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Multitone RPR750 Series Скачать руководство пользователя страница 12

TM1215 Iss. 6.0

RPR750

2

User Operating Instructions

2.1 Introduction

This section describes the operation of the Multitone RPR 750 Series radio-paging
receiver, including the location and function of each button and indicator. Unless
otherwise stated, operation is common to all variants in the Series.

Note should be made of all the warnings and cautions outlined in the Preliminary Section
and Section 1 of this manual, especially in relation to use of this equipment in hazardous
areas.

2.2 Controls

&

Indicators

See Figure 2.1 below for the controls, indicators and User access points, associated with
the RPR 750 Series.

Figure: 2.1 User Access and Control Points

LANYARD RETAINER

BATTERY
COMPARTMENT DOOR

CHARGING &
PROGRAMMING CONTACTS

GRIPTITE CLIP

MUTE
BUTTON

LED CALL INDICATOR

ON/CANCEL/RECALL
(OCR) BUTTON

ALPHA-NUMERIC

LC DISPLAY

9

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Содержание RPR750 Series

Страница 1: ...Manual Service Guide RPR750 Series Paging Receiver TM1215 Issue 6 0 Time critical messaging...

Страница 2: ...TM1215 Iss 6 0 RPR750 Issue Control Issue Date Remarks 6 0 15 03 10 First Issue of re formatted document including MKII Decoder PCB and revised case style data i...

Страница 3: ...s 9 2 3 Wearing the Pager 10 2 4 Operation of the Pager 10 2 5 Options Features 16 3 Technical Description 22 3 1 Physical Construction 22 3 2 Functional Description 23 4 Servicing 28 4 1 Routine Main...

Страница 4: ...or errors In accordance with the company policy of continuous product development the content of this manual may be altered The user of this document should ensure that they are in possession of the...

Страница 5: ...ETAILED SERVICING OF THIS PRODUCT VARIANT AND ANY SUCH ITEMS SHOULD BE RETURNED TO MULTITONE FOR REPAIR DO NOT TAKE STANDARD VERSIONS OF THIS PAGER INTO AREAS WHERE EXPLOSIVE MIXTURES MAY BE PRESENT W...

Страница 6: ...ause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Any unauthorised modification to this device may void the us...

Страница 7: ...able cells During periods of battery replacement or the pager being switched off an internal back up storage device will enable the retention of data for up to 12 hours For the intrinsically safe equi...

Страница 8: ...120s or 300s Time display software enabled option on or off May be set within the pager or received as an off air signal from the controlling system Out of range warning software enabled option alert...

Страница 9: ...stal Frequency UHF Carrier Frequency 45MHz VHF Carrier Frequency 21 4MHz 3 HF Carrier Frequency 455kHz 2 Sensitivity The sensitivity figures specified are on body typical for operation at the ambient...

Страница 10: ...ns 25MHz 1GHz 2nW 1GHz 4GHz 20nW 1 2 2 EMC Performance In accordance with the requirements of the European R TTE Directive the RPR 750 Series Paging Receivers are also compliant with the following add...

Страница 11: ...S Variants See User Guide supplied with product or contact Multitone 1 2 4 Operational Environment Temperature 10 C to 55 C Humidity 90 RH non condensing Ingress Protection designed to meet IP54 Stora...

Страница 12: ...made of all the warnings and cautions outlined in the Preliminary Section and Section 1 of this manual especially in relation to use of this equipment in hazardous areas 2 2 Controls Indicators See Fi...

Страница 13: ...gramming then the display will show a flashing sequence of EEEEEEEEEEEEEE In this instance the functionality of the pager is limited to engineering mode absence mode for re programming and OFF 2 4 2 S...

Страница 14: ...nd pager is not out of range or internal clock option has been activated Mute status mute Pager is in mute mode Vibrate vibrate Vibrate option selected On status on No other status message to display...

Страница 15: ...8 cadence patterns are available which may be mapped to each RIC and function code 2 4 7 Cancelling Alerts An alert may be cancelled by pressing the CANCEL button which will terminate the LED tone and...

Страница 16: ...MUTE status or change modes during an extended alert The alert must first be cancelled and the call viewed from memory b The 120s alert interval is programmable from 2 to 512s although 120 and 300 se...

Страница 17: ...is the first part of the message screen and may consist of a time stamp or a message number Mx where x 1 5 plus the initial part of the message if it is more than 14 characters all if it is less as i...

