Channel Master4 75 Manuale utente

Instruction and Assembly Manual

75 Elliptical Antenna System

Printed in U.S.A.

8000915-02

11/02

7291 NW 74th Street • Miami, FL 33166

GlobeCast Technical Service: (888) 988-5288

Manufactured By:

DANGER!!!

WATCH FOR WIRES! Installation of this product near power lines is dangerous. For your own safety,

follow these important safety rules.

1. Perform as many functions as possible on the ground.

2. Watch out for overhead power lines. Check the distance to the power lines before starting

installation. We recommend you stay a minimum of 6 meters (20 feet) from all power lines.

3. Do not use metal ladders.

4. Do not install antenna or mast assembly on a windy day.

5. If you start to drop antenna or mast assembly, get away from it and let it fall.

6. If any part of the antenna or mast assembly comes in contact with a power line, call your local power

company. DO NOT TRY TO REMOVE IT YOURSELF! They will remove it safely.

7. Make sure that the mast assembly is properly grounded.

WARNING!!!

Assembling dish antennas on windy days can be dangerous. Because of the antenna surface, even slight winds

create strong forces. For example, a 1.0m antenna facing a wind of 32 km/h (20 mph) can undergo forces of 269

N (60 lbs). Be prepared to safely handle these forces at unexpected moments. Do not attempt to assemble, move

or mount a dish on windy days or serious, even fatal accidents may occur. The manufacturer is not responsible or

liable for damage or injury resulting from antenna installations.

WARNING!!!

Antennas improperly installed or installed to an inadequate structure are very susceptible to wind damage. This damage

can be very serious or even life threatening. The owner and installer assumes full responsibility that the installation is

structurally sound to support all loads (weight, wind & ice) and properly sealed against leaks. The manufacturer will not

accept liability for any damage caused by a satellite system due to the many unknown variable applications.

WARNING!!!

Antenna installations requiring the installer to work elevated above the ground level should be performed only by trained

professional installers. Failure to comply may result in personal injury or death.

This Installation Manual provides all the information you require to install your system. The instructions are fairly simple,

providing step-by-step instruction for system installation. However, it will require skills in construction, wiring and

assembly to correctly complete the installation.

WARNING: All satellite dish systems must be properly grounded. National and local electrical codes may

require you to ground the dish directly and to insert a grounding block in the coaxial cables running from the

dish to the receiver inside the building. Before beginning installation, carefully read the section on grounding

the dish.

INTRODUCTION

ASSEMBLYTOOLS REQUIRED

This installation requires you to:

• Use hand tools such as a hand drill

• Determine whether water pipes, electrical wiring or gas lines are close to the installation area

• Route coaxial cable through walls and under floors

• Use a compass, protractor and carpenter’s level

• Use a ladder to climb structures

•Know your local and national grounding codes

If you feel you do not have the experience to perform these tasks, contact your satellite retailer to arrange for installation.

You will need the following tools:

• #1 Phillips Screwdriver • Carpenter’s Level

• 1/2 or 13 Hex Wrench, open or combination end • Compass

• Electric Drill and Bits • Protractor

BOLT TORQUE

M6 M8 M10 M12 M16 M20

9.5 24 43 79 195 353

N-m N-m N-m N-m N-m N-m

7 18 32 58 144 260

ft-lbs. ft-lbs. ft-lbs. ft-lbs. ft-lbs. ft-lbs.

GRADE 8.8 (8G) - GOLD COLOR

APPLY 24 N-m (18 ft.-lbs.)

OF TORQUETO M8 BOLT

NOTE:TORQUE FOR M8 ROUND HEAD, SQUARE NECK BOLT IS 16.3 N-m (12 ft-lbs.)

75E Elliptical Dish

75E Az/El Clamp

Mount Assembly

2” diameter

Universal

Mount Assembly

75E Satellite

LNB/Feedhorn Clamp

Assembly

Satellite Feed Support Arm

1 LNB

Weather

Cap

Your 75E Elliptical Dish Kit comes with the following components:

MOUNTING LOCATIONS

Key points to remember when installing your 75E Elliptical Antenna System:

•Do not drill any holes until you’ve confirmed the best location for the dish.

• Make sure the installation of the dish conforms to local electrical and building codes, zoning requirements and other

applicable laws and regulations. If you are unsure, contact your local electrician or building inspector for assistance.

