ZETRON 15P User Manual Download

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ZETRON

Model 15P Field Programmable

Multi-Format Encoder

Operating Manual

Part No. 025-9235E.1

Summary of Contents for 15P

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Page 3: ...ic Display Formats 2 4 Motorola GOLAY Digital Numeric Display Format 2 4 Motorola METRO Digital Tone Only Format 2 4 Custom Stack Fixed Stack Pages 2 4 SPECIAL FEATURES 2 5 ELECTRICAL SPECIFICATIONS 2...

Page 4: ...ERIAL CRT INTERFACE 4 4 INTERFACE CONNECTOR 4 4 Jumpers 4 7 ADJUSTMENTS 4 7 Audio Test Mode 4 7 Binary Test Mode 4 8 DTMF Output Test 4 8 EXCEPTIONS 4 8 CABLE OPTIONS 4 8 5 PROGRAMMING OVERVIEW 5 1 PR...

Page 5: ...Binary Test Mode 6 2 DTMF Output Test 6 3 FAULT IDENTIFICATION 6 3 MODEL 15P TOP LEVEL PARTS LIST 6 4 MODEL 15P MULTI FORMAT ENCODER 702 9855B 6 5 Parts List 6 5 Schematic 6 7 Silkscreen 6 9 MODEL 15...

Page 6: ...an 7 13 REACH Tone Timing 7 13 POCSAG DIGITAL FORMAT 7 14 NEC DIGITAL FORMAT D2 D3 7 15 MOTOROLA GOLAY DIGITAL FORMAT 7 16 MOTOROLA METRO DIGITAL FORMAT 7 17 PROGRAMMING FUNCTIONS LOG 7 18 CUSTOM CALL...

Page 7: ...under any circumstances be responsible for any indirect special incidental or consequential damages or losses to the buyer or any third party arising out of or connected with the buyer s purchase and...

Page 8: ...dio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is...

Page 9: ...1 INTRODUCTION GENERAL DESCRIPTION 1 1 MODEL 15P FIELD PROGRAMMABLE VS THE MODEL 15B 1 2 USING THIS MANUAL 1 3...

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Page 12: ...ified when ordering These parameters may be changed only by factory reprogram not by the user The Model 15P supports this kind of paging with a format called CUSTOM TWO TONE which can hold up to 111 c...

Page 13: ...odel 15P and its capabilities 2 Specifications An organized listing of the capabilities and specifications of the encoder 3 Operation This section describes the use of the encoder once it has been ins...

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Page 15: ...Code 2 2 Custom Two Tone 2 3 Custom DTMF 2 3 POCSAG Digital Numeric Display Format 2 3 NEC Digital Tone Only And Numeric Display Formats 2 4 Motorola GOLAY Digital Numeric Display Format 2 4 Motorola...

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Page 17: ...General Alternate GE X Y Z or special Tone Timing Field Programmable 1st Gap 2nd Group Call 1 0 0 3 0 8 0 GE std Mot std Tone Voice 1 0 0 3 0 6 0 NEC B 1 0 0 3 3 0 6 0 NEC A 1 0 0 1 0 4 0 NEC C 0 5 0...

Page 18: ...e from keypad Timing Programmable tone duration and gap duration 2805 1500 Hz Call Capacity 3 4 5 6 7 or 8 digits Configurations Field Programmable Tone Freq 1500 or 2805 Hz Timing 10 pps HSC Hexadeci...

Page 19: ...ow each capcode Custom DTMF Call Capacity Up to 141 independently programmable capcodes actual capacity depends on memory used by other custom formats Configurations Field programmable for each capcod...

Page 20: ...y Full format capacity of 1 000 000 calls with battery preamble digit Configurations Field Programmable Functions 10 beep Alert voice data combinations Messages Up to 12 numeric characters Up to 128 a...

Page 21: ...RFI nonmultiplexed drive Smart alphanumeric operator messages Page Indication PAGE message in display Voice Prompt tALH message in display when Talk is active Diagnostics Built in self test Special mo...

Page 22: ...trol Outputs 2 sets of SPDT contacts rated 1A at 26 VAC one for Push to Talk PTT and one for switching audio output between internal tone and external voice microphone Transmit Inhibit Input Senses TT...

