D Description oae e eie es 1 5 F Function and Operation 1 6 G General Information ees 1 5 General Precautions and Notes 5 1 I Input and Output Connectors Plus Power and Ground eee nee 2 11 Installation Considerations 2 10 Installation Overview eee 2 10 Interconnect Information 2 11 J Jumper Settings nn 2 10 L Limitations e 1 7 6 1 M Maintenance and Repair 5 1 Mechanical Assembly A 1 6 O DEED eio tte O 3 15 Operational Indicators 0 0 0 0 eee eeeeeeeseeeeeeeeeeeeee 3 15 P Potentiometer Adjustments 2 11 Power Indicator eee 3 15 Power Reourementg eee 2 10 Power Supply sse 1 6 4 17 Preventive Maintenance 000 0 eceeeeeeeeeeeeeeeees 5 1 R Repair or Replacement sess 5 1 Reshipment of Equipment oooooonccn
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