Motorola GR300 Marine Radio User Manual
Contents
1. A MOTOROLA Radius GR300 ZR310 Community Repeater Panel Service Manual 6880902Z68 C March 1993 Table Of Contents ZR310 Community Repeater Panel Section 1 Introduction Overview Standard Configuration System Functions User Functions Physical Description Section 2 Installation Overview Equipment Required For Installation Installation Procedures Assembly Install the ZR310 into the GM300 Fan Installation Initial Turn On Diagnostic Commands Programming Section 3 Operation Overview Basic Operation TPL Tones and DPL Codes User Validation Enabled Users Co Channel Protection Regenerated TPL DPL CSQ Carrier Repeat Reserve Users When a User Unkeys Radio Morse Code Station Identification Reserve Mode Courtesy Tone Barge in Privacy Mode Repeater Hang Time Encode During Transmit Hold Time Stuck Mic Timeout Timer Anti Kerchunker Filter Accessory PTT Encode Repeater Set up Knockdown March 1993 6880902Z68 O Table Of Contents Table Of Contents ZR310 Community Repeater Panel Section 4 Theory of Operation Overview Circuit Description Microprocessor Serial Communications TPL DPL Decoding DTMF Decoding TPL Encoding DPL Encoding Beep Tone Encoding Squelch Repeat Audio CSQ Input Section 5 Maintenance Overview Preventive Maintenance Visual Inspection Cleaning Diagnostic Commands Disassembly Removal Top Cover Removal Troubleshooting Section 6 Programming Ov2. This mode is to disable a user for seasonal use or a possible no pay condition A reserved user will keep the tone active in the repeater preventing other co channel repeater operators from seeing the tone as available NOTE Before reserving a user you must enable that user Receive Rx Squelch Decode The ZR310 can decode all 50 TPL tones and up to 20 DPL codes The TPL user numbers are 1 50 and they have fixed frequencies The DPL user numbers are 51 70 Each of these user slots in the database can decode any valid DPL code so you must set the digital code number When you set the DPL decode number the ZR310 will automatically set the encode to the same DPL code Refer to Table 6 3 for TPL tones DPL codes Station ID Call Sign A station ID call sign is a Morse code ID assigned to a particular user This ID may be eight characters long and may be any combination of numbers or letters You can program an individual Morse code ID for each user number The first time the user unkeys the ZR310 sends the Morse code ID If the user keys up again voice communications may occur during the ID The ID is sent at 30 deviation and a selectable speed from 4 to 25 default is 22 words per minute meets FCC Part 90 regulations With System Programming you can set the ID tone frequency from 400 to 2000 Hz so that it does not interface with paging or other tone signalling on the channel You can set the ID interval from 1 99 minutes Yo
3. accessory may need the ZR310 to encode a particular TPL tone or DPL code in order to communicate with a specific user group The ZR310 includes a programmable Accessory PTT encode setting to accomplish this function Whenever an accessory keys the transmit radio the ZR310 disables the repeater transmit hold time until 30 seconds of no accessory transmit has expired March 1993 6880902Z68 O Section 3 3 Section 3 Operation Repeater Set up Knockdown The system operator may remotely enable or disable the ZR310 operation When in knockdown state the ZR310 effectively disables the transmit radio Refer to Programming section DTMF Command Descriptions System Commands Repeater Set up Knockdown March 1993 6880902Z68 O Section 3 4 Section 4 Theory of Operation Overview This section provides the experienced technician with a thorough understanding of the ZR310 circuits and their operation This information will aid the technician in troubleshooting the equipment Circuit Description Use this detailed circuit description in conjunction with the schematic diagrams in the back of the manual Microprocessor To ensure an orderly power up sequence to microprocessor U1 and its peripheral devices the active low reset signal is not brought up until the 12 vdc supply has stabilized Zener diodes CR5 R22 C28 and U4D accomplish this task The delayed reset also gives crystal Y1 time to stabilize An additional reset input comes from
4. at 30 deviation FCC part 90 rules so that voice communication still occurs during the voice ID NOTE If the Morse ID is not programmed or the first character is programmed as a space no ID is sent You can program a single system ID for use in co op and private carrier applications March 1993 6880902Z68 O Section 3 2 Section 3 Operation Reserve Mode If the user is in the reserve mode when unkeying a chirp is sent This chirp gives a positive indication of active reserve mode Courtesy Tone The ZR310 will next check to see if the user requires the courtesy beep If so then it sends the beep one second after the transmit radio unkeys The beep frequency can be sent from 400 to 2500 Hz default setting is 1000 Hz If the user is a 400 Hz tone just after the GR300 unkeys potential failure has been detected Barge In Privacy Mode Finally the ZR310 continues checking for TPL DPL If the last user is set for privacy mode then no other users will be allowed on the system until the transmit hold time repeater tail expires Repeater Hang Time The programmable repeater tail or transmit hold timer is adjustable from 0 0 to 25 0 seconds When the user radio unkeys the ZR310 begins monitoring for valid TPL DPL tones to be received If a valid user is not detected within a specified timeout period the IPL decode shuts off or the DPL turn off code is sent if it was previously on After a 0 2 second delay the transmit
5. housing March 1993 6880902Z68 O Section 5 1 Section 5 Maintenance NOTE In order to have enough room to move the fan assembly around and to remove the ZR310 you will have to cut the cable tie wrap Make sure that you obtain another cable tie wrap for use when reassembling the GR300 4 Using a T25 torx screwdriver remove the two M5x0 8x8 machine screws that secure the ZR310 to the repeater housing 5 Remove the ZR310 from the repeater housing 6 Disconnect the transmit and receive radio repeater cables from the transmit and receiver connectors Top Cover Removal To remove the top cover from the ZR310 for inspection of components and to make necessary adjustments perform the following steps 1 Using a 1 Phillips screwdriver remove the four 4 40x3 16 flathead machine screws 2 Remove top cover Troubleshooting There are two forms of troubleshooting e Finding problems with the ZR310 system operations The troubleshooting charts provided in Table 2 2 will aid in resolving these system issues e Repair ofa defective ZR310 An experienced technician with the commonly available test equipment the schematic diagram located in the back of this manual and the PC overlays should have no difficulty finding the problem area and faulty component s The ZR310 schematic diagrams provide the circuit detail for isolating malfunctioning components The troubleshooting charts provides Before proceeding with troubleshooting
