C-COM Satellite iNetVu 7710 User Manual page 88

C-COM Satellite Systems Inc.
88
LNB Power (V)
In cases where the LNB requires more power than the modem can provide, or if the user would like to
power the LNB from the controller, or if the user would like to find satellite without the use of a modem,
this option allows for power from the controller to be supplied to the LNB through the RX IN cable from
.
the controller to the platform itself
DIS –
will disable this option, and provide power to the LNB straight from the modem. In this case, a
splitter must be used for the RF connection as depicted in the figure below.
Fig. 75: RF Cable Setup for DIS selection
7710 Controller Power Output Range Option Capabilities: 13, 14, 18, 19 V @ 500mA (max)
If the user chooses to power the LNB from the controller, he/she should verify the power/voltage range
requirements of the LNB in use, and configure the iNetVu ® 7710 Controller according to those
power/voltage requirements.
LNB_LO
This drop down menu allows the user to change the LNB frequency settings to relock back onto satellite
signal. The Normal operation setting is 10.75 and the controller default setting will reflect this; users
should use the default setting at all times with carriers from table list or a carrier can be manually entered.
If required to change LNB LO, than DVB frequency will also change as per the following equation: DVB
tuner==IF frequency + (10.75-LO), where LO = the selected LO from the menu, IF Frequency is the
selected/entered Frequency from menu (or Satparam database table).
9.75
10.00
10.60
10.75
11.30
LNB 22 KHz Tone
The 22 KHz tone can be disabled or enabled for supporting modems that allow for acquisition with LNBs
that switch frequency ranges by adjusting the 22 KHz tone. This option is disabled by default.
iNetVu™ 7710 Controller User Manual