User Manual

Central Terminal Level Control Unit
Operators Manual
DLP 001
605-0000-428
Issue 1.2 Date 5/11/98
Page 3 of 4
SH :1 0--
RF: 8 0--
UL: Y + 0.8dBm 0--
DL: Y -98.0dBm 0--
Y = Link Acquired N = No link
RF Channel
TX signal Level
Shelf
Uplink
Downlink
RX signal Level
Wait for both uplink and downlink signal acquisition. If a downlink is
acquired but no uplink is established go to the Trim Menu
(Status/Configuration selection menu and select configure Menu and
select CT RX Trim Menu)and adjust the CT RX level to establish uplink.
Shelf: 1 0--
0--
Level: + 0--
Current: ## 1-R
é and ↵ to increase value (+)
(Reduce CT RX power Level)
ê and ↵ to decrease value (-)
(increase CT RX power Level)
Value between 0 and 255
(typical =90)
10. From the LCU Status Selection Menu select Loop.
Loop SH:1 1-R
Setpt: -98.0dBm 0--
Actual:No Data 0--
State:Acquiring 0--
Set Point
Actual Level
or No Data if
acquiring
State:
Acquiring
Trim +/Trim-
Converged or
Idle (only in poll mode)
11. Wait for the link to converge. When the CT RX level loop to converge.
When it converges, ‘Converged’ state will be displayed. If the shelf has
not converged within 3 minutes after link acquisition check the shelf
configuration.