User Manual
Table Of Contents
- 1GENERAL
- 1.1Introduction
- 1.2Interim Operation
- 1.3Manual Organization
- 1.4UT-4R400 Transmitter Family Models
- 1.5Performance Specifications
- 1.5.1General
- 1.5.2Audio Specifications
- 1.5.3Physical Specifications
- 2THEORY OF OPERATION
- 2.1General
- 2.2Power Supply
- 2.3High Speed Serial Interconnect
- 2.4Audio Circuits
- 2.5PTT Circuitry
- 2.6Microprocessor Board
- 2.7Channel and Bank Selection
- 2.7.1Channel Select Line Mapping
- 2.8Jumper Functions and standard configuration
- 2.9Hang Timer Selection
- 2.10Kerchunk noise selection
- 2.11Test Points
- 2.12Connector Pinouts
- 2.12.1Connector J9
- 2.12.2Connector P1
- 2.13Transmitter Programming
- 2.13.1Transmitter Wide Options
- 2.13.1.1Frequency Band
- 2.13.1.2Source ID
- 2.13.1.3Secure Hardware Equipped
- 2.13.1.4Timeout Options
- 2.13.2Channel Wide Settings
- 2.13.2.1Channel Name
- 2.13.2.2Frequency
- 2.13.2.3Analog Bandwidth
- 2.13.2.4Deviation
- 2.13.2.5Channel Type
- 2.13.2.6Audio Pre-emphasis
- 2.13.2.7Timeout Value
- 2.13.2.8Project 25 Squelch Settings: Network Access Code (NAC)
- 2.13.2.9Project 25 Squelch Settings: Talk Group ID (TGID)
- 2.13.2.10Analog Signaling Settings: Signaling
- 2.13.2.11Analog Signaling Settings: CTCSS Tone
- 2.13.2.12Analog Signaling Settings: Reverse Burst
- 2.13.2.13Analog Signaling Settings: DCS Code
- 2.13.2.14Analog Signaling Settings: Turnoff Code
- 2.13.2.15Analog Squelch Settings: Invert DCS
- 3Transmitter Assembly and Adjustment
- 3.1Frequency Change
- 3.2Minor Frequency Change
- 3.3Major Frequency Change
- 3.4Digital Signal Processor Board Alignment
- 3.4.1Radio Service Software
- 3.4.2Radio Programming Interface Module Interconnection
- 3.4.3Reference Oscillator Adjustment
- 3.4.4Transmitter Deviation Balance Adjustment
- 3.4.5Transmitter Deviation Limit Adjustment
- 3.4.6Audio Level Alignment
- 3.4.7Amplifier Alignment
- 3.5Recommended Test Equipment List
- 3.6Repair Note
- 3.7Printed Circuit board Numbering Convention
- 4Repeater System Configuration
- 4.1Interim Repeater
- 4.1.1Repeater Interconnect Cable Pinout
- 4.2Project 25 Compliant Repeater
- 4.3Repeater System Troubleshooting
- 5ILLUSTRATIONS
- 5.1Digital Repeater Transmitter Front Panel
- 5.2Digital Repeater Transmitter Exploded View
- 5.3Digital Repeater Transmitter Block Diagram (Interim Mode)
- 5.4Digital Repeater Transmitter Schematic Diagram
- 5.5Digital Repeater Transmitter Main Board Component Layout (Bottom)
- 5.6Digital Repeater Transmitter Main Board Component Layout (Top)
- 5.7Digital Repeater Microprocessor Board Component Layout (Bottom)
- 5.8Digital Repeater Microprocessor Board Component Layout (Top)
- 6PARTS LIST
- 6.1Digital Repeater Transmitter Main Board Parts List
- 6.1.1Digital Repeater Transmitter Main Board Electrical Parts List
- 6.1.2Digital Repeater Transmitter Main Board Mechanical Parts List
- 6.2Digital Repeater Microprocessor Board Parts List
- 6.2.1Digital Repeater Microprocessor Board Electrical Parts List
- 6.2.2Digital Transmitter Additional PCBs
- 7REVISION HISTORY
2-UT-4/400 UHF Project 25
Digital
Transmitter
Instruction
Manual
iii
TABLE OF CONTENTS
Page
1 GENERAL..................................................................................... 1-1
1.1
Introduction
.............................................................................. 1-1
1.2
Interim
Operation
........................................................................ 1-1
1.3
Manual
Organization
.................................................................... 1-1
1.4 UT-4R400
Transmitt
er
Family
Models............................................... 1-2
1.5
Performance
Specifications
............................................................ 1-2
1.5.1
General................................................................................ 1-2
1.5.2
Audio
Specifications
................................................................. 1-3
1.5.3
Physical
Specifications
.............................................................. 1-4
2
THEORY OF OPERATION
................................................................. 2-1
2.1 General................................................................................... 2-1
2.2 Power Supply ........................................................................... 2-1
2.3 High Speed Serial
Interconnect
........................................................ 2-2
2.4 Audio
Circuits
........................................................................... 2-2
2.5 PTT
Circuitry
............................................................................ 2-2
2.6
Microprocessor
Board.................................................................. 2-2
2.7 Channel and Bank
Selection
........................................................... 2-2
2.7.1
Channel
Select
Line Mapping....................................................... 2-3
2.8 Jumper Functions and standard
configuration
....................................... 2-3
2.9 Hang
Timer
Selection
................................................................... 2-4
2.10 Kerchunk noise
selection
............................................................... 2-5
2.11 Test Points ............................................................................... 2-5
2.12 Connector Pinouts ...................................................................... 2-6
2.12.1
Connector J9.......................................................................... 2-6
2.12.2
Connector P1 ......................................................................... 2-6
2.13
Transmitter
Programming.............................................................. 2-6
2.13.1
Transmitter
Wide
Options
........................................................... 2-7
2.13.1.1
Frequency Band ................................................................. 2-7
2.13.1.2
Source ID......................................................................... 2-7
2.13.1.3
Secure Hardware Equipped .................................................... 2-7
2.13.1.4
Timeout
Options
................................................................. 2-7
2.13.2
Channel Wide Settings .............................................................. 2-8
2.13.2.1
Channel Name ................................................................... 2-8
2.13.2.2
Frequency ........................................................................ 2-8
2.13.2.3
Analog
Bandwidth............................................................... 2-8
2.13.2.4
Deviation
.......................................................................... 2-8
2.13.2.5
Channel Type .................................................................... 2-8
2.13.2.6
Audio Pre-emphasis............................................................. 2-9
2.13.2.7
Timeout
Value
.................................................................... 2-9
2.13.2.8
Project 25 Squelch
Settings:
Network Access Code (NAC) ............... 2-9
2.13.2.9
Project 25 Squelch
Settings:
Talk Group ID (TGID)........................ 2-9