6. radio PTT is dropped This method removes the second squelch tail heard by the mobiles when the user radio unkeys Encode During Transmit Hold Time When a valid user unkeys the TPL or DPL encode may be left on or turned off during the transmit hold time This feature is programmable for each user When using a control station phone patch through the repeater you should turn off the encode during transmit hold Turning off the encode allows the phone patch to distinguish whether the mobile has unkeyed or the repeater has dropped off the channel When using the repeater for dispatch only you may leave the encode on during the transmit hold time to keep the mobile decoders open This feature eliminates the decode delay observed in the mobile between transmissions Stuck Mic Timeout Timer While the Gm300 mobile radios are conversing through the repeater a timeout is running If a mobile does not unkey within the time period double beeps are sent and the transmit radio PTT is dropped Anti Kerchunker Filter The anti kerchunker filter cancels the transmit hold time or repeater tail and drops the transmit radio immediately if a mobile transmission is less than the programmed anti kerchunker time This discourages customers from clicking kerchunking the PTT just to hear the transmit radio Accessory PTT Encode An Accessory device such as a tone remote or local microphone may key the transmit radio and take over control of the repeater The
7. transferred through pin 12 of U4 then is buffered with the same RIB interface circuit The RIB interface baud rate is connected by the baud clock output on pin 6 of timer U15 This baud clock output is applied to the microprocessor U1 bit clock input on pin 10 TPL DPL Decoding Unquenched discriminator receive audio passes through unity gain stage U18B then gets low pass filtered by U18C and U18A This removes the voice component from the audio The U18D and the R66 C63 filters make up a zero crossing detector which applies the resulting digital signal to the microprocessor on pin 17 The microprocessor performs the actual decoding for the TPL tones and DPL codes using proprietary digital signal processing techniques DTMF Decoding The mobile audio from the receive radio discriminator passes through unity gain stage U18B then low pass filtered by U16C Finally the signal is presented to the DTMF encoder decoder U10 U12A is used to switch the audio to the DTMF decoder between receiver audio and a DTMF telephone plugged into the programming socket J1 When a telephone or any low impedance is plugged into J1 U16B will sense the voltage drop across RP7D and switch the audio to the DTMF decoder March 1993 6880902Z68 O Section 4 1 Section 4 Theory of Operation TPL Encoding Two signals are used for TPL generation e Clock frequency at the exact TPL rate from the microprocessor e Clock frequency at 64 times the TPL rate from the timer mo
8. you make sure that the jumpers inside the GM300 transmit and receive radios were set to the correct positions Refer to table 2 2 2 Place the ZR310 on the top shelf of the GR300 repeater housing allowing the rear panel to be partially exposed 3 Connect the receive radio repeater connector to the ZR310 Receive connector Figure 2 1 4 Connect the transmit radio repeater cable to the ZR310 Transmit connector 5 Position the ZR310 so that its mounting screw holes are aligned with the corresponding mounting holes on the repeater housing 6 Using a T25 Trox screwdriver secure the ZR310 to the repeater housing using two M5x0 8x8 machine screws 7 7 One end of the equipment power cable has only one connector Connect it to the top connector on the power supply Figure 2 2 8 The other end of the equipment power cable has two connectors Connect one of these connectors to the receive radio and the other to the transmit radio 9 Connect the lower frequency radio to the LOW port on the rear of the duplexer Figure 2 3 10 Connect the higher frequency radio to the HIGH port on the rear of the duplexer Figure 2 3 11 Thread the grounding nut onto the grounding lug CAUTION To avoid damage to cable tabs and radio components install cables with locking tabs up March 1993 6880902Z68 O Section 2 1 Section 2 Installation Figure 2 3 Duplexer Rear Vievv March 1993 6880902Z68 O Section 2 2 Section 2 Installation Fan
9. 2000 Morse ID interval Speed and Frequency You can program the Morse Code station identification in frequency interval and speed The following table outlines the programmable range and the default settings of each Table 6 3 Station ID Programming era Programmable Range requency 400 2000Hz 1200Hz nterval Speed 725 wpm Each user on the ZR310 has its own independent station ID timer that is accurate to one second per interval When the station ID is sent the timer is reset The call is transmitted on the first dispatch message after the timer has expired During normal dispatch the minimum character speed will be 15 wpm This allows the List functions using Morse code as a format to be sent at very slow speed while maximizing airtime use during normal dispatch Courtesy Tone Frequency The courtesy tone is used for courtesy tone and prompt beeps It is programmable in frequency from 400 to 2500 Hz and the default setting is 1000 Hz A possible reason to change the frequency could be to differentiate between co channel repeaters to know which repeater site is active System ID User Number A user number may be assigned as the System ID user number so that the repeater will identify every ID interval 1 to 99 minutes Before sending the System ID the following conditions must be met e The system ID interval timer must expire adjustable 1 to 99 minutes e The ZR310 must be inactive TPL DPL Decode LED off e The S
