Nautel Vector-LP VR125 - Part of NAPI78 B;02 Remote Interface PWB A3

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Page 3-10 Vector-LP Radio Beacon Transmitter Technical Instruction Manual

Issue 1.1 Section 3 Operating Instructions

Figure 3-

5 Part of NAPI78B/02 Remote Interface PWB A3

E18

E5 – E8

E17

E11

E13 - E15

E4R37

R163

Main Page

Reference Designations4
Electrical Schematics5
- Declaration of Conformity7
- Table of Contents9
Introduction10
Factory Support19
Purpose and Scope of Manual19
Purpose of Equipment19
Remote Interface20
- Mechanical Description20
Glossary of Terms20
Recommended Site Test Equipment21
Glossary of Terms22
Transmitter Dimensions23
Transmitter Weights23
Transmitter Clearances23
Air Flushing23
Cooling and Heating23
Work Area23
Preparation for Use and Installation23
Introduction23
Preparation for Use23
- Transmitter Room Requirements23
Lightning Protection24
Station Reference Ground24
- Ac Power Source24
  - Ac Wiring24
Vector-LP Transmitter Environment Considerations25
- Antenna Feed Cable29
- Antenna Tower29
- External Control/Monitor Wiring29
- Electrical Power29
- Antenna System30
  - RF Feed Cable30
- Internal DDS Source30
- External Interlocks31
- Remote Control Circuits31
- Press-To-Talk Input32
- User Assigned Information32
  - Carrier Frequency32
  - Keyed Tone Frequency32
Vector-LP Radio Beacon Transmitter Technical Instruction Manual Feb.24.0932
- Identification Code32
- Standby Codes32
- Serial Port Features33
- Available Options33
Installation35
- Acceptance of Shipment35
- Unpacking Instructions35
- Visual Inspection35
- Cabinet Mounting36
  - Installing External Control/Monitor Wiring36
  - Installing DC Power Source Wiring (Optional)37
RF Filter PWB Tap Settings Vs Frequency (Standard Frequency Band)38
Commissioning39
- Precautions39
- Turn-On Prerequisites39
- Initial Turn-On39
- Operating Instructions43
- Introduction43
- Precautions43
- Emergency Shutdown43
  - Turn off RF Output43
- Complete Shutdown43
- External Safety Interlock43
- Electrostatic Discharge Protection44
- Controls and Indicators44
Mechanical Drawings44
- Front Panel45
  - Exciter Interface PWB46
  - Remote Interface PWB46
Vector-LP Transmitter Front Panel - Control Section48
Front Panel - Control Section Controls and Indicators49
Part of NAPI76A/02 Exciter Interface PWB A250
Exciter Interface PWB Controls and Indicators51
Part of NAPI78B/02 Remote Interface PWB A352
Remote Interface PWB Controls and Indicators53
NAPE70C RF Synthesizer PWB A5 and A854
RF Synthesizer PWB Controls and Indicators55
Miscellaneous RF Power Stage Controls and Indicators57
NAPS35 Battery Boost PWB A16A1 (Optional)58
Battery Boost PWB Controls and Indicators59
Flow Diagram - Diagnostic Display Functions61
Viewing Faults62
- Setting Real Time Clock63
- Setting RF Monitor Limits64
Meter Settings66
- Selecting Analog Meter67
Configuring the Sonalert68
- Changing Factory Calibrated Settings69
- Introduction79
Exciter Panel and Rear View80
- Test Equipment Required81
- Standard Adjustments82
- Non-Standard Adjustments86
  - Battery Boost PWB92
CW Signal Set to Fill Display93
- General95
- Corrective Maintenance96
Troubleshooting Front Panel Alarms97
Replacing an Rf Power Module103
RF Power Module Securing Hardware104
Fet Checking/Replacement105
Exciter Panel Pwb Replacement106
- Exciter Monitor/Generator PWB Replacement107
- Interface PWB Replacement108
Introduction109
- Interface PWB113
Exciter Stage114
- Interphase PDM Driver Pwbs116
Timing Diagram for PDM Differential Amplifier121
- Exciter Monitor/Generator Pwbs123
Control/Monitor Stage124
- Diagnostic Display128
- Front Panel Metering128
- NDB Site Interface PWB (Optional)129
Rf Power Stage130
- RF Filter PWB131
- RF Power Probe PWB135
Simplified Principles of Class 'D' Operation137
Introduction139
Oem Code to Manufacturer Cross-Reference140
Common Abbreviations/Acronyms141
Manufacturer's Index142
Family Tree - Vector-LP Radio Beacon Transmitter143

Nautel Vector-LP VR125 - Part of NAPI78 B;02 Remote Interface PWB A3

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