•For possible periodic removal of snow, choose a site that is easily accessible.

•Ensure there are no visible obstructions between the dish and your line of sight to the satellites. Keep in mind that trees will

grow up and outward and may eventually block the signal.

•The maximum allowable length for the RG-6 coaxial cable connecting the receiver to your dish is 125 feet.

• Use only RG-6 grade coaxial cable. Using lower grade RG-59 coaxial cable may result in excessive signal loss and

poor reception. Cable grade type is indicated on the outer jacket.

• Do not install the dish:

• Under power lines

• Where it may be easily tampered with

• Where it is exposed to high winds

• During windy or stormy conditions

Your dish must be mounted on a solid base. To ensure your dish doesn’t move in windy conditions, choose a location where

it can be securely fastened. The mounting surface should be rigid and solid.

IMPORTANT:The Elliptical Dish has a minimum turn radius of +/_35 degrees. If you are mounting the dish on the

side of your house, check the assembled dish and mounting pole to see if you can rotate the dish in the desired

azimuth setting. If you can’t rotate the dish, choose an alternate location.

Key things to remember when choosing a mounting location:

•The mounting surface should be flat, even and in good condition.

•If you install the dish on the roof or side of your house, be sure to attach the bolts into a building stud, rafter or other

solid surface.

•When mounting on the roof of your house, use silicon sealant around the holes where the base of the universal mount

meets the mounting surface. This will prevent the roof from leaking.

• We do not recommend:

• Mounting the dish on a railing

• Installing the dish on aluminum or vinyl siding (these are unlikely to be structurally sound)

• Keep grounding requirements in mind.

DISH ASSEMBLY

Step 1: To avoid losing any hardware components,

select a clear area on the ground for dish

assembly.

Step 2: On the Universal Mount, insert the (2) 20 mm

Carriage Head Bolts (Mast Adjusting Bolts),

through the mast and the curved slot of the

mount (Figure A).

Step 3: Attach the dish to the Clamp Mount Assembly

using the (2) 91mm and (2) 56mm long

Carriage Head Bolts (Antenna Mounting Bolts-

Painted Head), (4) Skew Lock Clips, (4) Lock

washers and (4) Nuts (see Figure B). Before

tightening the (4) bolts, refer to Skew Setting

Chart on Page 8 & 9 for the correct skew setting

for your geographic location.

Note: For single feed systems, tighten and torque the 4

bolts now as further adjustment will not be required.

Step 4: Pre-route the RG6 Coaxial Cable through the

Feed Support Arm then attach the Feed

Support arm to the dish using the 60mm Screw

Bolt, 5/16 Flat Washer, Spacer and Nut, making

sure the Feed Support Arm and Spacer Sleeve

are positioned as shown in Figure C.

Important: Installation of the Spacer is mandatory to

maintain rigidity. Ensure you tighten the Feed Support

Arm securely.

FIG. A

FIG. B

FIG. C

Step 1: Determine the direction in which to point the dish. Refer

to the Satellite Alignment Chart on Page 8 & 9. Record

value below.

“Initial Setting” starting reference from the Locator Chart

Azimuth Elevation Skew

________ ________ Set during Az/El

Mount Attachment

to the Dish

Step 2: Use a compass to determine roughly where to point

your dish.

Step 3: Choose a dish installation location with a clear line of

sight to the satellite based on the settings you recorded

earlier. There should be no trees, buildings or other

obstructions between the dish and the satellite. Do you

have a clear line of sight to the satellite?

•If YES, go to Step 4 and continue with the installation.

•If NO, find another location.

NOTE: To ensure an accurate compass reading, stay away from

large metal objects. To double-check accuracy, take multiple read-

ings several feet apart.

Step 4: At the dish install site, hold a compass level and still in

the palm of your hand. When the needle stops rotating

(dark half of the needle always points north), slowly

rotate the body of the compass so that the "N" marking

is aligned with the dark half of the needle. Locate the

tick mark on the compass edge corresponding to the

SAT azimuth number you wrote down earlier. This is the

direction in which to point your dish to receive signals.

TIP: Use a stick or other distant object to mark the “initial setting”

compass azimuth direction for SAT. Figure D).

