Shively Labs 6842, Instruction Manual Installation, Operation, & Maintenance, Page: 6 / 64

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Table of Contents
Chapter 7 Connecting the Antenna (2-bay) .....................................27
Mount the power divider...................................................................... 27
Connect the antenna cables. ................................................................ 27
Install the optional fine-matching transformer
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(if applicable)................................................................... 27
Figure 16 Bay cable connection ..................................................... 28
Connect the tower transmission line. .................................................... 28
Figure 17 Two-way power divider, mounted and connected............. 29
Chapter 8 Connecting the Antenna (3-bay to 8-bay).......................31
Mount the power divider...................................................................... 31
Figure 18 Power divider, mounted and connected........................... 31
Install the optional fine-matching transformer (if applicable) .................. 32
Connect the antenna cables. ................................................................ 32
Figure 19 Bay cable connection ..................................................... 33
Connect the tower transmission line. .................................................... 33
Chapter 9 Startup.............................................................................35
Before beginning initial characterization:............................................... 35
Read transmission line VSWR............................................................... 35
Read transmission line TDR. ................................................................ 35
Read system VSWR. ............................................................................ 35
Trim impedance. ................................................................................. 36
Figure 20 Impedance-matching transformer ................................... 36
Before beginning checkout: ................................................................. 37
Check out........................................................................................... 37
Operate.............................................................................................. 37
Figure 21 Apply the signal............................................................. 38
Chapter 10 Maintenance ..................................................................39
Log .................................................................................................... 39
Inspection .......................................................................................... 39
Paint .................................................................................................. 39
Return policy ...................................................................................... 39
Troubleshooting .................................................................................. 39
Broad spectrum RF noise. .............................................................. 39
High VSWR ................................................................................... 39
Change in coverage....................................................................... 39
Chapter 11 Parts ..............................................................................41
Bay components ................................................................................. 41
Table 4 Components, 6842 bay without de-icers (per antenna bay) 41
Table 5 Components, 6842 bay with de-icers (per antenna bay) ..... 41
Figure 22 Components, 6842 bay without endseal radome .............. 42
Table 6 Kit, endseal radome (per antenna bay) ............................. 42
Figure 23 Endseal radome components.......................................... 43
Feed system components .................................................................... 44
Table 7 Components, feed system for single-bay antenna ............. 44
Table 8 Components, feed system for 2-bay antenna .................... 44