Codan Radio Communications UT-4-400 User Manual
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 Transmitter 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
1.1 Introduction.............................................................................. 1-1
1.2 Interim Operation........................................................................ 1-1
1.3 Manual Organization.................................................................... 1-1
1.4 UT-4R400 Transmitter 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
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
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