10. 6880902Z68 O Section 1 3 Section 2 Installation Overview This section explains how to install the ZR310 community Repeater Panel into the GR300 and complete the cable connections that were started in the Installation section of the GE300 Maintenance Manual If you require access to the indicators jumpers or other components refer to the Maintenance section for disassembly procedures Equipment Required For Installation The following equipment is required for installation a communications service monitor and ONE of the following a hand held or mobile radio with DTMF encode capability a DTMF telephone a PC capable of running the Motorola radio service software RSS an ANSI terminal communications program Installation Procedures If you have followed the installation procedures found in the Installation section of the GR300 main manual the GR300 is assembled Now you need only to install the ZR310 finish the required cable connections reinstall the fan assembly and perform the required tests and adjustments To identify the parts and their corresponding call outs refer to Figure Assembly Perform the following steps to install the ZR310 into the GR300 housing and to complete cable connections The RF and repeater cables should already be connected to the radios if you installed them according to the Installation section of the GR300 Maintenance Manual Install the ZR310 Into the GM300 1 STOP Before going any further did
11. F number 2 Press the key Some commands require additional numbers i e cross tone encoding NOTE If you make an error while entering a number the key function as a clear entry key Commands are grouped in three main categories e System Commands e User Commands e Diagnostic Commands Each command is described under DTMF Command Descriptions on page 6 8 A quick reference commands summary is shown in the tables in Appendix A If you are familial with DTMF commands you may skip this section and program the ZR310 using the information given in Appendix A For commands identified with uu you may enter the user number to program a single user To program all users 1 70 at once enter 99 as the user number March 1993 6880902Z68 O Section 6 15 Section 6 Programming Program Mode Access Code The following paragraphs describe the system user and diagnostic commands available for the ZR310 when programming over the air or via telephone These include the options available with RSS programming For detailed information about each option refer to the paragraphs under Programming Via Radio Service Software RSS on page 6 1 Enter each command as described in the Programming Over The Air on page 6 7 System Commands Repeater Set up Knockdown The system operator may remotely enable set up or disable knockdown the ZR310 operation When in Knockdown state the ZR310 effectively disables the transmit radi
12. Installation Perform the follovving steps to reinstall the fan assembly in the repeater housing Due to a limited amount of space in the back of the repeater housing you must connect the power cable before installing the fan To free both hands for easier installation of the power cable you may want to rest the fan assembly on top of the repeater housing 1 Connect the fan assembly power cable between the bottom connector of the power supply and the fan assembly connector that extends out the rear refer to Interconnect Cabling Diagram 2 Side the yellow lead of the fan assembly power cable containing the thermistor into the thermistor clip Figure 2 4 ded ae K ny ao Xa T 2 Figure 2 4 Thermistor Clip 3 Using a Torx screwdriver secure the thermistor clip to the mounting hole located on the transmit radio heat sink with a M5x0 8x8 taptite screw Figure 2 5 March 1993 6880902Z68 O Section 2 3 Section 2 Installation MS Taptite a x Repeater Thermistor Cable lt N Figure 2 5 Transmit Radio Rear View Locate the cable tie wrap supplied with the GR300 March 1993 6880902Z68 O Section 2 4 Section 2 Installation Figure 2 6 Section 2 5 6880902Z68 O March 1993 Section 2 Installation GR300 Housing Kit HLN8391_ DS DT DT IES DE Screw Machine 632x998 Table 2 1 Receive Radio Jumper Settings GM300 16 Channel Models GM300Jumper PECK ZR310 ZR320 ZR330 is0R
13. JU661 JM Table 2 1 Transmit Radio Jumper Settings GM300 16 Channel Models GM300 Jumper R I C K ZR310 ZR320 ZR330 TUSSI EET EES RS EE JUSSI TOTO Da 5 a a x _ 4 Bundle the cables with the cable tie wrap 5 Dress the cables so they don t extend out the back of the GR300 6 Position the fan assembly 1 in the repeater housing 2 7 Align the set of mounting screw holes on the rear of the fan assembly with the corresponding mounting holes on the repeater housing 8 Using a T15 Torx screwdriver and four M3 5x0 6x6 taptite screw 3 secure the fan assembly to the repeater housing 9 Verify that all screws are tight and all cables have been connected properly Refer to the Interconnect Cabling Diagram located in the back of the manual March 1993 6880902Z68 O Section 2 6 Section 2 Installation NOTE You will not install the front plate of the repeater housing until you have completed all tests and adjustments under the heading Tests and Adjustments Initial Turn On The following steps describe the process of turning on the ZR310 for the first time 1 Remove protective covers from both radios LED displays 2 Connect the power cable into a 115 230Vac power source NOTE The 115 230 switch on the bottom of the power supply must be in the position corresponding to the power source You should have done this during the GR300 basic assembly 3 Turn on the power supply The unit is on when the red
14. PL tones and any combination of the 20 DPL codes For information on how to enable or disable a user refer to the programming section of this manual Enabled Users When the ZR310 detects an enabled TPL tone or DPL code it will check to see if the user is enabled or disabled A disabled user is ignored and is not repeated Co Channel Protection For each user you can select co channel protection on off If the ZR310 detects an enabled TPL DPL user when co channel protection is transmitting it will check to see if a carrier is present on the repeater transmit channel If the transmit channel is busy possibly due to paging or other activity not present on the repeater receive channel the ZR310 will protect the channel and wait for it to clear before keying the transmit radio The co channel protection feature determines whether or not the ZR310 has priority on the channel March 1993 6880902Z68 O Section 3 1 Section 3 Operation Regenerated TPL DPL CSQ When you key the transmit radio depending on the programming the ZR310 will e Encode nothing for carrier squelch e Regenerate the received TPL ton or DPL code Encode a different TPL tone or DPL code cross tone encoding Carrier Repeat The ZR310 can also be configured as a carrier repeater or sometimes called an open repeater In this mode any activity on the receive radio causes the transmit radio to key The ZR310 can also provide tone control TPL DPL and open rep
