xiv
RF Tests ..................................................................................................................................................... 5.1-8
Receiver Tests ...................................................................................................................................... 5.1-8
Transmitter Tests .................................................................................................................................. 5.1-8
Call Processing Test................................................................................................................................... 5.1-9
Talk Back .............................................................................................................................................. 5.1-9
Call to Mobile........................................................................................................................................ 5.1-9
Digital Duplex Test (Tx) .............................................................................................................................. 5.1-9
Manual Mode Testing ............................................................................................................................... 5.1-11
Preparation for Testing ....................................................................................................................... 5.1-11
Charger Recognition Test ................................................................................................................... 5.1-15
Service Flowchart..................................................................................................................................... 5.1-16
Typical Test Setup ...................................................................................................................................... 5.2-2
Alternative Test Setup ................................................................................................................................ 5.2-3
Test Check List........................................................................................................................................... 5.2-3
Transmitter Tests ............................................................................................................................ 5.2-4
Call Processing Tests ..................................................................................................................... 5.2-4
Duplex Test ..................................................................................................................................... 5.2-4
RF Tests ..................................................................................................................................................... 5.2-8
Receiver Tests ...................................................................................................................................... 5.2-8
Transmitter Tests .................................................................................................................................. 5.2-8
Call Processing Test................................................................................................................................... 5.2-9
Talk Back .............................................................................................................................................. 5.2-9
Call to Mobile........................................................................................................................................ 5.2-9
Digital Duplex Test (Tx) .............................................................................................................................. 5.2-9
Manual Mode Testing ............................................................................................................................... 5.2-11
Preparation for Testing ....................................................................................................................... 5.2-11
Tests ................................................................................................................................................... 5.2-11
Charger Recognition Test ................................................................................................................... 5.2-14
Service Flowchart..................................................................................................................................... 5.2-15
Preventive Maintenance................................................................................................................................ 6-1
Inspection .......................................................................................................................................... 6-1
Cleaning ............................................................................................................................................ 6-1
Safe Handling of CMOS Devices .................................................................................................................. 6-2
To create a proper ground ................................................................................................................. 6-5
MTP850 TETRA Handportable Terminal / Basic Service Manual