Page 23: ...ager Number 3 3 Message 3 3 Autopage 3 3 Autoscroll 3 4 Strapped Digits 3 4 Keypad Stack Entry 3 4 Custom Stacks Fixed Stack Pages 3 5 Talk 3 6 Paging Sequence 3 6 Repage 3 7 Busy Channel 3 7 Continuo...

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Page 25: ...eled CLEAR PAGE and ENTER The 16 keys are used to key in the pager number The PAGE key will send the paging information the ENTER key will temporarily store a pager number in stack memory and the CLEA...

Page 26: ...nto the memory for a keypad stack Another pager number may now be input The new pager number may also be moved to the memory stack by pressing ENTER pressing PAGE will send the pages starting with the...

Page 27: ...to select special pager functions these are generally entered as part of the pager capcode number An incorrect pager number can be erased with the CLEAR key This causes the encoder to cancel the enti...

Page 28: ...ive To alleviate this problem many formats allow a portion of the pager capcode number to be programmed into the unit This does limit the maximum call capacity of that format but it also reduces the n...

Page 29: ...se users because of the time required to enter more than a few pager capcodes The Model 15P can also be programmed with fixed stack pages that are held in the encoder s non volatile memory The Custom...

Page 30: ...smitter is kept ON after the page is completed and the desk microphone activated The display prompts the operator with the message tALH The voice message can be given during the Talk interval and then...

Page 31: ...the transmitter by opening the PTT relay 10 Display the pager number again to allow for repaging of the pager number displayed by pressing the PAGE key Repage Upon completion of a paging sequence the...

Page 32: ...ystem Parameters in Section 5 This means that nothing has to be set before applying power To test the CRT installation connect the serial ports of the two units and then apply power first to the CRT a...

Page 33: ...the encoder s display Special Keys Table 3 OPERATION 2 shows which keys are used to accomplish equivalent functions on both the encoder s keypad and the CRT keyboard Table 3 OPERATION 2 Keypad vs CRT...

Page 34: ...EXPLANATION Enter capcode Ready for pager code 0654327 Enter capcode 0654327 Mistake made entering capcode BACKSPACE Enter capcode 065432 Prepare for correction 1 Enter capcode 0654321 Enter new chara...

Page 35: ...er 11122334 Enter capcode 11122334 POCSAG capcode ENTER RETURN Enter message Ready for message MSG 4 BILL Enter message MSG 4 BILL Message ENTER RETURN Paging Start page Enter capcode Ready for next p...

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Page 37: ...4 1 DIGITAL OUTPUT 4 2 MICROPHONE CONNECTION 4 2 PUSH TO TALK 4 2 DIGITAL MODE 4 3 EXTENDING THE TALK TIME 4 3 ALPHA PAGING 4 3 SERIAL CRT INTERFACE 4 4 INTERFACE CONNECTOR 4 4 Jumpers 4 7 ADJUSTMENTS...

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Page 39: ...int on the bottom case GROUNDING It is recommended that shielded cabling be used on all audio connections between the encoder microphone and radio It is advisable that one primary point be chosen as a...

Page 40: ...els comparable to the microphone level To do this remove clip out 620 ohm resistor R57 from the encoder circuit board PUSH TO TALK Radio transmitter keying is performed with the normal push to talk PT...

Page 41: ...y This will extend the Talk time for as long as the microphone PTT is held the TALK ENDER and battery saver PG 50 signals will not be sent until the microphone PTT is released During the extended Talk...

Page 42: ...disabled internally INTERFACE CONNECTOR Connections between the encoder and the radio equipment are made on the terminal strip TB1 inside the encoder Connections on both terminal strips are described...

Page 43: ...ignal Function 13 not used 14 Ground 15 RS 232 receive Serial data from CRT 16 RS 232 ground Serial ground 17 RS 232 transmit Serial data to CRT 18 not used 19 not used 20 PTT common PTT relay common...

Page 44: ...ETRON ENCODER 1 12 VAC 14VDC INPUT 2 12 VAC INPUT 3 TONE 4 AUDIO OUTPUT GND 5 SYSTEM GROU MIC INPUT 6 EXTERNAL MIC 7 CHANNEL BUS 8 DIGITAL MODE 9 DIGITAL OUTPUT PTT N O 10 TRANSMITTER PTT PTT COM 11 E...

