Dc Voltage Requirement; Warnings About Shorting Dc - Pico Digital XDS-PRO SERIES User Manual

XDS-PRO Satellite Receivers

2.4.2 DC Voltage Requirement

You may need to have the receiver supply DC voltage to either an LNB or a block down-converter (used
after an LNA). For the PRO4Q, PRO1R, and PRO4R (or PRO1Q model equipped with an optional front
control panel), the user must change the receiver's LNB ON/OFF settings using the front panel display.
For directions on how to use the front panel display, see Section 3.2 of this manual. For the Model
PRO1Q not equipped with optional control front panel, the user must change the receivers LNB ON/OFF
settings using the Receiver Web Interface, described in Section 4, or remote Monitor and Control
Interface, described in Section 6.
In installations where another receiver receives the L-Band (950-2150MHz) signal directly from the
satellite dish, then you may use a splitter with DC blocking circuitry to get the signal to the XDS-PRO
receiver. In this case, set the LNB Voltage setting to OFF.

2.4.3 Warnings about Shorting DC

If the DC Voltage is shorted during installation, transient voltage may damage the Demodulator. In the
case of a short, over-current protection circuitry will shut down the LNB supply. When this occurs, it is
important to disconnect the receiver as soon as possible. If there is a "dead" short in the cable
connecting the receiver to the satellite dish, the unit will not function properly. Remove the power cord
from the rear of the unit and then check the cable connecting the receiver to the satellite dish to make
sure it has not been damaged and is installed correctly. Finally, reinstall the power cord and proceed with
unit setup.
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If the LNB Voltage mode is enabled, be careful not to short the
signal. The voltage on this line is approximately +18V DC.
Caution!
R830001-2001, REV. C
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