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daniels mt-3 manual

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daniels mt-3 manualRadio Communications. It looks like most of the Daniels stuff is now listed as Discontinued. Their equipment is very pricey by ham standards, the system monitor card alone I don't have that in hand yet. MT-2 equipment which can be downloaded here as a 7.7 MB PDF file. Very nicely detailed, with theory of operation, alignment instructions, typical These modules would be rather difficult Daniels was ICM has not been able to temp-comp the Daniels TCXO modules and Bomar won't sell the There is a By close examination of the. TCXO, I can see Daniels used several temp-sensing resistors connected to temperature To change the individual components they need a The modules then slide out with The rear of the rack offers two connections More info on this in the subrack document. All are PDF files. It's stored at our sister-site VR-3 by Gary Hendrickson W3DTN Converting the high-split transmiter and receiver to low-split for the two-meter All Rights. Reserved, including that of paper and web publication elsewhere. A22-VAP130 AM Audio Processor Version 04. All rights reserved. No part of this publication may beElectronics Ltd.Issue: 3. Issue Date. Printing Date. Part No. Previous Issue: 2. December 98. Previous Issue Date: March 98Victoria, BCQuality Assurance. Larry Freeman. Name. Signature. DateThe design of this equipment is subject to change due to continuousMT-3 AM Transmitter Main Board Instruction ManualMT-3 AM Transmitter Main Board Instruction ManualThe MT-3 AM Transmitter Main Board integrates the MT-3 Front Panel Board, MT-3 AM Audio. Processor, Synthesizer or Crystal Control module and Amplifier module together to make aFront Panel Board and the Audio Processor are soldered directly to the Transmitter Main BoardPower and signal connections areManual, form the transmitter enclosure.General. Type. MT-3 AM Series Transmitter. Compatibility. VT-3A Series Amplifier, OCT-3 Crystal Oscillator, OST-3. Frequency Synthesizer. Modulation:Operating Temperature Range.http://ashrayacharity.org/userfiles/ex-taq-manual.xml

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• daniels mt-3 manual, 1.0, daniels mt-3 manual.

Operating Humidity. Operating Voltage. Front Panel Control. One 3 position switch. PTT Activation. PTT Time-Out-Timer. Selectable from 1 sec. to 8 hrs. (factory set 5 min.).Audio Input:Audio Response. Audio Distortion:Switch SW1 on the Front Panel Board is a DPDT switch which controls the operation of theWhen SW1 is in the. When SW1 is in the 'KEYED' position,R3, R4, R9, and R10 while diodes D1 and D2 provide overvoltage protection for U1a. The PTT. WTO signal output from U1a is 'AND'ed with the MIC PTT WTO by U2a. When either the PTT. WTO or the MIC PTT WTO is activated the output of U2a goes low which triggers theThe TOT's output is 'AND'ed with the. MIC PTT NTO signal (U2c) and the PTT NTO signal (U2d). When any one of the precedingPins B14 and Z14 of the backplane connector are the PTT NTO input. When the PTT NTO signal. As long as the PTT NTO. The transmitter is disabled when. R7, R8, R9, and R10 while diodes D3 and D4 provide overvoltage protection for U1b. The PTT. NTO signal is 'AND'ed with the output of U2c (MIC PTT NTO signal 'AND'ed with the TOTQ7 which switch power to the various modules.The transmitter's PTT circuitry can be completely isolated by installing RELAY1. Jumpers J2 to. J4 configure the relay to provide an isolated PTT input for either the PTT WTO line or PTT NTOThe transmitter board will acceptThese relays are DPDT, single side stable, and have coil. Only one set of relay contacts are used to activate the. PTT circuitry, the other set of contacts are brought out to the backplane connector. To configure the isolated input for PTT WTO operation jumpers J2, J4 must be in the 'y'position. J3 must be in the 'x' position. In this mode, pins B10 and Z10 no longer function as the PTT. WTO input; however, pins B14 and Z14 continue to function as the normal PTT NTO input.J3 must be in the 