Page 45: ...JUSTMENTS Two adjustments are necessary to complete the installation of the encoder setting the tone and digital output levels Both adjustments are made with the bottom cover off Audio Test Mode Depre...

Page 46: ...he DTMF tone pairs are generated by a different source than the rest of the analog paging signals they come out through the same final audio stages as the other analog signals and their level is adjus...

Page 47: ...ne 5 10 DTMF Format 5 11 HSC Format 5 12 Reach Format 5 13 2805 Format 5 14 Alert Tones 5 15 Custom Two Tone Format 5 16 Brief Summary 5 17 Programming Example 5 17 POCSAG Format 5 21 NEC Format 5 22...

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Page 49: ...without configurations or formats programmed the CRT shows Invalid Configuration after the power on messages as shown below Model 15P Field Programmable Ver 2 1 Copyright 1984 1996 ZETRON INC KEYPAD A...

Page 50: ...equal sign the choices for the parameter being selected may be scrolled through by depressing the PAGE key for example when selecting a paging format When satisfied with the displayed choice pressing...

Page 51: ...0 and 60 in seconds Keypad entries are shifted from right to left in the display If an error is made during entry continue to press keys until the correct two digits are displayed The two digits showi...

Page 52: ...g ENTER will accept the value displayed and proceed to the next prompt Unless you know you need to invert this parameter leave it at default APAG 0 ENTER Autopage Pressing ENTER will accept the value...

Page 53: ...ecessary to use two digit combinations to represent all of the characters in the ID call sign These two digit combinations are shown in Table 5 PROGRAMMING 3 and are based on the typical number letter...

Page 54: ...will start on the right end of the display and move to the left as more entries are made This will continue until you finish entering the call sign or all ten character positions are filled Press ENTE...

Page 55: ...e database and return to the diGt 0 prompt The tables presented list the prompts encountered when programming the paging formats The indented prompts pertain to values that are related to the major ca...

Page 56: ...lid For timing information see Section 7 Two Tone Timing GAP 0 Timing of the gap between the first and second tones The number entered will be the number of 100ms intervals gap time X 100ms A value fr...

Page 57: ...call code plan Motorola P This uses the Motorola tone groups 2 3 4 and 6 1St 0 10 ENTER Sets the first tone s timing to 1 second 10 x 100 millisecond intervals Pressing ENTER will accept the value di...

Page 58: ...1 Enables the sending of a preamble digit to the pager prior to the address digits StrP Number of strapped digits If Preamble is enabled up to four digits may be strapped If Preamble is disabled a ma...

Page 59: ...A two digit entry specifying the number of 10ms units of time for each tone tone time X 10ms GAP The gap timing time between tones Gap time X 10ms dGtS Number of DTMF digits A valid entry is from 1 to...

Page 60: ...s the digit desired for the strap number StP1 would be the service block and is always the first digit sent StP2 is the first pager address digit and would be the next digit sent and so on rEPt Number...

Page 61: ...jor Prompt Conditional Prompt Explanation tALH 0 Talk disable 1 enable StrP A digit may be strapped within the encoder to fix the 100 call block from which the page comes A valid response is 0 or 1 If...

Page 62: ...t in SYStEM programming 0 Talk disable 1 enable 1500 Selects tone used for pulse generation 0 use 2805 Hz tone and 1 use 1500 Hz tone dGtS Select the number of digits to be sent per page A value betwe...

Page 63: ...time this feature is used or a single Alert tone can be strapped to the leading digit This allows the Alert to be sent with a single key press Table 5 11 Alert Tones Menu Prompts Major Prompt Conditio...

Page 64: ...s 0 000 to 9 999 seconds G 0 000 The gap time duration between tones A and B The valid range is between 0 000 and 9 999 seconds b 0 0 The B tone frequency the second tone sent The valid range is 250 0...

Page 65: ...apcodes and their data The encoder will be programmed for the following pages Capcode A Freq A Dur Gap B Freq B Dur Alert Talk 901 1000 0 1 000 0 000 1750 0 3 000 4 1 902 2000 0 1 000 0 000 1500 0 3 0...

Page 66: ...n 1000 0 Hz for the Tone A frequency It is not necessary to input the decimal point A1000 0 ENTER Press ENTER to input the Tone A frequency d 0 000 1000 Type in 1 000 seconds for the Tone A duration d...