Страница 18: ...speech channel with a further press of the CANCEL button Any speech calls received whilst in the mute mode and without an override beep code will be stored without the speech channel being opened 2 4...

Страница 19: ...ers in length may be programmed into a pager 2 5 OPTIONS FEATURES 2 5 1 Time Of Day The Time Of Day function may be derived from either one of two sources If the system on which the pager is to be use...

Страница 20: ...iginal call has not been decoded with 100 confidence In this case the subsequent call will be accepted and will overwrite the original message in the pager s memory In both cases however a normal aler...

Страница 21: ...a programmable message of up to 9 characters Unless programmed otherwise the default message will be the pager s RIC receiver identity code number This message may be programmed either prior to bring...

Страница 22: ...es Changing the Battery Battery Care The pager can be used with any 1 5 Volt nominal AA LR6 sized primary cell or for re chargeable applications NiMH secondary cells It should be noted that battery li...

Страница 23: ...battery by placing your forefinger onto the positive end cap and lifting the battery upwards at the same time pushing slightly backwards against the negative contact spring Remove the battery by plac...

Страница 24: ...y Door Re fitting Finally whilst holding the battery door in place re insert the metal clip back into the guides on the case rear and slide the clip into place ensuring that the retaining lug re locat...

Страница 25: ...tery compartment door assembly in the case back The principal PCB s the Radio and Decoder are mounted one over the other with electrical connection between them achieved by means of a multi way plug s...

Страница 26: ...TM1215 Iss 6 0 RPR750 3 2 FUNCTIONAL DESCRIPTION 23...

Страница 27: ...which is close to the 1st Image frequency This gives approximately 4 attenuation at the Image frequency T and L403 tune the collector of TR406 to the third harmonic of XL401 This circuit provide the...

Страница 28: ...s fed back into IC401 on Pin 9 T Pin 9 of PL401 and test point TP1 the latter providing a measurement test point for receiver tuning using SINAD measurement techniques The detector output also connect...

Страница 29: ...to the back up battery to maintain the internal clock and messages 3 2 4 2 Audio The Audio section consists of speech storage chip IC3 a pre amplifier IC9 digital potentiometers IC7 and IC11 MKII onl...

Страница 30: ...ssage memory function for a minimum of 12 hours IC5 is a voltage detector which controls the reset signal to IC1 IC12 When the supply line VDD falls below 2 2V IC5 triggers the RESET line to IC1 IC12...

Страница 31: ...pped and authorised workshops Liability is not accepted for any work carried out by third parties Workshops must be free from hostile radio interference or equipped with suitable screening facilities...

Страница 32: ...tment slider is set to the top of the clip and that the metal back plate has been straightened To replace the clip insert the top of the metal back plate into the grooves of the clip housing Slowly pu...

Страница 33: ...tons For later equipments the buttons may remain in situ in the case front unless replacement is required Remove the 2 fixing screws located at the top rear of the case Locate the catch on the outer e...

Страница 34: ...g catches on case rear moulding 4 4 3 PCB Separation NOTE PCB profiles are illustrative only and may vary for each model of the RPR 750 Lift here To remove the radio PCB gently lever up the edge of th...

Страница 35: ...display module engage correctly behind the buttons in the front case moulding and that the display module sits correctly in front of the loudspeaker retaining clip Gently squeeze the top halves of the...

Страница 36: ...onnecting strip Grip and pull the display assembly away from the decoder PCB Grip display assembly and pull away from decoder Flexible connecting strip Retaining clips 4 5 Servicing Information for th...

Страница 37: ...1 5V nominal dc power source Digital Multimeter Oscilloscope Test Encoder P645 RF Signal Generator Multitone P648 Programming Unit 4 5 3 Component Location Points MKI Decoder 0261 7498 Topside HF Vari...

Страница 38: ...operation of the voltage converter IC10 the series inductor L1 or the rectifier diode D29 With a scope probe on IC10 Pin 1 check for the converter oscillating a short circuit on the 3 3V rail would pr...

Страница 39: ...Display Module LCM for a known good unit If the display starts to work replace the faulty LCM 4 5 6 Display Backlight does not work Check that the backlight has not been software inhibited battery low...

Страница 40: ...s duration and that there is no escalating alert When the alert sequence is complete check that IC9 pin 5 EN2 and IC8 pin 2 EN1 are both set to 3V3 This enables both the speech pre amplifier and power...