'y' position.http://cargolift-bg.com/userfiles/ex-10-manual.xml In this mode, pins B14 and Z14 no longer function as the PTT NTOPin B24 on the backplane connector is an open drain output (Q9) which is pulled low anytime theA crystal controlled transmitter does not have aQ9, an N-channel. MOSFET capable of sinking currents up to 2 Amps, is activated by Q8 which is activated by the. Qualified PTT signal (JS2-6) of the synthesizer or crystal control module. The Qualified PTTVT-3A Amplifier Module (JP1-1).The PTT voltage switching circuitry is comprised of transistors Q1 through Q7 and the associatedWhen the transmitter is keyed, Q1 is turned off and subsequently transistors. Q3, Q4, and Q6 are turned on. Transistors Q3, Q4, and Q6 provide three different functions. J18 are configured the transmitter's standby mode will change.The VT-3A130 Transmitter has four different standby modes that trade-off standby currentThe standby modes are determined by three jumpers: jumper J6The actual current and start-up time may depend on the frequncy controlled source (crystal orThe current and start-up times given below are representativeSynthesized - typically 13 mA. Crystal Controlled - typically 6 mACrystal Controlled - typically 40 msSynthesized - not used in this mode. Crystal Controlled - typically 6 mACrystal Controlled - typically 40 msSynthesized - typically 19 mA. Crystal Controlled - typically 11 mACrystal Controlled - typically 8 msSynthesized - typically 163 mA. Crystal Controlled - typically 23 mACrystal Controlled - typically 8 msAll of the audio signal conditioning (e.g. limiting, filtering) is performed by the MT-3 AM Audio. Processor. The transmitter board routes the audio lines from the backplane connector to the audioIt is here that the MICThe audio processor's balanced input pins are isolated from pins B18 and Z18 by a transformerAmplifier.Normally the audio from a transmitter's microphone is transmitted by that transmitter; however, the. Transmitter Main Board can be configured by the MIC IN and MIC OUT lines so that the audioThe configuration of the MIC IN (pin Z4) and. MIC OUT (pin B4) lines on the MT-3 Transmitter Board are controlled by jumpers J16 and J17Normally thePin B20 is the audio input from the transmitter's corresponding receiver. The default setting forRX AUDIO line.Eight backplane connections are used to communicate with the synthesizer unit. Pins D28, D30,Channel select lines (pins D20, D22. D24, and D26) are used once the synthesizer is programmed to select one of 16 channels. If theFSW1 (most significant), FSW2, FSW3, and FSW4 (least significant). Since the resultingTransmitter Manual or to the channel designation tables for that particular transmitter.The crystal control module is a direct replacement for the synthesizer module and therefore uses theA frequency multiplication factor, described in the manual for this module, relates the crystalThe enable line (JP1-1) is activeJumpers J12, J13, J14, and J15 are not installed.The MT-3 Front Panel Board is a subsection of the MT-3 AM Transmitter Board which is used toThe main purpose of the board isJumper J1, located on the rear of theMIC PTT NTO no time-out-timer (factory setting). MIC PTT WTO with time-out-timerGeneral. The MT-3 AM Audio Processor is a versatile circuitboard that can provide several types of audioThe audio processor can be configured for continuous audio standby or for switched audio standbyIf fast audio risetime is desired, the transmitter should be operatedThe input signals are combined by R2 and R17 at a compandor U1. U1b controls the input level and makes gain inversely proportional to the input level (say a 20 dBThe output will remain fixed at aThe variable gain cell in U1a is used as a voltage-controlledThe gain control can be adjust byThe output signal is adjusted by the pot R9.The PTT time-out-timer (TOT) is a relatively independent circuitry located on the TransmitterThe TOT input is normally high and in this state the timer is disabled.If the time-out period is exceeded, the TOT inputThe time-out duration is jumper selectable from 1 second to 8 hours. The table below shows