15. denotes an error If the programming radio switches slowly from transmit to receive possibly due to a keypad interdigit transmit hold time you may program a delay before sending the prompt tones see the Mic Hold command Although you do not have to wait for each prompt tone before entering the next command because all commands are internally buffered we recommend that you listen for the corresponding tones NOTE At any time while programming the unit if no DTMF key is pressed for 90 seconds the ZR310 will exit program mode automatically Entering the Program Mode The transmit radio remains keyed during the program mode to keep other radios from trying to access the system and interface with programming A command is provided to unkey the transmit radio diagnostic commands and if this command is selected the radio will key only to send prompt tomes March 1993 6880902Z68 O Section 6 14 Section 6 Programming The following steps describe how to enter the programming mode 1 Enter a program mode access code 2 Press the key NOTE The default access code is 12310 3 Listen for three chirps which indicate proper access Exiting the Program Mode The following steps describe how to exit the program mode 1 Enter 99 2 Press the key 3 Listen for the ringing prompt tone which confirms that you have exited program mode Entering a Command The following steps describe how to enter a command 1 Enter a DTM
16. dule These signals are fed into a switched capacitor low pass filer U17 then sent to the transmitter DPL Encoding For generating DPL signals the microprocessor sends the digital code out its pin 9 Data inversion is done inside the microprocessor if required The timer module produces a high frequency clock signal that is fed into the low pass filter U17 Operation is very similar to TPL encoding described above Beep Tone Encoding Timer U15 generates progress tones Morse ID warning beeps etc Square wave output is filtered and summed at the transmit audio junction U11D then it passes through the output buffer amp to the transmitter audio input at P2 2 Squelch Repeater Audio The repeat audio is passed through input unity gain stage U18B the audio hi pass filter U11 and U11A to remove the TPL Digital encode de emphasized by the R29 R30 C34 network and finally to squelch gate U12B and U12C The microprocessor controls the squelch gate The repeat audio is summed at the transmit audio junction U11D then passes through the output buffer amp to the transmitter audio input at P2 2 CSQ Input From the 8 or 16 channel GM300 radio U4B and U4F are used to select the CSQ input connection and polarity The COR logic signal is presented to the microprocessor input port pin 20 March 1993 6880902Z68 O Section 4 1 Section 5 Maintenance Overview This section contains information and procedures that will enable the technician to p
17. e to 1200 Hz System ID User 1 Enter 208 2 Enter the user number uu 0 70 where 0 off Example 208 49 Sets user 49 as the system user Station ID Frequency 1 Enter 206 2 Enter the frequency ffff in Hz Example 206 1000 Set station ID frequency to 1000 Hz Station ID Interval 1 Enter 205 2 Enter time tt in minutes 1 99 Example 205 15 Set station ID interval to 15 minutes March 1993 6880902Z68 O Section 6 17 Section 6 Programming Station ID Speed 1 Enter 207 2 Enter speed ss in words per minutes 4 25 Default 22 Example 207 15 Set station IS speed to 15 minutes March 1993 6880902Z68 O Section 6 18 Appendix A DTMF Commands Table A 1 DTMF System Commands 201 t Set stuck mic timeout timer to t minutes t 1 9 minutes 202 tt Set anti kerchunker filter timer to t t seconds tt 0 1 5 0 seconds 0 disable Set station ID interval to tt tt 1 99 minutes Set station ID tone frequency to ffff Hz ffff 400 2500 Hz Set station ID speed to ss WPM ss 4 25 WPM Set system ID user number to uu u 0 70 0 off 214 aaaaa Set program mode access code aaaaa aaaaa 0 32000 2814 tH Set Mic DTMF hang time to t seconds 300 Repeater Knockdown 99 Exit Program Mode Table A 2 DTMF User Commands 110 uu Disable user number uu u 1 70 115 uu Enable user uu s co channel busy protect eft Pira ns ame ea P 120 uu Disable user uu s TPL DPL encode du
18. eater operation simultaneously In other words users that have no encode CSQ repeat just like users that have TPL or DPL encode This allows a mix of TPL DPL users with one repeat capability and is ideal when upgrading TPL DPL users to an existing open repeater channel To enable carrier repeat a user number is identifies as the carrier repeater user This allows all standard user programmable features for open repeat including enable disable for the carrier user TPL or DPL encode encoding courtesy tone etc If the user number is set to 0 no catrier repeater is available Reserved Users If a user is reserved the repeat audio will be squelched an a beep tone sent on the transmit audio when the user tries to use it A chirp tone is sent when the user unkeys to indicate reserve mode When a User Unkeys Radio When a user radio unkeys or the TPL DPL is no longer detected the ZR310 will take some actions The following paragraphs describe possibilities of that action Morse Code Station Identification When an enabled user unkeys the ZR310 checks how long it has been since the last time the station ID has been sent If the time has been longer than the Morse ID interval time initially 15 minutes user programmable 1 99 minutes then the ZR310 sends the call sign Each user group has its own call sign and individual ID interval timer The Morse ID is sent at the selected ID speed of between 4 and 25 words per minute The call is sent
