EchoStar 4 Manuel d'utilisateur télécharger pdf (Page 13)

Using the TV/SAT Switch to Switch Between Satellites

- Optional

If you are unable to switch between satellites using the IRD

remote control, you can use the optional TV/SAT Switch (see

Figure 2-3) to easily select between Satellite A and Satellite B.

TV/SAT Switch Controls and Indicators

The Select button is used for all operator controls. The TV/SAT

Switch also has three LED indicators that show its current status.

Table 2-1 explains the function of each indicator.

Indicator Status Meaning

Sat A Blinking green Wait – Searching for satellite

Solid green Tracking Satellite A

Error Blinking red System problem – Refer to

Section 3, “Troubleshooting,”

to find the possible cause

Sat B Blinking green Wait – Searching for satellite

Solid green Tracking Satellite B

Connecting the TV/SAT Switch

To use the TV/SAT Switch, you must first connect it to the

TracVision system.

1. Connect the TV/SAT Switch’s data cable to the

maintenance port on the switchplate (see

Figure 2-4).

2. The Sat A and Sat B indicators blink while the

system initializes.

3. Either the Sat A or Sat B indicator will turn solid

green, denoting which satellite is currently being

tracked.

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TracVision 4 User’s Guide

Sat A

Error

Other Indicators:

• Both blinking

green: initializing

• Error light

blinking red:

system problem

Changing Satellites:

1. Push Select button

2. Wait while Sat A or

B blinks green

3. Ready when Sat A

or Sat B stays

solid green

Sat B

Select

Figure 2-3

TV/SAT Switch

Maintenance Port

(DB9 Connector)

Figure 2-4

Switchplate Maintenance Port

Table 2-1

TV/SAT Switch LED Indicators

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 23 24

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EchoStar 4 Manuel d'utilisateur Page 13

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