Step 5: Estimate the satellite elevation (angle) settings you

recorded earlier, using a protractor. Check any obstruc-

tions at that elevation. If there are obstructions, then

select an alternate location for the dish.

IMPORTANT: When evaluating the install location, make sure

there are no trees, branches or objects visually obstructing the

dish and the general direction of the satellite. Also, keep in

mind that trees grow up and outward and may eventually block

the signal.

LOCATING THE SATELLITE

Azimuth

Elevation

FIG. D

Step 1: Ensure mast is plumb before drilling any holes. Hold

the Universal Mount in place on the mounting area.

Use a carpenter’s level to plumb the antenna mast’s

straight section. If the bubble levels (horizontal and

vertical) are not centered, rotate the mast (in the

curved slot) until it is plumb. Then lock it in place by

securely tightening the Mast Adjusting Bolts (see

Figure E).

IMPORTANT: Initially finding the correct satellite signal and

turning to the satellite will be more difficult if the mast is not

plumb. Ensure the mast is plumb.

Step 2: Drill holes in the structure on which you are mounting

the dish to match the holes in the base of the

Universal Mount.

Step 3: Secure the Universal Mount with appropriate surface

screws (not included). Check the mount for move-

ment. An improperly secured mount will reduce signal

reception and reliability at a later date.

Step 4: Slide the Dish/Clamp Mount Assembly onto the mast

by loosening the (2) Azimuth Clamp Bolts (see Figure

B) and the Elevation Pivot Bolt just enough to slide the

assembly until it makes contact with the Elevation

Pivot Bolt (see Figure F). Tighten the Elevation Pivot

Bolt just enough to hold it in place on the mast.

Step 5: POLARIZATION SETTING:Polarization of the feed is

not needed. It should be set to zero from the factory.

Step 6: ELEVATION SETTING: Loosen the (2) Elevation

Locking Bolts sufficiently about 1 to 2-turns from tight

on either side of the Clamp Mount Assembly. Then

using the Fine Tuning Elevation Adjustment Bolt care-

fully adjust the dish elevation to the setting you record-

ed earlier. Tighten the (2) Elevation Locking Bolts and

re-check the dish elevation setting to ensure the set-

ting has not changed. (See Figure F).

Step 7: INITIAL AZIMUTH SETTING. Using your compass,

point the Feed Support Arm in the direction correspond-

ing to the azimuth setting (see Figure G). Draw a vertical

mark overlapping the Clamp Mount Assembly and the

mast. This mark will provide you with the approximate

starting reference point when you’re ready to find and

tune to the satellite.

ATTACHING THE DISH

FIG. E

FIG. F

FIG. G

GROUNDING

Step 8: Connect one end of the RG6 coaxial cable to the LNB feedhorn assembly. To install Weather Cap, gently bend the cable

to carefully fit the Weather Cap onto the LNB. Insert cap only about 1/2 inch. Avoid sharp bends to the cable.

Step 9: Before beginning the Tuning to the Satellite process, now is a good opportunity to sufficiently loosen the (2) azimuth

clamp bolts, the elevation pivot bolt and the (2) Elevation Locking Bolts and allow the dish to naturally settle on the

dish pole. While moving the dish back and forth on the pole, slowly and evenly torque all Azimuth Clamp Bolts,

Elevation Pivot Bolt and Elevation Locking Bolts. Eventually tighten all bolts to allow the Azimuth and Elevation Clamp

assembly to be firmly secured on the pole. The dish should not be able to be rotated on the pole with both hands.This

step will be helpful in minimizing dish movement after tuning.

Step 10: FINE TUNING: Follow instructions in the Satellite Receiver Manual or use signal strength measuring device for final

adjustments to obtain maximum antenna performance. Rotate antenna and Az-El cap, pointing to the correct compass

reading that was recorded earlier. Slowlysweep the antenna in azimuth until a signal is found. If desired signal is not

found, increase or decrease the elevation setting (in 1/2˚ increments) and repeat the azimuth sweep. Alternate between

elevation and azimuth fine tuning to reach maximum signal strength until no further improvement is detected. Tighten

and torque all hardware, referring to the Torque Chart on Page 1.