19. erview Programming Via Radio Service Software RSS Getting Started Programming the Repeater Reading the Transmitter Radio Reading the Receiver Radio Configuring the System System Programmable Fields Program Mode Access Code Morse ID interval Speed and frequency Courtesy Tone Frequency System ID User Number Carrier Only Repeat Open Repeater Accessory PTT TPL DPL encode Anti Kerchunker Timer Timeout timer March 1993 6880902Z68 O Table Of Contents Table Of Contents ZR310 Community Repeater Panel User Programmable Fields Enable a User Reserve a User Receive RX Squelch Decode Station ID Call Sign Transmitter Hang Time TPL DPL Encode During Transmitter Hang Time Privacy Mode Barge In Courtesy Tone View All Users Radio Parameters Low Battery Alert Customizing Your Accessories Programming Over The Air Entering the Program Mode Exiting the Program Mode Entering a Command Program Mode Access Code DTMF Command Descriptions System Commands Repeater Set up Knockdown Stuck Mic Timeout Timer Mic DTMF Hang Time Carrier Repeat CSQ User Courtesy Tone System ID User System ID Frequency System ID Interval System ID Speed Anti Kerchunker Timer Accessory PTT Encode Program Access Code User Programmable Features Enable a User Disable a User Transmitter Hang Time Reserve a User Translate Tone Set Encode Tone Transmit Squelch Codes TPL Encode During Transmit Hang Time Privacy Mode Courtesy Tone Morse ID Call Sign Veri
20. fy a Users Station ID Co Channel Protection March 1993 6880902Z68 O Table Of Contents Table Of Contents ZR310 Community Repeater Panel Diagnostic Commands PTT On Off Key the Transmitter Open Close Audio Path Audio Test Tone Encode a TPL Tone or DPL Code TPL Tone Sweep Start Stop List the Number of Enabled Users List the Enabled User Numbers List Resets Power Fails Program Access System test List Any Error Numbers Reset to Default Settings Quick Reference to DTMF Codes Programming via Telephone Programming via ZR310 Monitor Program Real Time Display Record Programmable Values Appendix A DTMF Commands Table A 1 DTMF System Commands Table A 2 DTMF User Commands Table A 3 DTMF Diagnostic Commands March 1993 6880902Z68 O Table Of Contents Section 1 Introduction Overview The ZR310 is a community repeater panel Figure 1 1 which provides individualized repeater service for up to 70 customers or customer groups on a single RF channel It acts an interface between a GM300 transmit radio and a GM300 receive radio providing TPL and DPL encode decode repeat audio processing and all timer functions An internal database holds the various attributes associated with each user group Nearly all of the ZR310 s functions can be customized for each of the 50 TPL tones and 20 DPL codes You can program all of the functions of the ZR310 in three ways e Remotely using DTMF over the radio channel e Locally with the Moto
21. gs to accomplish this function When an accessory keys the transmit radio the ZR310 will disable the repeater transmit hold time until 30 seconds of no accessory transmit has expired Anti Kerchunker Timer The anti kerchunker timer may be programmed between 0 off and 5 0 seconds The first transmission from a user must be longer than the anti kerchunker timer value or the programmed transmit hold time will not be used This discourages users from kerchunking the repeater Timeout Timer The timeout timer is a stuck mic timeout feature Its setting determines the maximum amount of time a mobile may transmit on the channel Each time the TPL DPL decode stops the timer is reset It may be set from 1 to 9 minutes in one minute increments and the default setting is 3 minutes During a timeout condition you will hear an alert tone before the transmit radio unkeys March 1993 6880902Z68 O Section 6 9 Section 6 Programming User Programmable Fields Enable a User To activate a user in the ZR310 you must enable the TPL tone or DPL code user number The transmit radio keys when the carrier and the TPL tone or DPL code are decoded Set the Status line as Enable to activate a user Reserve a User You may need to reserve a TPL tone or DPL code for future use If a user keys up on a reserved user number the transmitter will be keyed but it does not cut through a repeat audio It sends a beep tone for the duration of the transmission
22. n for safekeeping or later examination The programming port on the ZR310 is hardware compatible with the Motorola RIB The RSS will prompt the system installer to plug into the ZR310 so that the configuration can be read or written to the ZR310 Getting Started At the Main Menu 1 Press F3 Get Save You will see the Get Save Screen Radio Mode Figure 6 1 We recommend that the radio be programmed in repeater mode To begin programming in repeater mode MOTOROLA Radio Serwice Software Select Function Key PI Fio RPTR SAVE PROGRAM MODE FILE CODEPLUG Figure 6 1 Get Save Screen Radio Mode March 1993 6880902Z68 O Section 6 1 Section 6 Programming 2 Press F6 to change to repeater mode You will see the Get Save Screen Repeater Mode Figure 6 2 Sol tvare Select Function Ney Fi F18 RADIO SAVE CLONE PROGRAM CODEPLUG MODE FILE CODEPLUG Figure 6 2 Get Save Repeater Mode Programming the Repeater 1 From the Get Save Menu Press F2 to read the repeater You will see the screen in Figure 6 3 You have two options to read the repeater or to designate it as a generic You may need to use the generic designation if the option board is not physically accessible i e programming a replacement radio To read the repeater 1 Connect the programming cable to the repeater 2 Frees F2 to continue To designate the repeater as generic 1 Press F10 to abort MOTOROLA Radio Service Softuare Press F18 To Abo
23. nfiguration Screen March 1993 6880902Z68 O Section 6 6 Section 6 Programming Table 6 1 Command Rey Function F1 HELP Get specific help for highlighted field Choose a user number to display TPL 1 50 F2 GOTO USER DPL 51 70 F3 PREVIOUS Go to previous active user both enabled and USER reserved users are active FA NEXT USER Go to next active user both enabled and reserved users are active FS PRINT SCREEN Table 6 2 lists other keys and their general function Table 6 2 Other Key Functions Tab Enter Return Accept data currently in field and move prompt forward one field Shift Tab Accept data currently in field and move prompt backward one field Scroll through selections or increase decrease Up Down Arrow 3 current relative value Left Right Arrow Move cursor left right one space Erase current character in field and move cursor Back space left one space Page Up Page Display previous next page of information on Down screen March 1993 6880902Z68 O Section 6 7 Section 6 Programming From the ZR310 Configuration Screen you may set the programmable features Programmable feature in the ZR310 are divided into three categories e System Programmable Fields e User Programmable Fields e Diagnostic Tests System Programmable Fields The following subparagraphs describe the system commands available for the ZR310 Program Mode Access Code The program mode access code is a number between 1000 and 3