theThe standard factory setting of 5 minutes isTransmitter alignment is simplified by using an M-3 Subrack, SM-3 System Monitor, and RFB30, Z30, B32, and Z32. Transmitter balanced audio (600 ?) is available at pins B18 and Z18.MT-3 Transmitter modules are mainly made up of surface mount devices which should not beRemoval and replacement of surface mountTo ease troubleshooting and maintenance procedures, Daniels Electronics Limited has adopted aFor example. All PCB's manufactured by Daniels Electronics are identified by one of the above conventions. When removing Surface Mount Solder Jumpers, it is recommended to use solder braid in place ofThis will help prevent damage toAlignment of the complete transmitter requires the following test equipment or its equivalent. It isDual Power Supply. Current Meter. Fluke 97 Scopemeter. Fluke 75 MultimeterVSWR 3:1 mismatch load. Alignment Tool. Marconi Instruments 2955RIt is recommended that the radio communications test set be frequency locked to an externalStandard factory settings and the associated jumper configuration for each module of the. MT-3 AM series transmitter are given below.The MT-3 AM Transmitter Main Board is factory configured as follows. The corresponding jumper settings are:Optional relay configuration. Optional relay configuration. Transmitter standby mode select - Mode 3. Audio processor standby mode select. Not applicable. Microphone configuration. Microphone output line. Synthesizer or crystal module standby mode selectNot applicable. AM Modulation mode. TOT configurationTOT configuration. TOT configuration. TOT input. TOT power supply. TOT output. MT-3 AM Audio Processor Factory Configuration. The MT-3 AM Tx Audio Processor is factory configured as follows:The corresponding jumper settings are:Automatic Modulation Control enabled. Modulation configuration. Automatic Level Control enabled. Time-out-time power supply (optional). Voice application. Power AMC and Microphone enabled. MT-3 AM Transmitter Board Alignment. General. Before proceeding with the transmitter alignment, check that the appropriate jumpers are installed. The standard jumper configuration for the Transmitter Main Board, given in section 3.4.1, isIn a standard configuration, the only alignmentThe switch settings for the desired channelIf the transmitter is using a crystalModule Installation and Removal. Installation of the Enhanced Synthesizer or Crystal Controlled Oscillator module is facilitated byWhen the four pins are aligned with theirThe module should be pulled straightVerify the standard factory settings for the MT-3 AM Audio Processor as given in section 3.5.2If the transmitter's channelLocate the Tx Audio Board.Set the audioThis step verifies the correct operation of the ALC.This step verifies the correct operation of the AMC.Remove the signal source and replace all the screws.The following are the MT-3 AM series. Transmitter backplane connections to the M-3 Motherboard. Pin. P i n Name. P i n NameChannel Select 1. Channel Select 2. Channel Select 3 (MSB). Synth Tx Data (Output). Synth Rx Data (Input). Synth Bootstrap (Input)B20 Squelched,De-emph Audio. B22 Subtone Input 1. B24 PTT Output. B26 Forward Power Sense. B28 Monitor Out. B30 Ground. B32 GroundZ20 Squelched, Flat Audio. Z22 Tx Audio Control. Z24 Subtone Input 2. Z26 Reverse Power Sense. Z28 Direct Mod Input. Z30 Ground. Z32 GroundOnly)AM TransmitterMainDiagrams. Board Instruction ManualComponent Component. Side SM LayoutBOARD No. DWG No:J15 yyComponents Not InstalledLayout. DesignationsBOARD No.:Board Instruction ManualSense. Sd. GndC22 2.9VdcMC33172 27k4InstalledU2dErrorInstalledBOARD No.: 43-920917MT-3 Front Panel Board Component Layout. Factory Installed Solder Jumper. Solder Jumper On Solder Side Of PCB.Microphone. Input Level. AdjustAutomatic. Modulation. Control Input. AdjustBalanced. AdjustModualtion. Control Output. AdjustNo: VAP130AT2BBoard Instruction. ManualAutomatic Modulation ControlU1aLevel AdjustOutputU2 cMod outputOutput AdjustControl Input AdjustU2 bU1 bBalanced Input. Level AdjustU1aRef. Design. Description. Part No.RES, SM, 27K4 0805, 1 