Page 67: ...play as the default Tone B duration Press ENTER to accept this default value ALrt 4 0 ENTER 4 appears in the display as the default Alert function Type 0 and press ENTER to replace it tALH 1 0 ENTER 1...

Page 68: ...Custom Two Tone format diGt 0 CLEAR Press the CLEAR key again to exit programming mode SAVE y CLEAR You are given the option to save or not SAVE n CLEAR Notice that pressing any key other than ENTER...

Page 69: ...t StP2 is the next and so on Fnct A prompt asking whether or not to strap the function code 0 disabled 1 enabled diGt If Fnct 1 this prompts for the function code to strap This number may have a value...

Page 70: ...rmat Table 5 19 NEC Format Prompts Major Prompt Conditional Prompt Explanation StrP Number of capcode digits strapped in the Model 15P A valid response is from 0 to 4 digits Please note if four digits...

Page 71: ...tP2 is the next and so on ALFA Enable disable alphanumeric characters 0 only allow numeric display messages of up to 24 characters and 1 enables a maximum of 128 alphanumeric characters and voice capa...

Page 72: ...re from 10 ms to 990 ms in 1 millisecond increments OFF Off duration prompt Sets the off time between each DTMF digit Valid entries are from 0 ms to 990ms in 1 millisecond increments Table 5 23 Editin...

Page 73: ...ersion 2 1 SEtUP SEtUP means no formats programmed yet You will see a single dash if a format has been programmed ConFIG C CLEAR keys together Display momentarily shows ConFiG to indicate that it is e...

Page 74: ...ce that the value 20 has been carried over from the last capcode for this entry also Press ENTER to use it C Ready for next capcode You have now programmed two distinct capcodes and are ready to progr...

Page 75: ...ustom DTMF format diGt 0 CLEAR Press the CLEAR key again to exit programming mode SAVE y CLEAR You are given the option to save or not SAVE n CLEAR Notice that pressing any key other than ENTER will t...

Page 76: ...eans no talk time and a 1 means the encoder will use whatever time period was programmed for Talk under System parameters CAP Pager capcode and message prompt This prompts for the pager capcodes and m...

Page 77: ...age as well as Talk time These may both be disabled The process of programming a fixed stack starts at the St prompt The number entered at this prompt identifies the fixed stack in the same way a cap...

Page 78: ...exercise you will have programmed and edited a Custom stack The encoder will be programmed with the following Stack Number ALEr t tALH CAP CAP CAP CAP CAP 903 4 1 801 802 123 256 708 Before beginning...

Page 79: ...this example dELEtE PAGE PAGE PAGE key steps through the format selection menu Press PAGE key until StACH appears in the display StACH ENTER Select the Custom Stack format St 903 Type in 903 for the...

Page 80: ...Press ENTER to skip to the next capcode CAP 708 Type in 708 This will add the capcode 708 to the stack 708 ENTER Press ENTER to input the new capcode CAP ENTER Press ENTER without any data to exit cap...

Page 81: ...to program another stack The POCSAG entries shown here are eight digits long format leading digit seven capcode digits because they do not have any of the capcode digits strapped They do however have...

Page 82: ...on down the stack Just how much damage a bad capcode entry can do to a stack page is determined in part by where it occurs in the stack If it occurs in the last position the single page is lost If it...

Page 83: ...le 5 PROGRAMMING 32 4 ALWAYS TEST STACK PAGES BEFORE YOU NEED THEM The one and only foolproof way to confirm that you have gotten it all in correctly is to save the programming exit the program mode a...

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Page 85: ...Test Mode 6 2 DTMF Output Test 6 3 FAULT IDENTIFICATION 6 3 MODEL 15P TOP LEVEL PARTS LIST 6 4 MODEL 15P MULTI FORMAT ENCODER 702 9855B 6 5 Parts List 6 5 Schematic 6 7 Silkscreen 6 9 MODEL 15P SERIAL...

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Page 87: ...g power up please record this number as well If the call is made from the installation site by the installer or technician the problem can usually be solved over the phone The parts list and schematic...

Page 88: ...for checking that the de emphasis jumper JP10 is in the correct position to ensure a reasonably flat modulation level across all of the audible paging frequencies Binary Test Mode The Binary test mode...

