Series 04 Ku-Band TVRO Antenna

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Setup Series 04 Ku-Band TVRO Antenna The ACU also provides a contact closure to ground on the SW1 terminal (J3-11) on the Terminal Mounting Strip when the antenna is pointed within the blockage region or the system is searching, targeting or unwrapping. The contact closure is a transistor switch with a current sinking capability of 1 Amp. This signal can be used to control dual antenna coax switches to select IF signal connections from a second antenna when the primary antenna is blocked. Programming instructions: Determine the Relative AZ limits that cause signal blockage by monitoring the REL display readings or by graphing the expected blockage pattern. The Relative angles are with respect to the Pedestal reference, which is normally pointed at the bow (360.0 Relative). In a dual cable-wrap antenna system, one of the antennas may be pointed aft so its relative limits will be with respect to aft. The relative angles must be in the range of 0 to 360 degrees (0000-3600). Convert the relative readings to limit values by multiplying by 10. Enter the beginning of the blockage region as AZ LIMIT 1 and the end of the region (clockwise direction from AZ LIMIT 1) as AZ LIMIT 2. EXAMPLE: A drill ship has two antennas mounted in the front of the ship with a derrick blocking the antenna’s view to the rear. The Port antenna is mounted referenced to the bow and is blocked from 160 to 175 degrees. The Starboard antenna is mounted reference to the stern and is blocked from 355 to 375 degrees relative to the stern. (375-360=015). The limits for the port antenna are: The limits for the starboard antenna are: AZ LIMIT 1 = 160 x 10 = 1600 AZ LIMIT 1 = 355 x 10 = 3550 AZ LIMIT 2 = 175 x 10 = 1750 AZ LIMIT 2 = 15 x 10 = 0150 Note: The AZ LIMITS of the starboard antenna are entered as 355 to 375 degrees. This defines a blockage zone of 20 degrees. If the limits were entered as 015 to 355, the blockage zone would be 340 degrees. 5-2
Series 04 Ku-Band TVRO Antenna Setup 5.5. Default Setup Parameters – Series 04 The following table shows the factory default parameters for the DAC-2200 interfaced to a Series 04 Antenna PCU. When the installation & setup of your system is finished you can record the “optimized” settings for your system in the “My Parameters” column. Refer to the Setup Flow-Charts and individual parameter setting information in the Setup section of your DAC-2200 manual for how to enter/change the parameters. PARAMETER Ku DishScan My Parameters EL TRIM 0 AZ TRIM 0 AUTO THRES 3004=100, 4004=130, 5004=160 EL STEP SIZE 0 AZ STEP SIZE 0 STEP INTEGRAL 0 SEARCH INC 10 SEARCH LIMIT 100 SEARCH DELAY 30 SWEEP INC 0080 SYSTEM TYPE 69 GYRO TYPE 0002 POL TYPE 72 POL OFFSET 30 POL SCALE 90 AZ LIMIT 1 0 AZ LIMIT 2 0 5V OFFSET 0 5V SCALE 0 TX POLARITY 2 5-3
Page 1 and 2: INSTALLATION AND OPERATION MANUAL F
Page 4 and 5: Revision History REV ECO# Date Desc
Page 6 and 7: Table of Contents Series 04 Ku-Band
Page 8 and 9: Table of Contents Series 04 Ku-Band
Page 10 and 11: Introduction Series 04 Ku-Band TVRO
Page 12 and 13: Operation Series 04 Ku-Band TVRO An
Page 14 and 15: Basic System Information Series 04
Page 22 and 23: Installation Series 04 Ku-Band TVRO
Page 24 and 25: Installation Series 04 Ku-Band TVRO
Page 28 and 29: Setup Series 04 Ku-Band TVRO Antenn
Page 30 and 31: Functional Testing Series 04 Ku-Ban
Page 32 and 33: Troubleshooting and Maintenance Ser
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Troubleshooting and Maintenance Ser
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Specifications Series 04 Ku-Band TV
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Drawings Series 04 Ku-Band TVRO Ant
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SINGLE LEVEL MFG BILL OF MATERIAL F
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NOTES: (UNLESS OTHERWISE SPECIFIED)
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NOTES: (UNLESS OTHERWISE SPECIFIED)
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Series 04 Ku-Band TVRO Antenna

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