100ppm. RES, SM, 1K0 0805, 1 100ppm. RES, SM, 27K4 0805, 1 100ppmSM, 10uF TANT, 20, 35V. SM, 10uF TANT, 20, 16V. SM, 100nF CER, 0805, X7R. SM, 10nF CER 0805 X7R 50V. SM, 47uF TANT, 10, 16V. SM100nF CER,0805,X7R,50V. SM100nF CER,0805,X7R,50VDesign. Part NoRES, SM, 27K4 0805, 1 100ppm. RES, SM, 27K4 0805, 1 100ppm. RES, SM, 221K0 0805, 1 100ppm. RES, SM, 100K0 0805, 1 100ppm. RES, SM, 10K0 0805, 1 100ppm. RES, SM, 68K1 0805, 1 100ppm. RES, SM, NOT INSTALLED 0805, 1 100ppm. RES, SM, 82K5 0805, 1 100ppm. RES, SM, 15K0 0805, 1 100ppm. RES, SM221k 0805, 1, 100ppm. RES, SM, 1k00 0805, 1, 100ppm. RES, SM, 68k1 0805, 1, 100ppm. RES, SM, 27k4 0805, 1, 100ppm. RES, SM, 221k 0805, 1, 100ppm. RES, SM, 100k 0805, 1, 100ppm. RES, SM, 10k0 0805, 1, 100ppm. RES, SM, 15k0 0805, 1, 100ppmRES, SM, 221k 0805, 1, 100ppm. RES, SM, 1k00 0805, 1, 100ppmDesign. Part No.Description. Qty. CABLE, SMB-SMB PLUG, RG316,12cm. CABLE, SMA-SMB PLUG, RG188,15cm. CABLE, SMA PLUG-PLUG, RG188, 19 cmNUT PRESS, M2.5, 5.6mm OD, PC MNTPart No. Qty.Ref. Desig. Part No.Ref. DesignCAP., SM, 4.7nF CER., 1206, X7R. CAP., 470nF FILM, MMK5,10,63V. CAP., SM, 680nF TANT., 10, 35V. CAP., SM, 100nF CER., 0805, X7R, 50. CAP., SM, 10nF CER., 0805, X7R. CAP., SM, 4.7uF TANT., 10, 16V. CAP., SM, 2.2uF TANT., 20, 20V. CAP., SM, 1.0nF CER., 0805, X7R, 50V. CAP., SM, 100nF CER., 0805, X7R, 50V. CAP., 4.7nF FILM, MMK5, 10, 63V. CAP., 2.2nF FILM, MMK5, 10, 63V. CAP., SM, 330pF CER., 0805,C0G. CAP., SM, 220pF CER., 0805,C0G. CAP., SM, 1.0uF TANT., 20, 35V. CAP., SM, 680pF CER., 1206,C0G. CAP., SM, 150pF CER., 0805,C0G. Part No.Design. Part NoRES., SM, 20K0 0805, 1,100ppm. RES., SM, 49K9 0805, 1,100ppm. POT., SM, 50K0 4mm SQ, 50K, 11T,SIDE. RES., SM, 30K9 0805, 1,100ppm. RES., SM, 100K0 0805, 1,100ppmRES., SM, 10K0 0805, 1,100ppm. RES., SM, 27K4 0805, 1,100ppm. RES., SM, 18K2 0805, 1,100ppm. POT., SM, 100K0 4mm SQ, 100K,11T,SIDE. POT., SM, 5K0 4mm SQ, 11T,SIDE. RES., SM, 10K0 0805, 1,100ppm. RES., SM, 470K0 0805, 1,100ppm. RES., SM, 5K11 0805, 1,100ppm. RES., SM, 39K2 0805, 1,100ppm. RES., SM, 3K48 0805, 1,100ppm. RES., SM, 51K1 0805, 1,100ppm. RES., SM, 15K4 0805, 1,100ppm. RES., SM, 82K5 1206, 1,100ppm. RES., SM, 3M30 0805, 5,200ppm. RES., SM, 681R0 0805, 1,100ppm. RES., SM, 47K5 0805, 1,100ppm. RES., SM, 51K1 0805, 1,100ppmMarch 98Added land pattern to the PCB for R21. June 98. Processor Electrical Parts List.Corrected the drawing numbers on the Transmitter layout and schematicPDF Version: 1.3. Linearized: No. Create Date: 2000:04:06 10:08:58. Producer: Acrobat Distiller 4.0 for Macintosh. Modify Date: 2000:04:06 11:03:07-07:00. Page Count: 40. No part of this publication mayIssue. Part No.:Previous Issue. September 98. Previous Issue Date: July 97. Month YearVictoria, B.C.This document has been produced, verified and controlled in accordance with. Daniels Electronics’ Quality Management System requirements. Please report any errors or problems to Daniels Electronics’ Customer Service. DepartmentThe design of this equipment is subject to change due to continuousVT-3H040 VHF Enhanced Transmitter Instruction ManualVT3H040 VHF Amplifier Instruction Manual.The VT-3H040 transmitter is a low power, synthesized FM transmitter capable of operating inMHz. The transmitter is rated for continuous duty at an RF output power of 3.0 Watt. The RFA modular design allows each of the transmitter'sThis facilitates construction, tuning,The synthesizer module can be programmedThe VT-3H040 Transmitter is designed to interface with Daniels Electronics' MT-3 Repeater. System while maintaining MT-2 System compatibility. Both radio systems are characterized byThe organization of this manual reflects the modular makeup of the VT-3 product line. EachThe module manuals are as follows.Synthesizer Instruction Manual covers models from 29 MHz to 512 MHz). Transmitter Manual: This manual provides an overview of the complete transmitter, manualMT-3 Transmitter Main Board: This manual pertains to the audio processor module, transmitter. Main Board and Front Panel Board. Most of the user selectable options are accessed within the. Transmitter Main Board module, including