Страница 41: ...n in millimetres and are approximate Diagrams showing hole positions for tuning points on a dummy case front The suggested drilled hole diameter is 6 6 5mm N B It is essential to retain the loudspeake...

Страница 42: ...Tuning CV402 RF Stage Image Filter Tuning CV403 RF Stage Image Filter Tuning CV404 Fine Frequency Setting Test Points Test Point Signal Description TP1 Audio 30mV Audio O P TP2 TP3 455kHz IF Signal T...

Страница 43: ...evel as necessary Fit the case front and adjust CV 401 for best SINAD gradually reducing the RF signal level as necessary Remove R416 TP6 TP7 link and any other connections made during this procedure...

Страница 44: ...attery Positive 4 7 4 Procedure Set the signal generator to the RF channel frequency and modulate the carrier with the audio output from the SINAD meter Set the FM deviation to the appropriate level f...

Страница 45: ...r MKI PCB Layout 0261 7498 2 Main Board Decoder MKII Circuit Diagram 2961 8242 2 Main Board Decoder MKII PCB Layout 0261 8243 3 HF Radio Circuit Diagram 2961 7673 9 HF Radio Board PCB Layout 0261 7674...

Страница 46: ...TM1215 Iss 6 0 RPR750 MKI Decoder Circuit Diagram 2961 7497 Sheet 1 43...

Страница 47: ...TM1215 Iss 6 0 RPR750 MKI Decoder Circuit Diagram 2961 7497 Sheet 2 44...

Страница 48: ...TM1215 Iss 6 0 RPR750 MKI Decoder Circuit Diagram 2961 7497 Sheet 3 45...

Страница 49: ...TM1215 Iss 6 0 RPR750 MKI Decoder PCB Layout 0261 7498 Sheet 1 46...

Страница 50: ...TM1215 Iss 6 0 RPR750 MKI Decoder PCB Layout 0261 7498 Sheet 2 47...

Страница 51: ...TM1215 Iss 6 0 RPR750 MKII Decoder Circuit Diagram 2961 8242 Sheet 1 48...

Страница 52: ...TM1215 Iss 6 0 RPR750 MK1I Decoder Circuit Diagram 2961 8242 Sheet 2 49...

Страница 53: ...TM1215 Iss 6 0 RPR750 MKII Decoder Circuit Diagram 2961 8242 Sheet 3 50...

Страница 54: ...TM1215 Iss 6 0 RPR750 MKII Decoder PCB Layout 0261 8243 Sheet 1 51...

Страница 55: ...TM1215 Iss 6 0 RPR750 MKII Decoder PCB Layout 0261 8243 Sheet 2 52...

Страница 56: ...TM1215 Iss 6 0 RPR750 HF Radio Circuit Diagram 2961 7673 Sheet 1 53...

Страница 57: ...TM1215 Iss 6 0 RPR750 HF Radio Circuit Diagram 2961 7673 Sheet 2 54...

Страница 58: ...TM1215 Iss 6 0 RPR750 HF Radio PCB Layout 0261 7674 Sheet 1 55...

Страница 59: ...TM1215 Iss 6 0 RPR750 HF Radio PCB Layout 0261 7674 Sheet 2 56...

Страница 60: ...TM1215 Iss 6 0 RPR750 VHF Radio Circuit Diagram 2961 7494 Sheet 1 57...

Страница 61: ...TM1215 Iss 6 0 RPR750 VHF Radio Circuit Diagram 2961 7494 Sheet 2 58...

Страница 62: ...TM1215 Iss 6 0 RPR750 UHF Radio Circuit Diagram 2961 7834 Sheet 1 59...

Страница 63: ...TM1215 Iss 6 0 RPR750 UHF Radio Circuit Diagram 2961 7834 Sheet 2 60...

Страница 64: ...TM1215 Iss 6 0 RPR750 VHF UHF Radio PCB Layout 0261 7495 Sheet 1 61...

Страница 65: ...RPR750 62 VHF UHF Radio PCB Layout 0261 7495 Sheet 2 TM1215 Iss 6 0...

Страница 66: ...s plc Shortwood Copse Lane Kempshott Basingstoke Hampshire RG23 7NL Registered in England No 256314 TM1215 Iss 6 0 RPR750 Cert No FM20122 Multitone Electronics plc Multitone House Shortwood Copse Lane...

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