Unication NP88 POCSAG Manual de Serviço descarregar pdf (Página 7)

1-2 June 21,2004

GENERAL NP88 FLEX

About This Publication

Revisions

Any changes that occur after manuals a re printed are described in Publication

Revision bulletins.

Related Publications

Warning: Emphasizes information about actions which may result in personal

injury.

Operating Instructions:

NP88 Encoreâ! 6881015B75

PRO Encoreâ! 6881021B41

NP88 FLXä 6881021B43

Other Publications:

NP88 Encoreâ!/RSVP Pager

Programming Guide

6881015B76

PRO Encoreâ!

Programming Software User’s Guide

6881023B95

PRO Encoreâ! /NP88 FLXä Pager

Programming Software User’s Guide

6881021B65

Supplements Refer to applicable

receiver and decoder

sections

1 2 3 4 5 6 7 8 9 10 11 12 ... 64 65

SERVICE MANUAL 1
Foreword 2
Computer Software Copyrights 3
About This Publication 6
Revisions 7
Related Publications 7
Product Overview 9
A ddres s ing 10
Controls and Indic ator 10
Liquid Crystal Display (LCD) 11
7:44a 11-11 12
2: 11:45a 12
Standard Features 13
Message Features 14
Duplicate Message Indicator 14
VIBRA-Page 14
Operation 14
Battery Check And Monitor 16
Reminder Alert 16
Standard Options 17
Time and Date Options 17
Alert Options 18
− 60-second lockout 19
− 150-second lockout 19
− 390-second lockout 19
FLEX-Specific Options 20
Automatic Message Formatting 21
Automatic Reset 21
Erroneous Data Indication 21
Out of Range Option 21
Theory of Operation 22
General Circuit Description 23
Receiver 24
Paging Coding Schemes 25
Figure 1-9 27
Removing the Back Cover 28
Replacing the Back Cover 29
Figure 1-13 30
Figure 1-14 30
Removing the Receiver Board 31
Replacing the Receiver B oard 31
F igure 1-16 32
F igure 1-17 32
Troubleshooting 33
Corrective Maintenance 34
Self-Diagnostic Feature 34
June 21, 2004 1-31 36
NP88 FLEX GENERAL 36
Paging Sensitivity Check 37
Circuit Checks 39
ΔI is between 2% and 15% 40
Backend Filter Measurement 43
Contents 46
Model Numbers 47
Operating Modes 48
Page Alert/Display Mode 49
Circuit Description 50
Alert Circuitry 51
FLEX Pagers 53
No Audible Alert 55
No Vibrator Alert 56
No Backlighting 57
NOTE: THIS PAGER DOES NOT 58
REQUIRE DATA INVERSION, BUT 58
CAN BE CONFIGURED FOR 58
INVERSION DUE TO TERMINAL 58
REQUIREMENTS 58
June 21, 2004 3-i 60
NP88 FLEX RECEIVER 61
Specifications 61
June 21, 2004 3-1 61
RECEIVER NP88 FLEX 62
3-2 June 21, 2004 62
NP88 FLEX RECEIVER 63
June 21, 2004 3-3 63
3-4 June 21, 2004 64
Oscillator Frequencies 65
June 21, 2004 3-5 65

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