channel selection. Since all external connectionsThis manual is intended primarily as aOS-3H040 Synthesizer: This manual pertains to the synthesizer module. Channel selection isVT-3H040 Channel Designation Table: This document relates operating frequency to theThe VT-3H040 line of transmitters has a single RF power output rating of 3.0 Watt, with wideThe frequency is determined by the model of synthesizer and by the lowpass filter that isConsult the factory forThe following is a general set of specifications for the generic VT-3H040 transmitter. AdditionalType. MT-3 Series Transmitter. Family:MT-2 Series and MT-3 Series Radio Systems. Frequency Range:RF Power Output:System Impedance:Duty Cycle. Harmonic Emissions. More than 90 dB below carrier. Spurious Emissions. More than 80 dB below carrier. Transmitter Mismatch Protection:Transmitter Alarm. Forward power sense and reverse VSWR;Modulation:Channel Spacing. Frequency Stability. Channel Selection. In 5 kHz or 6.25 kHz increments selected throughPreset capabilityBoard Instruction Manual)DOC Type Approval. RSS119 Issue 6. FCC Type Acceptance. Parts 22, 90 FCC ID: H4JVT-3H040-S. Operating Temperature Range. Total Transmit Current:Front Panel Controls. NORM (repeat mode), OFF, and KEY TX (Tx on). Active to ground with or without time-out timer. Microphone activated with or without time-outFront Panel switch: KEY TX - without time-outIsolated (optional relay) with or without time-outPTT Time Out Timer. Selectable from 1 sec. to 8 hrs. (factory set 5 min.).Audio Input. Balanced 600 ohm or unbalanced (optional). Input level sensitivity, -25 dBm to 0 dBm. Audio Response:Flat Audio Response. Audio Deviation. Subtone Audio Input 1:Subtone Audio Input 1 Frequency range:Subtone Audio Input 2:Subtone Audio Input 2 Frequency range. DC to 150 Hz. Direct Modulation Input. Direct Modulation Frequency range. DC to 5 kHz. Audio Distortion. Less than 2.5 THD; 1 kHz tone at 1.5 kHz or. Hum and Noise. Better than 55 dBPhysical Dimensions. Width. Height. Depth:Module Weight:Corrosion Prevention. Anodized aluminum construction. Stainless steelGold platedModule Design. Compact Eurostandard modular design. Plug-inExternal Connections. RF Connection: type N connector located on theMotherboard. Connections (Audio, Power, and Control) are madeUser connectionType F standard connectorHandle Text Colour. Orange.With: Version 1.8 FM Audio Processor Board or. Version 2.3 FM Audio Processor Board. No part of this publication may be reproduced, storedPrinting Date. Issue. Apr 2003. Previous Issue Date: Nov 98. Previous Issue:Victoria, BCQuality Assurance:Signature. DateThe design of this equipment is subject to change due to continuousTransmitter Main Board Instruction ManualTransmitter Main Board Instruction ManualIntroduction.2-15. Version 2.3 FM Audio Processor Block Diagram.2-17. Factory Configuration.2-18. Turn-on Time.2-19. Low Frequency Modulation.2-19. Audio Processor Signals.2-20. Black Box - Modem 325 During development of the GC Controller, a Black Box Modem 325 was used to test modem communications with the GC unit. Then the custom initialization string you provide is sent. In this manner, MON200 0 sets the modem paramete rs that it req u ires, while you can customize the modem's operation to respond to special conditions. Once the optimum modem initializa tion string has been determined, it should need no further revision unless a different brand or m odel of modem is installed. To make these settings for the modem at the GC Controller, you will need to use a terminal program (such as ProCo mm o other commercial modem soft ware) to input the “AT” commands to the modem before connecting it to the GC Controller. If compression is turned ON with ATC1, or OFF with ATC0, then the modem at other end should match. The DiskOnChip provides additional expanded memory for archiving data, instead of having to purchase a memory expa nsion board assembly. The BOS file in the DiskOnChip may be upgraded in the field through MON2000. The COM4A bo ard provides four addition al serial ports (COM5 through COM8).Remove those screws first. (b) Then carefully lower the front panel on its bottom hinges. The front panel is heavy, so make sure it does not drop and cause damage. (c) For the rack mount Controller, t he rear of the enclosure is op en; it allows access for most field wiring procedures without removing the enclosure. 