Sea Tel 9797B-76, Installation And Operation Manual

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Setup 9797B-76 C/Ku-Band TXRX
5-6
5.7. Fixed Frequency Low Noise Block Converter Operation/Selection:
When you have your C-Band RF equipment installed, or Ku-Band fixed frequency LNB, you must set the “TrackDisp”
parameter to 0000. Band selection controls the
local logic output state of SW1 output terminal on the Terminal
Mounting Strip PCB AND remote 22KHz tone, 13/18 VDC LNB power and relays or switches on the antenna pedestal.
The factory default selections for your 9797B is when you have fixed frequency LNBs installed is:
Setting Displayed band
selection ADE Band Select Parameters
(Tone, Voltage & Aux Status) TMS SW1
Status
0000 C
X
KuLo
KuHi Tone OFF, Volt 13, Aux 0
Tone OFF, Volt 18, Aux 0
Tone OFF, Volt 13, Aux 1
Tone OFF, Volt 18, Aux 1 Open
Short
Open
Short
5.8. Ku Quad Band Low Noise Block Converter Operation/Selection:
Voltage and Tone are used to select the frequency band of a quad band LNB (optional), if installed on your system. DC
voltage is supplied by the pedestal modem and Tone is supplied by the tone generator. The desired Band of the LNB is
selected by the Tracking Band setting in the ACU. Your service provider will determine which frequency band you will
use for normal operation. The chart below may be used to determine what tracking band setting to utilize and
only
applies when the “TrackDisp” parameter is set to
0170
(refer to Quad Band LNB specs for more specific information):
Tracking Band Setting Tone, LNB Voltage & Switch state Receive IF Polarity
Band1 Tone OFF, Volt 13, Aux 0 Cross-Pol Band 1
Band2 Tone ON, Volt 13, Aux 0 Cross-Pol Band 2
Band3 Tone OFF, Volt 18, Aux 0 Cross-Pol Band 3
Band4 Tone ON, Volt 18, Aux 0 Cross-Pol Band 4