24. o To disable knockdown the repeater 1 Enter 300 NOTE This command will take the repeater out of service until you reaccess the program mode cycle the main power or perform a long DTMF digit reset Example 300 Take repeater out of service Stuck Mic Timeout Timer 1 Enter 201 2 Enter time t in one minute increments 1 9 Example 201 5 Set timeout to 5 minutes Mic DTMF Hang Time The mic DTMF hang time feature allows you to insert a delay before the ZR310 sends back prompt tones during DTMF programming This option is useful for over the air programming In many radios equipped with DTMF encode the transmit radio does not unkey immediately after it releases a DTMF digit As long as the radio is still keyed the prompt tones do not sound on the programmer s radio To remedy this condition you can program the ZR310 to delay sending the prompt tones You can set the delay from 0 to 3 seconds in one second increments and the default setting is 0 1 Enter 281 2 Enter time t in one second increments 0 3 Example 28 1 2 Set 2 second delay before prompt tones March 1993 6880902Z68 O Section 6 16 Section 6 Programming Carrier Repeat CSQ User 1 Enter 203 2 Enter the CSQ user number uu 0 70 Example 203 49 CSQ users repeat as user 49 Courtesy Tone 1 Enter 209 2 Enter the beep frequency ffff in Hz 400 2500 Example 209 1200 Set courtesy ton
25. portion of the switch is visible 4 Turn on both radios by rotating the volume controls clockwise 5 Verify that the ZR310 green Power LED is illuminated the display windows on both radios are illuminated and the fan is operating Diagnostic Commands Refer to Programming Section Diagnostic Commands Programming To customize the ZR310 to your particular application refer to the Programming section March 1993 6880902Z68 O Section 2 7 Section 3 Operation Overview Theis section describes the basic operation of the ZR310 Community Repeater Panel Included is a list of all TPL and DPL tone codes with their decoded user numbers Refer to the programming section of this manual to customize your community repeater Basic Operation Installing the ZR310 in the GR300 Repeater Station converts the GR300 Repeater Station into a multi user community repeater The ZR310 via a microprocessor performs data management to simultaneously decode and encode TPL and DPL tones TPL Tones and DPL Codes The ZR310 monitors the channel for TPL Tones and or DPL codes When it detects a tone or code it implements conversion to a user number Table 6 2 Next it points to the area in the database that contains information about that particular user The DPL decode numbers in the table are user programmable User Validation The ZR310 is always monitoring the receive audio for the presence for a valid user You can enable or disable any of the 50 T
26. re 6 14 March 1993 6880902Z68 O OFF orf orf 3 OFF Disabled Section 6 13 Section 6 Programming MOTOROLA Radio Service Softuare Use UP DOWN Arrous To Enable Radius Gana Model MI4GNC29C3__ IANGE UIEW RADIO VIDE ACCESSO FI Conmunity PA DA DI JEBOU NE Output Mo Input Input Input NULL 1 Input PA Switch Input 8 187 PREVIOUS NEXT PRINT ACC EXT ACC EXT SCREEN Figure 6 14 Radio Wide Accessory Screen 4 Set the desired custom information 5 Press F10 to exit CAUTION Repeater mode will not keep custom information Therefore if you customize your radios you may limit yourself to always programming in radio mode For more information refer to the Basic RSS Manual Programming Over The Air You can program the ZR310 using a portable radio with a DTMF keypad While programming the unit it is helpful but not required to have a secondary receiver i e scanner monitor receiver tuned to the repeater output frequency This enables you to hear the prompt tones generated by the ZR310 The access code is user programmable System Programming in this section All numbers may be entered with or without leading zeros i e the number 1 may be entered as 0001 001 01 1 Some commands send a progress or prompt tone while programming and all commands send either a go ahead or error tone after completion of the command A chirp tone follows a successful command and a warble tone
27. ring transmit hold time attwt newer wsTPLDPLemededungtanonthoime 122 uu To translation user uu encodes tone code ee ee 0 for CSQ 1 50 for TPL or Pee eee iain nee ves wu made ra 131 uu Enable user uu reserve mode doesn t pass repeat audio 140 uu Disable user uu privacy mode normal operation Enable user uu privacy mode no new users allowed until transmit radio drops A out CE re PT 150 uu Disable user uu courtesy tone 161 uu Play back user uu s ID March 1993 6880902Z68 O A 1 Appendix A DTMF Commands Table A 2 DTMF Diagnostic Commands Commands Function Parameter PTT off keys up when sending progress tones i audio enable squelch unsquelch test Encode DPL code tttt TPL tone sgeep end with DTMF Encode TPL frequency fff f List the number of enabled users List the enabled user numbers List the number of program mode accesses List the number of resets List the number of power fails List the number of users with memory errors List the User numbers with errors List the system error number 6880902Z68 O tt 1 50 or O none tttt octal code 1000 March 1993
28. roform preventive maintenance and troubleshooting techniques on the ZR310 Community Repeater Panel Fault isolation and component level troubleshooting are not covered in the section Preventive Maintenance Preventive maintenance of the ZR310 consists of e Visual inspection e Periodic cleaning e Checks using diagnostic commands entered via the DTMF keyboard Visual Inspection Check that external surface of the equipment are clean that connecting cables are not damaged and that connections are firm A detailed inspection of the interior electronic circuitry is not needed or desired Cleaning Periodically clean smugges and grime from the exterior housing Use a soft non abrasive cloth moistened in a mild soap and water solution Rinse the surface using a second cloth moistened in clean water Diagnostic Commands Refer to Programming section Diagnostic Commands Disassembly In order to inspect the cable and other components and to remove the top cover you must remove the ZR310 from the GR300 housing Complete the steps in paragraphs 3 1 and 3 2 to accomplish this Removal To remove the ZR310 from the repeater housing perform the following steps 1 Place the GR300 power switch to off and unplug the ac line from the ac supply outlet 2 Using a T15 Torx screwdriver remove the four M3 5x0 6x6 taptite screws 3 that secure the fan assembly to the repeater housing 3 Remove the fan assembly 1 and rest it on top of the repeater