2. Locate the GC Controller's Terminal Board for Field Wiring (TB). The TB is attached to the GC Controller's card cage assembly, facing the enclosure's front panel. (In the rack mount Controller, the TB faces outward toward the rear of the enclosure.) 3. Loosen the six screws that secure the TB. Then unplug the TB from its connections at the back, top of the board. SERIOUS PERSONAL INJURY OR DEATH POSSIBLE Before removing the unit cover from the GC Controller, make certa in the power supply switch is OFF and the AC power cord is disconnected. Observe all safety precautions when you are working in a hazardous environment. Failure to observe all safety pre cautions could result in serious inju ry or death. This ex poses the Card Cage Assembly. 5. Loosen the four screws that secure the C ard Cage Assembly to the chassis. Then remove the Card Cage Assembly away from its chassis mount so that it is easy to work on. 6. Locate the System Interface and Driver board. This board is not used on the 2350A GC Controller. This board is not us ed on the 2350A GC Controller. 11. Remove any other optional boards, such as memory expansion boar ds and associated cables. This board is used on the 2350A basic configuration. 13. Change the fuse in the in-line fuse holder from 1 amp to the 2. 5 amp, Slo-Blo fuse provided. Remove those screws first. SERIOUS PERSONAL INJURY OR DEATH POSSIBLE Before removing the unit cover from the GC Controller, make certain the power supply switch is OFF and the AC power cord is disconnected. Observe all safety precautions when you are working in a ha zardous environment. Failure to observe all safety precautions could result in serious injury or death. The front panel is h e av y, s o m a k e s u r e i t d o e s n o t d r o p a n d cause damage. The DIP switch is located on the lower left side of the front panel (see Figure G-2). Figure 2-2 Explosion-Pr oof Controller Dip Switch For rack mount and panel mount Controllers, use a flat head screw driver to remove the access panel on the right side of the card cage assembly ( see Figure 2-3 ). Figure 2-3 Right Side View Rack and Panel Mount Unit s 18.Table 2-5 Dip Switch Se ttings Switch Positions COM ID 12 3 4 5 1 ON OFF OFF OFF OFF 2 OFF ON OFF OFF OFF 3 ON ON OFF OFF OFF 4 OFF OFF ON OFF OFF 5 ON OFF ON OFF OFF 6 OFF ON ON OFF OFF 7O N O N O N O F F O F F 8 OFF OFF O FF ON OFF RAM CLEAR Dip Switch Setting Positions 8 Clears RAM when unit is powered down ON Keeps RAM data when unit is powered down OFF This provides access to COM3 on J10 and COM4 is dedicated for use as a serial interface to the keyboard and display. COM4 will not be available at J11 of the Field Termination board. The serial port setup in the MON2000 Software for COM8 must be configured as Front Panel.Remove those screws first. (b) Then carefully lower the front panel on its bottom hinges. The front panel is h e av y, s o m a k e s u r e i t d o e s n o t d r o p a n d cause damage. (c) For the rack mount Controller, the rear of the enclosure is op en; it allows access for most field wiri ng procedures without removing the enclosure. 2. Locate the GC Controller's Terminal Board for Field Wiring (TB). The TB is attached to the GC Controller's Card Cage Assembly, facing the enclosure's front panel. (In the rack mount Controller, the TB faces outward toward the rear of the enclosure.) 3. Loosen the six screws that secure the TB. SERIOUS PERSONAL INJURY OR DEATH POSSIBLE Before removing the unit co ver from the GC Controller, make certain the power supply switch is OFF and the AC power cord is disconnecte d. Observe all safety precautions when you are working in a hazardous e nvironment. Failure to observe all safety precautions co uld result in se rious injury or death. This ex poses the Card Cage Assembly. 