Radio Alignment Procedures
: Transmitter Alignments
6-7
Figure 6-8. Reference Oscillator Alignment Screen (700/800 MHz)
1. Make sure the Communication Analyzer is in
Manual
mode.
VHF
• Set the base frequency to 173.975 MHz
UHF1
• Set the base frequency to 469.925 MHz
UHF2
• Set the base frequency to 519.975 MHz
700/800 MHz
• Set the base frequency to 869.8875 MHz
2. Adjust the reference oscillator’s softpot value with the slider until the measured value is as
close as possible to the frequency shown on the screen. See
.
NOTE:
Increases the slider decreases the frequency and vice versa.
Summary of Contents for APX 4000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li BASIC SERVICE MANUAL ...
Page 6: ...Notes iv Commercial Warranty ...
Page 8: ...ii Notes ...
Page 16: ...x Portable Radio Model Numbering System Notes ...
Page 46: ...3 12 Basic Theory of Operation Controller Section Notes ...
Page 60: ...5 12 Performance Checks Transmitter Performance Checks Notes ...
Page 128: ...8 34 Disassembly Reassembly Procedures Ensuring Radio Submergibility Notes ...
Page 142: ...Index 4 Index Notes ...
Page 144: ...ii Notes ...
Page 150: ...viii List of Figures Notes ...
Page 152: ...x Portable Radio Model Numbering System Notes ...
Page 240: ...7 32 Disassembly Reassembly Procedures Ensuring Reliable Splash Protection Notes ...
Page 250: ...9 6 Exploded Views and Parts Lists APX 1000 Back Kit Exploded View Parts List Notes ...
Page 254: ...Index 4 Index Notes ...
Page 255: ...Title Page ASTRO APX 1000 Digital Portable Radios Section 3 900 MHz APX 1000 ...
Page 256: ......
Page 262: ...viii List of Figures Notes ...
Page 264: ...x Portable Radio Model Numbering System Notes ...
Page 278: ...3 8 Basic Theory of Operation Controller Section Notes ...
Page 336: ...7 32 Disassembly Reassembly Procedures Ensuring Reliable Splash Protection Notes ...
Page 346: ...9 6 Exploded Views and Parts Lists APX 1000 Back Kit Exploded View Parts List Notes ...
Page 350: ...Index 4 Index Notes ...
Page 352: ...ii Notes ...
Page 360: ...x Portable Radio Model Numbering System Notes ...
Page 400: ...5 12 Performance Checks Transmitter Performance Checks Notes ...
Page 428: ...6 28 Radio Alignment Procedures Performance Testing Notes ...
Page 434: ...7 6 Encryption Erase an Encryption Key Notes ...
Page 478: ...8 44 Disassembly Reassembly Procedures Ensuring Radio Submergibility Notes ...
Page 490: ...ii Notes ...
Page 492: ...A 2 Accessories Notes ...
Page 496: ...Notes B 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 520: ...Glossary 12 Glossary Notes ...
Page 524: ...Index 4 Index Notes ...
Page 525: ......