Page 89: ...tone pair All sixteen pairs are supported Press the CLEAR key to exit this test and return to the normal operating mode FAULT IDENTIFICATION Listed below are some possible problems and their causes to...

Page 90: ...YLON SCREW KEYPAD 4 1 322 7256 32Kx8 CMOS EPROM U18 702 9855 5 1 322 0103 16K EEPROM U22 702 9855 6 1 373 0116 16 KEYPAD 7 8 401 0108 STAKE 6 KEYPAD 8 1 415 9094 DECAL SN PN FCC SERIAL NUMBER TAG 9 1...

Page 91: ...99 47UF 50V TS C18 23 13 152 0012 1 UF 50V POLY C3 4 14 23 28 32 34 36 38 45 47 48 24 3 152 0040 4 7 UF 50V NON POLAR C16 17 XR29 NOTE 2 25 1 152 0085 01 UF 50V POLY C26 26 2 152 0089 001 UF 50V POLY...

Page 92: ...43 3102 1W 10V CR1 1N4740A 62 3 371 0002 SINGLE KEY SW1 3 NOTE 4 63 1 376 0004 4 000 MHZ HC18 Y1 64 1 376 0245 2 4576 MHZ HC33 HC18 Y3 65 1 376 0358 3 58 MHZ HC 18 CASE Y2 66 2 380 0030 DPDT 12V COIL...

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Page 96: ...1 11 1 316 7808 REGULATOR 8 VR2 12 1 321 6264 8Kx8 RAM U19 13 1 321 6522 VIA TIMER U21 14 1 321 6803 MICROPROCESSOR U15 15 1 323 4015 DUAL 4 BIT SHIFT REG U3 8 16 1 323 4053 3PDT SWITCH U12 17 1 323 4...

Page 97: ...computer Rx Data Pin 15 Pin 2 Tx D Signal Gnd Pin 16 Pin 7 Signal Tx Data Pin 17 Pin 3 Rx D Pin 4 Jumper Connects RTS to CT Pin 5 Pin 6 Jumper Connects DSR to DT Pin 20 ata Gnd ata S R The DSR DTR and...

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Page 99: ...ormat 7 5 DTMF TONE PAIR FREQUENCIES 7 6 HSC TONE FREQUENCIES AND TIMINGS 7 7 HSC Format 7 7 REACH ENCODING PLAN 7 12 Zetron Tone Groups for REACH Encoding 7 12 REACH Code Plan 7 13 REACH Tone Timing...

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Page 101: ...B tones have been developed by pager manufacturers such as Motorola and GE Two tone sequential pagers use the 140 tones that fall between 288 5 Hz and 2468 2 Hz For organizational purposes these 140 t...

Page 102: ...gonal 979 9 979 9 742 5 742 5 742 5 none none Two Tone Timing The standard two tone timings are listed in Table 7 3 Table 7 3 Standard Two Tone Timings 1st Gap 2nd Group Call Type 1 0 0 3 0 8 0 GE std...

Page 103: ...1 and T625 From this address the frequencies of the two tones can be determined The first two characters of an address specify the 100 block to which the address belongs If a pager address begins with...

Page 104: ...R 15 Mot S 16 Mot T 17 Mot U 0xx N A 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 1xx 1 1 2 3 2 3 2 3 2 4 2 4 2 5 3 4 3 4 2xx 1 5 2 2 2 2 2 2 2 2 2 2 2 2 4 3 4 3 3xx 5 1 3 3 3 3 3 3 4 2 4 2 5 2 3 3 3 3 4xx 1 6 4 4...

Page 105: ...x may be strapped Six Tone p xxxxx e p and one or more x may be strapped p preamble digit 0 9 preamble tone omitted xxxxx address digits 0 9 e extra address digit 1 or 2 if used Three addressing mode...

Page 106: ...A 701 3 1645 0 Row 2 4 771 4 1215 9 5 771 4 1331 7 6 771 4 1471 9 B 771 4 1645 0 Row 3 7 857 2 1215 9 8 857 2 1331 7 9 857 2 1471 9 C 857 2 1645 0 Row 4 935 1 1215 9 0 935 1 1331 7 935 1 1471 9 D 935...

Page 107: ...command the pager to power down its RF circuitry or go to sleep for a specified period of time typically 10 30 seconds The encoder keeps track of when it has last sent the go to sleep command and wait...