5. Loosen the four screws that secure the Card Cage Assembly to the chassis. Then remove the Card Cage Assembly aw ay from its chassis mount so that it is easy to work on. 6. Locate the System Interface and Driver board. Connect the CPU cables as detailed in Sect ion 6.3 Basic 2350A Configuration. (f) Install the DB9 conne ctor from COM5 to P22 on the Field Termination board with jackpost assemblies. (g) Install the DB9 conne ctor from COM6 to P23 on the Field Termination board with jackpost assemblies. (h) Install the DB9 conne ctor from COM7 to P24 on the Field Termination board with jackpost assemblies. Select Front Panel from the Usage pull-down menu ( see Figure 2-6 and Figure 2-7 ). Figure 2-6 Serial Port 4 with COM4A Board Figure 2-7 Serial Port 8 with COM4A Board Remove those screws first. (b) Then carefully lower the front panel on its bottom hinges. Then unplug the TB from its connections at the back, top of the board. 4. Lower the TB down and out of the way, held in place by its ground straps at the bottom of the board. This ex poses the Card Cage Assembly.Then remove the Card Cage Assembly away from its chassis mount so that it is easy to work on. 6. Locate the System Interface and Driver board.No software setup is required for this board. 7. To use an existing Modem (1414): (a) For operation with the 2350A CPU, set the Standard 1414 Modem jumpers per the following table: (b) On the 2350A WinSystems CPU, set J21, pin 13-14.Remove those screws first. (b) Then carefully lower the front panel on its bottom hinges. The front panel is h e av y, s o m a k e s u r e i t d o e s n o t d r o p a n d cause damage. (c) For the rack mount Controller, the rear of the enclosure is op en; it allows access for most field wiri ng procedures without removing the enclosure. (d) Locate the GC Controller's Terminal Board for Field Wiring (TB). The TB is attached to the GC Controller's Card Cage Assembly, fa ci ng the enclosure's front panel. (In the rack mount Controller, the TB fa ces outward toward the rear of the enclosure.) 2. Loosen the six screws that secure the TB. Then unplug the TB from its connections at the back, top of the board. 3. Lower the TB down and out of the way, held in place by its ground straps at the bottom of the board. This ex poses the Card Cage Assembly. 4. Loosen the four screws that secure the C ard Cage Assembly to the chassis. Then remove the Card Cage Assembly away from its chassis mount so that it is easy to work on. If you are using the CSA app roved Radicom modem; ensure that it is the top car d in the card cage assembly. The connection configurati on of the Radicom modem requires installation at the top of the assembly. For the rack mount Controller, the rear of the enclosure is open; it allows access for most field wiring procedures without removing the enclosure. Ensure you have a pre-e xisting PC connection to the GC unit before installing the external modem. If the GC unit is already on location, do this via another remote operator connection, or, onsite, via use of a portab le PC and serial cable. Ideally, configure the GC unit and install the external modem prior to plac ement at the remote location. Note: You cannot set the Serial Ports parameters from t he GC unit front panel.) SERIOUS PERSONAL INJURY OR DEATH POSSIBLE Before removing t he unit cover from the GC Contro ller, make certain th e power supply switch is OFF and the AC power cord is disconnected. Failure to observe all safety pre cautions could result in serious inju ry or death. Click the button to exit and return to the main screen without applying your changes. Table 2-9 Optional Program Settings Setting Function Editing replaces exi sting text in tables If enabled, replaces selected table cell entry with user input. If disabled, appends user input to end of the selected table cell entry. Prompt to confirm discard changes Display confirmation dialog before exiting a dialog that contains changed data. Prompt to confirm save changes Display confirmation dialog before saving changed data. Synchronize GC Controller’s time to PC on download, etc. Program the GC Controller clock to match the PC clock upon download.