Interpreting Front Panel Leds; Figure 3.5: Led Indicators - Wegener UNITY 4600 User Manual

On the Home screen, the
and a half-second OFF) to signal the user that the right arrow button is active for user con-
trol. Pressing either the left or right arrow buttons will cause the U4600 to display the other
top-level screens in succession. If there are current alarm and warning indications, the text
"See Alarms" or "See Warnings" will appear before the arrow and pressing the right arrow
will display the applicable alarm or warning message(s).
Interpreting
Table 3.2: Front-Panel LED Indicator Descriptions provides the meaning of the color and
Front Panel state of each LED in Figure 3.5 below.
LEDs
Indicator Label Color and State*
CARRIER
GREEN constant
Off
TRANSPORT
GREEN constant
Off
GREEN constant
COMPEL
GREEN flash
GREEN flutter
Off Otherwise.
SERVICES
GREEN constant
Off
WARNING
YELLOW constant
Off
www.wegener.com
(right-pointing arrow) field will quickly flash (a half-second ON

Figure 3.5: LED Indicators.

Table 3.2: Front-Panel LED Indicator Descriptions
Unit has demod and FEC lock on the RF carrier
Unit does not have demod and FEC lock on the RF carrier
Unit recognizes a valid transport stream
Unit does not recognize a valid transport stream
COMPEL control stream received within last two minutes
(including keep-alives) while locked continuously on the current
transport stream for >2 minutes
Unit has had a verified transport stream for >2 minutes and
COMPEL is required but no valid COMPEL
COMPEL has been addressed to unit within last 5 seconds
(excluding keep-alives)
Note that this LED must be OFF when there is no valid Transport
stream OR COMPEL
Unit is processing services for delivery
Unit is not processing services
One or more warning indications exist, usually the failure of a non-
essential item, or to warn of an impending failure of an essential
item
No warning conditions
Meaning
29
U 4600 U ' M
NITY SER S ANUAL
800032-01 Rev.F