Motorola GTR 8000 Manual page 10

GTR 8000 Base Radio
4.5 Using VoyenceControl to Configure Centralized Authentication on Devices............................................... 4-33
5 GTR 8000 Base Radio Optimization.............................................................................................................. 5-1
5.1 Aligning the Internal Frequency Reference Oscillator .............................................................................. 5-1
5.1.1 GTR 8000 Base Radio Time and Frequency Inputs ........................................................................ 5-2
5.2 Equalizing the Battery ....................................................................................................................... 5-2
5.3 Aligning ASTRO Simulcast (Trunked Operation) ................................................................................... 5-3
5.4 Aligning ASTRO/Analog Simulcast (Conventional Operation).................................................................. 5-3
5.5 Aligning Carrier Squelch.................................................................................................................... 5-3
5.6 Aligning Tx Wireline......................................................................................................................... 5-4
5.7 Aligning Rx Wireline ........................................................................................................................ 5-4
5.8 Tuning a Preselector .......................................................................................................................... 5-4
5.8.1 VHF Tuning Procedures............................................................................................................ 5-5
5.8.1.1 Calculating Proper VHF Alignment Frequency ....................................................................... 5-5
5.8.1.1.1 Calculating The VHF Alignment Frequency For a Single Receive Frequency ...................... 5-5
5.8.1.1.2 Calculating The VHF Alignment Frequency for Multi Receive Frequencies ........................ 5-5
5.8.1.2 Preparing The Equipment For VHF Alignment ....................................................................... 5-6
5.8.1.3 VHF Tuning Procedure ...................................................................................................... 5-6
5.8.1.3.1 Tuning The VHF Preselector...................................................................................... 5-8
5.8.2 UHF Tuning Procedures............................................................................................................ 5-8
5.8.2.1 Calculating Proper UHF Alignment Frequency ....................................................................... 5-8
5.8.2.1.1 Calculating The UHF Alignment Frequency For a Single Receive Frequency ...................... 5-8
5.8.2.1.2 Calculating The UHF Alignment Frequency For Multi Receive Frequencies ....................... 5-9
5.8.2.2 Preparing The Equipment For UHF Alignment ..................................................................... 5-10
5.8.2.3 UHF Tuning Procedure .................................................................................................... 5-10
5.8.2.3.1 Tuning The UHF Preselector.................................................................................... 5-12
5.9 Tuning a Duplexer .......................................................................................................................... 5-12
5.9.1 Field Tuning Overview ........................................................................................................... 5-12
5.9.2 Required Test Equipment ........................................................................................................ 5-13
5.9.3 Tuning a 700/800 MHz Duplexer.............................................................................................. 5-13
5.9.4 Tuning a VHF Duplexer.......................................................................................................... 5-13
5.9.4.1 Setting Up for Tuning a VHF Duplexer ............................................................................... 5-14
5.9.4.1.1 How To Set Up Tuning The VHF Duplexer ................................................................ 5-15
5.9.4.2 Tuning VHF Duplexer Low Pass Resonators ........................................................................ 5-15
5.9.4.2.1 How To Tune VHF Duplexer Low Pass Resonators ...................................................... 5-16
5.9.4.3 Tuning VHF Duplexer High Pass Resonators ....................................................................... 5-16
5.9.4.3.1 How To Tune VHF Duplexer High Pass Resonators ..................................................... 5-17
5.9.4.4 Tuning VHF Duplexer High Notch Loop Assemblies............................................................. 5-17
5.9.4.4.1 How To Tune VHF Duplexer High Notch Loop Assemblies........................................... 5-18
5.9.4.5 Tuning VHF Duplexer Low Notch Loop Assemblies ............................................................. 5-18
5.9.4.5.1 How To Tune VHF Duplexer Low Notch Loop Assemblies ........................................... 5-19
5.9.4.6 Verifying VHF Duplexer Insertion Loss .............................................................................. 5-19
5.9.4.6.1 How To Verify VHF Duplexer Insertion Loss.............................................................. 5-21
5.9.4.7 Verifying VHF Duplexer Isolation...................................................................................... 5-21
5.9.4.7.1 How To Verify VHF Duplexer Isolation ..................................................................... 5-23
5.9.4.8 VHF Duplexer Post Tuning Checks .................................................................................... 5-23
5.9.5 Tuning a UHF Duplexer.......................................................................................................... 5-23
5.9.5.1 Setting Up for Tuning a UHF Duplexer ............................................................................... 5-24
5.9.5.1.1 How To Set Up Tuning the UHF Duplexer.................................................................. 5-25
5.9.5.2 Tuning UHF Duplexer Low Pass Resonators ........................................................................ 5-25
5.9.5.2.1 How To Tune UHF Duplexer Low Pass Resonators ...................................................... 5-26
5.9.5.3 Tuning UHF Duplexer High Pass Resonators ....................................................................... 5-26
5.9.5.3.1 How To Tune UHF Duplexer High Pass Resonators ..................................................... 5-27
5.9.5.4 Tuning UHF Duplexer High Notch Loop Assemblies............................................................. 5-27
5.9.5.4.1 How To Tune UHF Duplexer High Notch Loop Assemblies........................................... 5-28
5.9.5.5 Tuning UHF Duplexer Low Notch Loop Assemblies ............................................................. 5-28
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