29. rola RIB compatible interface for connection to a computer e By using a touch tone telephone Standard Features The following is a list of ZR310 Community Repeater Panel features Decoding Encoding for 50 TPL tones and 20 DPL codes Remote control and programming via DTMF radio or DTMF from a telephone plugged into the programming jack Remote enable disable of all user groups Per user programming Cross tone cross code tone code encoding Privacy made prevents barge ins Vacant tones and codes can be reserved Courtesy tone Automatic station ID per user Accessory PTT input with selectable TPL DPL encode Repeater set up knockdown remote DTMF commands System Configuration Unlike a conventional community repeater panel which usually consists of a system card or equivalent circuitry and up to 70 different plug in tone cards the ZR310 incorporates one card that allows system and user programming System Functions System programming replaces the system card in a conventional community repeater panel The system function controlled by the ZR310 software are listed below System Access Code Repeater Set up Knockdown Time out Timer Courtesy Tones Frequency Anti Kerchunker Filter Station ID Speed Timer Frequency Program Mode Access Code Accessory PTT TPL DPL Encode Carrier Repeat ID March 1993 6880902Z68 O Section 1 1 Section 1 Introduction User Functions In the ZR310 assigned user number
30. rt Connect programming cable to the Repeater Option Board or press Fi for a Generic Repeater RADIO SAUE PROGRAM CODEFLUG MODE FILE CODEPLUG Figure 6 3 Read Repeater Screen March 1993 6880902Z68 O Section 6 2 Section 6 Programming Reading the Transmitter Radio After reading the repeater you will see the screen in Figure 6 4 MOTOROLA Radio Service Softuare Press Fi To bort Connect programming cable to the TRANSMIT Radio Connector or press F10 to skip it Figure 6 4 Read Transmitter Screen You have two options to read the transmitter or to skip it To read the transmit radio 1 Connect the programming cable to the transmitter 2 Press F2 to continue To skip the transmitter 1 Press F10 to abort If you choose to read the radio and it has previously been programmed in radio mode you will see the screen in Figure 6 5 NOTE Figure 6 5 is for your information only It may indicate that the wrong radio was read If custom settings have previously been programmed for the radio you will see the screen in Figure 6 6 March 1993 6880902Z68 O Section 6 4 Section 6 Programming MOTOROLA Radio Service Software Press FiO To Abort MEN Custom non defau t programming information will be overwrities Figure 6 6 Non Default Information Warning To allow all programming information to reset to default settings 1 Press F2 to continue CAUTION To keep custom programming you m
31. s are the equivalent to the 70 plug in tone cards contained in a conventional community repeater panel The follovving steps describe the process the ZR310 uses to find user information 1 3 The ZR310 detects a code or tone The code tone is decoded to a user number The user number points to the area in the database containing information about that particular user Re to Table 3 1 for code tone to number conversion The user functions controlled by the ZR310 softvvare are listed belovv User Enable TPL or DPL Encode Reserve Mode TX Hang Time Morse ID Call Sign Courtesy Tone Co Channel Protect Selection Privacy Mode Physical Description The ZR310 is a self contained repeater interface component designed to fit into the top shelf of the GR300 Repeater Station The front panel Figure 1 1 contains Audio adjustment TPL Set up adjustment LED indicators to display the status of the various functions Programming jack used for DTMF telephone programming or local programming with an IBM PC via an RIB programming interface Interconnections to the transmit and receive radios are made via the 16 pin Transmit and Receive connectors located in the rear of the panel March 1993 6880902Z68 O Section 1 2 Section 1 Introduction Housing Assembly Fan Assembly Pi in rear Repeater Interface Component Shorting Plug s Tx Radio Rx Radio Power Supply Duplexer behind plate March 1993
32. scan Table 5 1 to determine if you can solve the existing malfunction By reading this information you could save valuable time by isolating the circuit where the faulty component os located Problem Indication Possible Solution 400Hz beep just before Memory problem transmit radio unkeys Memory automatically reset At reset power gt 15 errors detected to default positions Unit fails Reset unit send DTMF digit from mobile handheld radio to repeater site for gt 15 seconds ZR310 does not detect TPL Carrier LED is off tones March 1993 6880902Z68 O Section 5 2 Section 6 Programming Overview This section contains information and procedures that allow the technician to program the ZR310 You can program the ZR310 in the following ways e Motorola RIB compatible interface using a computer running Motorola radio service software RSS designed for the ZR310 e DTMF over the radio channel over the air from a mobile base station or handheld e DTMF from a telephone plugged into the programming jack on the front of the ZR310 e ZR310 monitor program via RS232 Communications Program Programming Via Radio Service Software RSS We recommend that you program the ZR310 using a PC that runs the Motorola Radio Service Software RSS because it is the easiest programming method Using this software allows you to access the programmable features of the ZR310 from user friendly screens on the PC You can archive the final configuratio