The National Electric Code

is published by the

National

Fire Protection Association

1 Batterymarch Park

Quincy, Massachusetts, 02269-9959

and may be available at

your local public library

General Grounding Requirements for Outdoor Unit

Refer to National Electric and Local Codes for complete requirements.

LATITUDE

TELSTAR 5 SATELLITE 97˚ W IN 25˚ INCREMENTS

LAT. LONG. AZ EL SKEW

25 80.0 221 55 122

25 82.5 215 57 118

25 85.0 209 58 114

25 87.5 202 59 109

25 90.0 195 60 105

25 92.5 188 60 100

25 95.0 180 61 94

25 97.5 173 61 89

25 100.0 166 61 84

27.5 75.0 230 50 126

27.5 77.5 225 51 123

27.5 80.0 219 53 119

27.5 82.5 213 54 116

27.5 85.0 207 55 112

27.5 87.5 200 56 108

27.5 90.0 194 57 103

27.5 92.5 187 58 99

27.5 95.0 180 58 94

27.5 97.5 173 58 89

27.5 100.0 167 58 84

27.5 102.5 160 57 80

27.5 105.0 154 57 75

30 75.0 229 48 123

30 77.5 223 49 120

30 80.0 218 50 117

30 82.5 212 52 113

30 85.0 206 53 110

30 87.5 199 54 106

30 90.0 193 54 102

30 92.5 186 55 98

30 95.0 180 55 93

30 97.5 173 55 89

30 100.0 167 55 85

30 102.5 161 55 81

30 105.0 155 54 76

30 107.5 150 53 72

30 110.0 144 52 69

30 112.5 139 51 65

30 115.0 135 50 62

32.5 75.0 227 45 120

32.5 77.5 222 47 118

32.5 80.0 216 48 115

32.5 82.5 211 49 111

32.5 85.0 205 50 108

32.5 87.5 199 51 105

32.5 90.0 192 51 101

32.5 92.5 186 52 97

32.5 95.0 180 52 93

32.5 97.5 173 52 89

32.5 100.0 167 52 85

32.5 102.5 162 52 81

32.5 105.0 156 51 78

32.5 107.5 151 51 74

32.5 110.0 146 50 71

32.5 112.5 141 49 67

32.5 115.0 136 47 64

32.5 117.5 132 46 61

32.5 120.0 128 45 58

LAT. LONG. AZ EL SKEW

35 75.0 226 43 118

35 77.5 221 44 115

35 80.0 215 45 113

35 82.5 210 46 110

35 85.0 204 47 107

35 87.5 198 48 103

35 90.0 192 49 100

35 92.5 186 49 96

35 95.0 180 49 93

35 97.5 174 49 89

35 100.0 168 49 86

35 102.5 162 49 82

35 105.0 157 48 79

35 107.5 151 48 75

35 110.0 146 47 72

35 112.5 142 46 69

35 115.0 137 45 66

35 117.5 133 44 63

35 120.0 129 43 61

37.5 75.0 225 41 116

37.5 77.5 220 42 114

37.5 80.0 215 43 111

37.5 82.5 209 44 108

37.5 85.0 203 45 105

37.5 87.5 197 45 102

37.5 90.0 191 46 99

37.5 92.5 185 46 96

37.5 95.0 179 46 93

37.5 97.5 174 47 89

37.5 100.0 168 46 86

37.5 102.5 162 46 83

37.5 105.0 157 46 80

37.5 107.5 152 45 77

37.5 110.0 147 44 74

37.5 112.5 143 44 71

37.5 115.0 138 43 68

37.5 117.5 134 41 65

37.5 120.0 130 40 63

37.5 122.5 127 39 61

37.5 125.0 123 38 59

40 70.0 234 36 118

40 72.5 229 37 116

40 75.0 225 38 114

40 77.5 220 40 112

40 80.0 214 40 109

40 82.5 209 41 107

40 85.0 203 42 104

40 87.5 197 43 101

40 90.0 191 43 98

40 92.5 185 43 95

40 95.0 179 44 92

40 97.5 174 44 89

40 100.0 168 44 86

40 102.5 163 43 83

40 105.0 157 43 81

40 107.5 152 42 78

40 110.0 148 42 75

40 112.5 143 41 72

40 115.0 139 40 70

40 117.5 135 39 67

40 120.0 131 38 65

40 122.5 127 37 63

40 125.0 124 35 61

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