Page 108: ...agers with digits 0 9 A in any address position is a don t care or All call address ff function one or two digits MESSAGE ENTRY d1 d2 d3 A d2 and d3 as needed d1 data field 1 Telephone Number or Code...

Page 109: ...4 1300 voice message also 8 9 12345 00 PAGE 206 644 1300 A PAGE Tone Only Call Alert 8 9 12345 2 PAGE Disable Enable Battery Saver 8 B PAGE HSC FUNCTIONS NON DATA Function Pager Response 0 Mute Audio...

Page 110: ...en the key for the selected function All Immediate Functions use an All Call address of HSC code A s except where digits are strapped or a service block must be specified Function Pager Response 0 9 A...

Page 111: ...HSC 6000 pager via an RF link or direct audio input enter the current capcode of the pager using the keypad ignoring the RCC Capcode and beep time For example if the current capcode is 000 00121 03 ke...

Page 112: ...9 2898 0 24 1723 0 39 1025 0 54 609 0 10 2799 0 25 1664 0 40 990 0 55 588 0 11 2704 0 26 1608 0 41 956 0 56 568 0 12 2612 0 27 1553 0 42 923 0 57 549 0 13 2523 0 28 1500 0 43 892 0 58 530 0 14 2437 0...

Page 113: ...Z5 NOTE For REACH group call 0xx group is not present Instead ten group calls are accessible using pager numbers 000 011 022 099 that generate the ten group call tones from tone group Z1 The group cal...

Page 114: ...er 0 9 0 9 A left bracket B right bracket C U D activates alphanumeric test message space hyphen ALPHANUMERIC TEST ENTRY example xxxxxxx f PAGE D t PAGE t alphanumeric test message 1 or 2 Test Message...

Page 115: ...1 to 4 x may be strapped xxxxx address digits 0 9 range 00000 65535 xxxxxx address digits 0 9 Group 1 xx0000 xx2499 Group 2 xx2500 xx4999 Group 3 xx5000 xx7499 Group 4 xx7500 xx9999 MESSAGE ENTRY free...

Page 116: ...s Re Paged a new message must be entered before paging The old message is lost No GOLAY GSC pager numbers may be entered into the memory stack CAPCODE ENTRY example xxxxxx f one or more x may be strap...

Page 117: ...age 1 or 2 Test message 1 ABCDEFGHJKLMNPQRSTUVWXYZ 24 characters Test message 2 0123456789 ABCDEFGHIJKLMNOPQRSTU VWXYZ 48 characters MOTOROLA METRO DIGITAL FORMAT No METRO pager numbers may be entered...

Page 118: ...0 sent as 0 1 diGP 0 Digital mode select polarity APAG 0 Autopaging On Off SCrL 0 Autoscroll On Off cont 0 Continuous transmit On Off Sld 0 Station ID On Off ld ID string 10 characters max 2 tonE ___...

Page 119: ...dtn F ___ Leading digit for DTMF Tone format Main Prompt Dependent Prompt Programmed Value Description tALH Talk enable Yes No dur Tone duration 10ms GAP Gap timing 10ms dGtS of digits 1 to 8 StrP of...

Page 120: ...econd tone timing 100ms dur group tone duration 100ms 2805 ___ 2805 1500 Pulse Paging format Main Prompt Dependent Prompt Programmed Value Description tALH Talk enable Yes No 1500 Use 1500Hz tone Yes...

Page 121: ...No d4 NEC D4 format Yes No NEC ___ Leading digit for NEC D2 D3 format Main Prompt Dependent Prompt Programmed Value Description StrP of strapped digits StP n Strapped digits ____________ GSC ___ Motor...

Page 122: ...r end user requires or if the remaining memory can accommodate adding additional pages to the unit s programming The example shown is for a customer that requires an encoder capable of 20 Custom Two T...

Page 123: ...number of digits required to enter each pager s capcode This includes the leading digit that selects the format block In the example shown the stack consists of five Two Tone pages from a leading dig...

Page 124: ...313 Rev ___________ Software revision 601 0434 Rev ___________ Date ________________________ Installed options Analog option x Two Tone x Five Tone x DTMF x HSC x Reach x 2805 x Alert tones x Custom S...

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ZETRON 15P, Operating Manual

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