33. the long DTMF reset circuit This circuit is a fail safe device to allow the system operator to reset the unit remotely by keying a DTMF digit for longer than 12 seconds Memory is functionally divided into three sections 1 program memory 2 operating memory 3 protected database memory Program memory resides in ERROR U8 and stores the actual operating instructions that make the ZR310 work as a community repeater panel Operating memory is provided by static read write memory RAM U3 and the internal memory in microprocessor U1 The ZR310 performs computations and maintains a data buffer in this area Database memory contains all the user and system programming values and must be retained regardless of how often power is lost To do this the ZR310 stores the user and system programming values in EEPROM US Peripheral timers and counters U14 and U15 are available to the microprocessor The counter IC s contain thee timers each which are used for tone generation and internal timing functions The microprocessor is able to directly control 8 I O lines that interface to its Port 1 register on pins 13 through 20 These carry information from the various digital control outputs and inputs Serial Communications Asynchronous data transfer is accomplished via a microprocessor Ul s internal UART The UART receives data through pin 11 of the microprocessor but first it is buffered to be compatible with the Motorola RIB interface via Q10 Q11 U16A Data is
34. tween types of ZR310 option boards e Community PA with public address e Community RMT with tone remote C100 Figure 6 11 and Figure 6 12 are examples of the screens you might see If you skipped the repeater the screen may list the Repeater Type as Generic When the cursor is positioned on the Repeater Type line the up down arrow keys will toggle between the different types March 1993 6880902Z68 O Section 6 12 Section 6 Programming MOTOROLA Radio Service Softuare PRINT FL SCREEN USERS Figure 6 100 DPL Users Figure 6 11 Can t do Figure 6 12 Can t do Low Battery Alert To program the repeater to send out a warning signal when its battery gets low From the Main Menu press F4 to see the Change View Menu Press F7 to access the Signalling Menu Press F2 to see the screen in Figure 6 13 Using the arrow keys move the cursor to the space next to Low Battery Using the up down arrows choose Y to set the low battery alarm on Press F10 to exit DAE BN Customizing Your Accessories The repeater may be customized in radio mode To set custom accessory information MOTOROLA Radio Service Seftuare Use UP DOWN Arrows Te Enable Radius Gee Model MI4GNC29C3 IANGEZUI EV BIGIRAD VIDI PRINT Figure 6 13 Radio Wide Screen 1 From the Main Menu press F4 to see the Change View menu 2 Press F2 to access Radio Wide 3 Press F9 for the Accessory Connector Configuration You will see the screen in Figu
35. u may also program a single System ID call sign Refer to Table 6 4 for the Station ID Cross Reference and Table 6 5 for the TPL tone DPL code conversions Transmitter Hang Time The transmitter hang time is the amount of time the repeater transmitter remains keyed on the channel after mobile activity is no longer detected The transmitter hang time must be set to a value between 0 0 and 25 0 TPL DPL Encode During Transmitter Hang Time Normally the repeater encode signal follows the mobile encode However You can leave a TPL or DPL encode on during the transmitter hang time By leaving the encode on you can eliminate the decode time between transmissions thus not losing any audio Choose Y to leave the encode on during transmit hang time or no to turn it off March 1993 6880902Z68 O Section 6 10 Section 6 Programming View All Users To view the user numbers 1 Press F6 to view all Figure 6 9 is the TPL User Screen which shows users 1 50 Figure 6 10 is the DPL User Screen which shows users 51 70 NOTE The F6 key will now toggle between the TPL User and the DPL User Screens MOTOROLA Radio Service Softuare i 1 EV COMIN Y REPEAT ua P el Figure 6 9 TPL Users Radio Parameters From the Main Menu 1 Press F4 to see the Change View Menu 2 Press FS for the Mode screen This screen will vary depending on the type of repeater option board that you have read If you have read a ZR310 you may choose be
36. ust use radio mode If custom settings have previously been programmed for the radio you will see the screen in Figure 6 6 Programming in repeater mode resets all custom accessory information to its default settings Pressing F2 Continue will overwrite any custom programming Reading the Receiver After reading the ZR310 option board and the transmitter you will see the screen in Figure 6 7 MOTOROLA Radio Service Softuare Press Fi To fhert JE READ DEPLUG Connect BE cable to the RECEIU dio Connector or press Fi to skip it Figure 6 7 Read Receiver Screen March 1993 6880902Z68 O Section 6 5 Section 6 Programming You have two choices to read the receiver or to skip it To read the receiver 1 Connect the programming cable to the receiver 2 Press F2 to continue To skip the receiver 1 Press F10 to abort As with the transmitter if the radio has previously been programmed in radio mode the warning screens in Figure 6 5 and Figure 6 6 may appear Configuring the System From the Main Menu 1 Press F4 Change View 2 Press F2 Radio Wide You will see the screen in Figure 6 8 MOTOROLA Radio Service Softuare Use UP DOWN Arrows To Enable JIT COMMUNITY EPEAT 18 1888 inon u t Enabled CSQ XXNX 3 4 GOTO PREVIOUS NEXT PRINT vI ADD USER USER USER SCREEN ALL USER USER Figure 6 8 ZR310 Configuration Screen Table 6 1 lists the functions you can perform from within the ZR310 Co
37. ystem ID must have a number programmed March 1993 6880902Z68 O Section 6 8 Section 6 Programming The ZR310 will reference the system ID user for the proper TPL DPL encode and the Morse ID to send You can use a disabled or enabled user number The Morse code station ID is sent after a 0 75 second key up delay Carrier Only Repeat Open Repeater You can program the ZR310 to repeat based on just the carrier sometimes called carrier controlled repeat or open repeater In this mode the ZR310 provides simultaneous tone open repeater operation for users that have TPL or DPL encode or that have no encode repeat Both types of users operate normally This allows a mix of TPL tone users with open repeat capability and is ideal when adding tone users to an existing open repeater To enable the carrier CSQ for repeat you can identify a user number as the carrier repeat user This allows all standard user programmable features for open repeat including enable disable TPL or DPL code encoding etc for the carrier user if the CSQ user number is set to 0 no carrier repeat will be available Accessory PTT TPL DPL encode An accessory device such as a tone remote or local microphone may key the transmit radio and take over control of the repeater The accessory may need the ZR310 to encode a particular TPL tone or DPL code in order to communicate with a specific user group The ZR310 incudes a programmable Accessory PTT encode settin
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