Unication NP88 POCSAG Manual de Serviço Página 4
- Página / 65
- Índice
- RESOLUÇÃO DE PROBLEMAS
- MARCADORES
- 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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